Diesel Engine Crusher

The Diesel Engine Crusher is mainly used in some place that don't have enough electricity or without electricity. The Diesel Engine Crusher can do the middle or fine crushing for every kind of rocks and stones.

  The Diesel  Engine Crusher is in compact structure, easy usage and simple operation. We also can do portable (mobile) ones as clients' request.

Features Of Diesel Engine Crusher in my company:

Move easily.

It can go to the crushing place where is difficult to go. It not only can drive on the smooth road, but also on the bumpy road.

Compact structure and simple operation. Save the cost. Crush the materials on site, reduce the transportation cost.

Wide application.

the crushing plant can work as independent unit; work with other unit to do primary and secondary crushing; work with two other units to do primary, secondary, and fine crushing; working as a production line with the screening equipment (firstly screening then crushing, or firstly crushing then screening.)

Good performance and convenient maintenance. he crushers, vibrating feeders, and vibrating screens are from Shanghai Joyal Heavy Industry, so the quality is reliable and stable. Material is delivered by belt conveyors, which is simple in operation, easy maintenance, and low investment.

Flexible configuration.

By the way, if you buy a large amount of equipments, we can give you a certain discount that other companies cannot offer. And we can assure the good quality of our products and offer best after-sale service.

http://www.smecrusher.com/solution/diesel-engine-crusher/

Jaw crusher for iron ore is your best choice

The PE Jaw Crusher is widely used in mining, building materials, chemical industry, metallurgy and so on. The Jaw Crusher is suitable for primary and secondary crushing all kinds of minerals and rocks with compressive strength less than 320 MPa.

This series of jaw crusher can reach the crushing ratio of 4-6 and the shape of final product is even. Jaw crushers are widely applied to crush high hardness, mid hardness and soft rocks and ores such as slags, construction materials, marble, etc. The pressure resistance strength is under 200Mpa, that is, suitable for primary crush.Jaw Crusher can be used in mining, metallurgical industry, construction, road and railway building, conversancy, chemistry, etc.

Working Principle Of Jaw Crusher:

The strip and strip pulley of Jaw Crusher are driven by a motor, and the movable jaw moves up and down via eccentric shaft. The angle between fixed jaw and movable jaw becomes smaller when the movable jaw runs down, then the materials are crushed into pieces. The Jaw Crusher will become bigger when the movable jaw runs up. The movable jaw board leaves the fixed jaw board under the action of pole and spring , then the end products come out from the crushing cavity.

Features Of Jaw Crusher:

1. Simple structure, easy maintenance;
2. High crushing ratio, even output granularity;
3. High reliability, low investment;
4. Low noise, less dust.

Jaw Crusher Operating principle:

This jaw crusher uses motor as its power. Through the motor's wheels, the eccentric shaft is driven by the triangle belt and slot wheel to make the movable jaw plate move by a regulated track. Therefore, the materials in the crushing cavity composed of fixed jaw plate, movable jaw plate and side-lee board can be crushed and discharged through the discharging opening.

SBM is a professional manufacturer of iron ore crusher and iron ore crushing plant. The commonest iron ore crusher is SBM JCE jaw crusher and hydraulic cone crusher. In addition, SBM supply stationary crushers, such as spring cone crusher, impact crusher, PE jaw crusher, JCE jaw crusher, hammer crusher, and mobile crusher. SBM crusher is you best choice for crushing iron ore.

sandstone crusher – stone crusher machine for slag

Slag Crusher is the key component in coal gasification process. It is installed between the bottom of the chilling chamber and the lockhopper. It is used to crush slag and came off fire-proof bricks, the purpose is to avoid the accumulation of slag which will cause the whole system to stop.
The shell of the slag crusher is a pressure vessel, its top part connects with the bottom of the chilling chamber of the gasification furnace; its bottom part connects with the lockhopper. The moving gear is mounted eccentricly on the barrel, marble stone crusher and the dead gear and the moving gear make relative movement. Slag is continuously crushed. There are guiding baffles above the dead gear and the moving gear, this measure ensures that all the slag pass through the crushing system and no accumulation of uncrushed slag above the moving gear.

Slag Crusher
With more and more widely Grinding mill, slag production line also will be more and more. Slag production line established to reduce a large part of the labor force, operating efficiency is greatly improved.
Working process of the Slag production line:
The production process of the slag production line can be included as : (storage ) ->vibrating feeder ->jaw crusher ->impact crusher ->vibrating screen ->final products .And all of the equipments are connected by the belt conveyor and chutes . The production process of the sand-making production line can be included as : (storage ) ->vibrating feeder ->jaw stone crusher ->grinding mill-> vibrating screen ->final products .And all of the equipments are connected by the belt conveyor and chutes .
Steel Slag Crushing Plant
The blend of steel slag and GGBS in a ratio of one to two used as cement admixture.And all the preformance of cement could meet the requirements of GB175-2007 if the content of this mixture were 30%,50% and 80%respectively. This phenomena could be explained by following reasons:the continuity of the particle size distribution was improved, the rate of hydration of steel slag was accelerated by the addition of actibator, and consequently to accelerate the hydration rate of slag, so that the activity of the admixture was increases,Applying this kind of mixture as Portland cement admixture should be recommended.

Now industry is so advanced, can not do without the exploitation and utilization of mineral resources, but with the exploitation of mineral resources, increasing resources, mineral resources utilization can not be hundred percent complete, the slag is a waste. The slag can be recycled or reused. Slag can be used to make the cement raw materials, or sand material.

There are several typical Steel Slag stone crusher machine in the Steel slag crushing plant that are jaw crusher, cone crusher and impact crusher. These crushers are all classic Steel crushing equipment.

gravel crusher

The character of Gravel:

Gravel is rock that is of a specific particle size range. Specifically, it is any loose rock that is larger than 2 mm (0.079 in) in its smallest dimension (about 1/12 of an inch) and no more than 64 mm (2.5 in). The next smaller size class in geology is sand, which is >0.0625 to 2 mm (0.0025 to 0.0787 in) in size. The next larger size is cobble, which is >64 to 256 mm (2.5 to 10.1 in). Gravel can be sub-categorized into granule (>2 to 4 mm/0.079 to 0.16 in) and pebble (>4 to 64 mm/0.16 to 2.5 in). One cubic yard of gravel typically weighs about 3000 pounds (or a cubic meter is about 1,800 kilograms).

Gravel is an important commercial product, with a number of applications. Many roadways are surfaced with gravel, especially in rural areas where there is little traffic. Globally, far more roads are surfaced with gravel than with concrete or tarmac; Russia alone has over 400,000 km (250,000 mi) of gravel-surfaced roads. Both sand and small gravel are also important for the manufacture of concrete.

Gravel crushing plant:

Therefore gravel quarry and gravel mining is very important. You need to be careful when choosing gravel crusher. There are many types for gravel mining. Jaw crusher can be used as primary gravel crusher equipment. You can change its finished size according to your requirements just by adjusting the devices. Impact crusher is often used as secondary gravel crusher equipment. The spotlight of impact crusher for gravel crushing is that the finished size is of uniform since its finished power is in good, cubic shape and without tensility and cranny. The final product of the impact crusher is greatly used in highway and railway surface as well as water and electricity industry. Impact crusher is the ideal choice for gravel crushing and screening.

SBM is professional gravel mining equipment manufacturer and exporter. We will send professional engineers for your gravel crusher installation and maintenance. If you are interested in our gravel crusher equipment, you can contact us directly by phone or email and you can also ask it through our 24 hours online services.

sandstone crusher concrete crusher construction waste recycling sand making machine coal mining equipment stone crushing plant gold crusher iron ore crusher vibrating feeder screw conveyor ball mill coal mill crusher machine ball mill dolomite crusher mesin pemecah batu crushing equipment conveyor belt vibrating feeder rock crusher marble crusher

quartz crusher

Quartzite are snowy white, less often pink or gray. Quartzite stone generally has blocky structure, which contains small amounts of feldspar, mica stone, amphibole, pyroxene, etc. They yield a thin and very barren soil and people usually find them in hills and mountains and can be used as building materials or railway ballast stone.
Quartz crusher is the major mining crusher equipment to crush quartzite stone, and SBM is the major mining crushing machine manufacturer in China. Usually, quartz crusher can be called as quartz grinder.
Quartz crusher is suitable for crushing materials with particle size more than 3mm. SBM quartz crusher also can used as slag crusher, lime stone crusher, granite crusher, iron ore crusher, marble crusher and so on.
SBM quartz crusher contains PE jaw crusher, JC jaw crusher, PF impact crusher, PFW impact crusher, cone crusher, VSI crusher and mobile crusher. The quartz crushing units can be seen in the vicinity of almost all major cities and towns.
Quartz sand production line:
The quartz sand production line mainly includes vibration feeder, quartz crusher (jaw crusher, cone crusher etc.), vibrating screen, belt conveyer and other crusher equipment. According to different requirements of different customers, various types of mining equipment can be provided.
The typical production process of quartz sand production line roughly is: hopper -> vibrating feeder -> jaw crusher(primary crusher equipment)-> impact crusher(secondary crusher equipment) -> vibrating screen -> conveyor-> finished stone. Chute or belt conveyor is needed between the mining machinery.
About SBM quartz crusher and quartz grinder:
We are considered as one of the prime Quartz Crusher Plant Manufacturers in China. Quartz Crusher is a machine that is used in crushing of hard Quartz pieces in fine particle and powder form. The Quartz Crusher Machine that we manufacture is laden with new technologies that help in enhancing its efficiency. It is highly durable and has proved its value by proficiently working at the client’s end. The Quartz Crusher machine that we provide finds application in various mineral processing and other industries. The timely delivery of the quartz cutter at highly competitive prices pleases our customers a lot.
Some news about quartz crusher using in Magenta Gold Mine:
Mining of the Magenta Reef commenced as an open cut operation in 1860. Earth, rock and quartz were excavated and carried out by horse and dray. As the open cut was extended, it was also widened.
Follow the gravel track around the northern end of the open cut to the fenced open stope. This enlarged tunnel or drive was worked at a depth of 30 m. The gold bearing ore was removed by excavating the roof of the drive and mining upwards.
Walk along the track to the site of the mine's quartz crusher or stamping battery. You might see part of the concrete foundations.
About 50 metres further south is the site of Place’s quartz crusher, the timber foundations can still be seen. This crusher operated independently of the Magenta Mine.

sandstone crusher equipment

Sandstone

Sandstone (sometimes known as arenite) is a sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any color, but the most common colors are tan, brown, yellow, red, gray and pink, white. Since sandstone beds often form highly visible cliffs and other topographic features, certain colors of sandstone have been strongly identified with certain regions.
Some sandstones are resistant to weathering, yet are easy to work. This makes sandstone a common building and paving material. However, some that have been used in the past, such as the Collyhurst sandstone used in North West England, have been found less resistant, necessitating repair and replacement in older buildings. Because of the hardness of the individual grains, uniformity of grain size and friability of their structure, some types of sandstone are excellent materials from which to make grindstones, for sharpening blades and other implements. Non-friable sandstone can be used to make grindstones for grinding grain, e.g., gritstone.
Rock formations that are primarily composed of sandstone usually allow percolation of water and other fluids and are porous enough to store large quantities, making them valuable aquifers and petroleum reservoirs. Fine-grained aquifers, such as sandstones, are more apt to filter out pollutants from the surface than are rocks with cracks and crevices, such as limestone or other rocks fractured by seismic activity.

sandstone type

Sandstones fall into several major groups based on their mineralogy and texture. Below is a partial list of common sandstone types.
quartz arenites are made up almost entirely of quartz grains, usually well sorted and rounded. These pure quartz sands result from extensive weathering that occurred before and during transport and removed everything but quartz, the most stable mineral. They are common in beach environments.
arkoses are more than 25 percent feldspar.[2] The grains tend to be poorly rounded and less well sorted than those of pure quartz sandstones. These feldspar-rich sandstones come from rapidly eroding granitic and metamorphic terrains where chemical weathering is subordinate to physical weathering.
lithic sandstones contain many lithic fragments derived from fine-grained rocks, mostly shales, volcanic rocks, and fine-grained metamorphic rocks.
graywacke is a heterogeneous mixture of lithic fragments and angular grains of quartz and feldspar, and/or grains surrounded by a fine-grained clay matrix. Much of this matrix is formed by relatively soft fragments, such as shale and some volcanic rocks, that are chemically altered and physically compacted after deep burial of the sandstone formation.
Eolianite is a term used for a rock which is composed of sand grains that show signs of significant transportation by wind. These have usually been deposited in desert environments. They are commonly extremely well sorted and rich in quartz.
Oolite is more a limestone than a sandstone, but is made of sand-sized carbonate ooids, and is common in saline beaches with gentle wave action.
Sandstone composition is (generally) based on the make up of the framework, or sand-sized grains in the sandstone. This is typically done by point-counting a thin section of the sandstone using a method like the Gazzi-Dickinson Method. The composition of a sandstone can have important information regarding the genesis of the sediment when used with QFL diagrams.

Sandstone Crusher

In the construction and quarry, the sandstone is getting more and more widely used. The crushed stone is used mostly as aggregate for road construction and maintenance. It is also used for making cement and lime and other chemical applications, and in agriculture. Our company is the major sandstone crusher manufacturer in China, we have many types crusher machines for your reference, like cone sandstone crusher series plant, impact crusher series plant, jaw sandstone crusher series plant, or our new product portable series sandstone crusher plant.
The portable sandstone crusher has excellent performances, the design idea is based on the client’s requirements, which clears faults of the crushing place, surroundings and the complex basic configurations. It is really supply simpler, high efficient and lower cost machines for clients.

quartz crusher for gold mining

Primary gold typically occurs in quartz veins. The extraction of gold ore from these hard quartz veins was historically referred to as quartz reef mining.
A Prussian engineer, Jacob Brache was the first to think that quartz reefs might have even more gold than alluvial fields.
The new mining companies had to sink very deep shafts to get quartz from the reefs deep underground. Horizontal tunnels called drives were dug out from the shaft at different levels to find the gold-bearing rock.
All rock dug out had to be hoisted to the surface. So did lots of water and even the workers at the end of the day. Big engines were installed to hoist lifts and buckets up the shafts.
On the surface above the shaft stands a building known as the poppet head or pit head. The poppet head contained a wheel called a gin wheel which lifted buckets of rock up to a raised platform called a Brace. Wheeled buckets then carried the rock along elevated tracks to waste dumps or processing works. The steel cable that hoisted the bucket passed over the gin wheel.

Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO₂.

There are many different varieties of quartz, several of which are semi-precious gemstones. Especially in Europe and the Middle East, varieties of quartz have been since antiquity the most commonly used minerals in the making of jewelry and hardstone carvings.

The gold was brought to the surface as small particles embedded in lumps of quartz. The quartz was then crushed into a fine dust by stamping batteries in a stamping mill. A stamping battery contained a row of stampers. On the bottom of each stamper was a heavy piece of steel. Each stamper was connected to the cam shaft which was turned by a water wheel. The steel shoes went up and down between wooden guides and pounded the quartz which had been fed into steel boxes underneath the stampers. Ideally the stamping batteries would work 24 hours a day.
After crushing, the quartz dust was mixed with water to make sloppy mud which then ran down sloping tables, called concentrating tables. On top of these tables were copper sheets coated with mercury, which attracts gold. The gold particles stuck to the mercury, and could be collected from there.

Crushing and grinding process is essential process in quartz sand, glass and ceramics production line. crushers

In crushing process, we use jaw crusher, impact crusher, cone crusher, vsi crusher and mobile crusher as quartz stone crusher machine. These crushers and belt conveyor, vibrating screen, vibrating feeder form a complete quartz crushing plant. Of course, glass crusher and ceramics crusher have differences. Natural Marbles are crushed into smaller ones in crushing process.

Crushed quartzs are grinded into powder in grinding process using quartz grinding mill. Ball mill, vertical mill,ultrafine mill is usually used in this process. These quartz grinding machines can form a complete grinding process. The finished size can upto 2500 mesh.

quartz crusher for gold mining

Primary gold typically occurs in quartz veins. The extraction of gold ore from these hard quartz veins was historically referred to as quartz reef mining.
A Prussian engineer, Jacob Brache was the first to think that quartz reefs might have even more gold than alluvial fields.
The new mining companies had to sink very deep shafts to get quartz from the reefs deep underground. Horizontal tunnels called drives were dug out from the shaft at different levels to find the gold-bearing rock.
All rock dug out had to be hoisted to the surface. So did lots of water and even the workers at the end of the day. Big engines were installed to hoist lifts and buckets up the shafts.
On the surface above the shaft stands a building known as the poppet head or pit head. The poppet head contained a wheel called a gin wheel which lifted buckets of rock up to a raised platform called a Brace. Wheeled buckets then carried the rock along elevated tracks to waste dumps or processing works. The steel cable that hoisted the bucket passed over the gin wheel.

Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO₂.

There are many different varieties of quartz, several of which are semi-precious gemstones. Especially in Europe and the Middle East, varieties of quartz have been since antiquity the most commonly used minerals in the making of jewelry and hardstone carvings.

The gold was brought to the surface as small particles embedded in lumps of quartz. The quartz was then crushed into a fine dust by stamping batteries in a stamping mill. A stamping battery contained a row of stampers. On the bottom of each stamper was a heavy piece of steel. Each stamper was connected to the cam shaft which was turned by a water wheel. The steel shoes went up and down between wooden guides and pounded the quartz which had been fed into steel boxes underneath the stampers. Ideally the stamping batteries would work 24 hours a day.
After crushing, the quartz dust was mixed with water to make sloppy mud which then ran down sloping tables, called concentrating tables. On top of these tables were copper sheets coated with mercury, which attracts gold. The gold particles stuck to the mercury, and could be collected from there.

Crushing and grinding process is essential process in quartz sand, glass and ceramics production line. crushers

In crushing process, we use jaw crusher, impact crusher, cone crusher, vsi crusher and mobile crusher as quartz stone crusher machine. These crushers and belt conveyor, vibrating screen, vibrating feeder form a complete quartz crushing plant. Of course, glass crusher and ceramics crusher have differences. Natural Marbles are crushed into smaller ones in crushing process.

Crushed quartzs are grinded into powder in grinding process using quartz grinding mill. Ball mill, vertical mill,ultrafine mill is usually used in this process. These quartz grinding machines can form a complete grinding process. The finished size can upto 2500 mesh.

Cement Crusher Plant, Cement Crushing Equipment

Cement in powder form can be changed from plasticity paste to hard stone-like body and can become a total cemented granular materials through physical and chemical processes after being mixed with water. So cement is a good mineral binder. Cement can be not only hardened in the air, but also better hardened in the water in which it will maintain and develop strength. So cement is kind of cementitious material which will be of stronger hardness in water. Cement mil is used for cement grinding. Cement crusher is applied for cement crushing. In cement mining, you need to choose suitable cement grinding mill and cement crusher.

In cement production process, cement crusher is very important since most of the raw materials will have to be crushed before being used to process cement, such as limestone, clay, iron ore and coal, etc. Limestone is the largest amount of raw material during cement production. After limestone mining, limestone is generally of large size and high hardness. Therefore the limestone crushing is very important in the whole material crushing. Usually we choose jaw crusher for limestone crushing since jaw crusher is of easy principle, convenient maintainence and low cost. However, if the whole cement mining scale is of large size, we usually choose cone crusher or impact crusher to assit jaw crusher and to be secondary or tertiary cement crusher machine. Also cement conveyor is used to transport these materials to next procedure, such as vibrating cement screen to screen out required fineness. In some production sites, we use a whole mobile crusher to complete the whole cement crushing and screening production since the mobile crusher is equipped with jaw crusher, impact crusher or cone crusher, vibrating feeder,vibrating screen,etc.

Cement crusher is the important cement machine used in cement production line. General it is used in cement crushing plant. Big raw materials firstly are crushed by cement crusher, then appropriate raw materials dust enter into the cement mill for milling.

There are several types of cement crusher for choosing in cement grinding plant.

Limestone, coal, gypsum and clinker need to be crushed into right particle size for next grinding process in cement grinding plant.

Jaw crusher for cement plant: Jaw crusher is general used as primary cement crusher equipment in cement plant, its crushing ratio is 4-6, and crushing capacity is very satisfactory for big cement raw materials.

Cement impact crusher usually acted as medium cement crushing machine after coarse crushing which is capable of crushing mineral rocks with compressive strength up to 320 Mpa, and gives smooth running resulting power economy and higher efficiency. Except for crushing cement raw materials such as limestone, gypsum, bauxite, cement clinker, impact crusher (impactor) is widely used in hydroelectricity, highway, artificial rock, stone, sand, building material, etc.

Cement cone crusher is also widely used cement crusher in cement grinding plant, their structure is more perfect and the technology parameter is more advanced, so cemnet cone crushers have excellent performance in the aspects of manufacture, installation, use and maintenance etc.

Cement hammer crusher can crush medium-hard and crispy materials, such as limestone and coal with compression resistance less than 150MPa. It is mainly used in the cement plant, mineral, coal, electrical and chemical industries.

granite crusher and marble crusher

Granite Crusher is a common and widely occurring type of intrusive, felsic, igneous rock. Granite

dimension stone is used in buildings, bridges, paving, monuments and many other exterior

projects. Granite dimension stone is used in buildings, bridges, paving, monuments and many

other exterior projects. Granite is a prestige material, used in projects to produce

impressions of elegance and quality.

Uses of Granite:
1. Granite Countertops: One of the most familiar uses of granite in the United States is in

kitchen countertops.
2. Granite Building Stone: Granite blocks for construction can be rough on all sides or

finished on one or more sides.
3. Granite Paving Stone: Granite paving stones or “pavers” can make a colorful and

interesting way of paving a driveway or patio Marble Crusher.
4. Granite Memorial: Granite is the stone most often used as a grave marker in the United

States and many other countries.
5. Granite Backsplash: In addition to solid slab countertops, granite tiles can be used to

create a colorful and durable work station.
6. Granite Tile: Granite tiles are often used as flooring and wall panels to produce an

elegant, high-luster space.
7. Granite Facing Stone: In large construction projects granite can be used in two different

ways: 1) as a structural element, and 2) as decorative facing or veneer.
8. Granite Curbing: Granite is often used as a street curbing.
9. Granite Monument: Mount Rushmore, a granite monument in the Black Hills of South Dakota

is a tribute to George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln

that is carved directly into the mountain.
10. Granite Slabs: Projects begin with an idea and a rough piece of rock.

The granite will be entered the jaw crusher by the vibrating feeder, and then be entered the

vibrating screen by the belt conveyor to receive the screening. And after the crushing, the

particle will be entered the secondary or tertiary crushing equipment to receive the

screening and be transferred to the specific site by the belt conveyor. (instruction as

follows )

Raw materials of Granite vibrating feeder Jaw crusher impact crusher vibrating screen

belt conveyor Final products of Granite

New Zealand mine blast leaves 27 missing

Rescue workers are trying to contact 27 miners missing after an explosion at Pike River Coal Co’s coking mine on the west coast of New Zealand. mobile crusher
There hasn’t been any communication with the miners and it isn’t known if they are trapped or sheltering, Pike River Coal’s chief executive officer Peter Whittall said. Two miners emerged after the blast and indicated that three colleagues were on their way to the surface, police said in a statement.
Ventilation inside the mine may have been compromised by the explosion which took place about 4pm local time, police said. Minister of Energy and Resources Gerry Brownlee said he is travelling to the region and that a local mine rescue team had been activated.
There were no indications of “heightened risk” at the mine before today’s accident, according to Andrew Little, the national secretary of the Engineering, Printing & Manufacturing Union, which represents 71 of about 140 workers at the mine. vibrating screen 
“It’s a reasonably new mine and it’s only been in production for a year or so,” Little said. “They delayed production because they weren’t satisfied that the ventilation system was right so they’ve been pretty careful about that.”
Pike River, near Greymouth, is part-owned by India’s Gujarat NRE Coke Ltd and Saurashtra Fuels Pvt who also take part of its low-ash, low-phosphorus coking coal. The mine is forecast to produce 320,000-360,000t in the year ending June 30, the company said on October 19.
New Zealand’s last mining disaster occurred in 1967, when 19 people died in an explosion at the Strongman coal mine, also near Greymouth.
The company’s shares fell 14% to 61 Australian cents in Sydney before they were halted from trading. The stock fell 4.4% to 88 New Zealand cents at the Wellington close.
One person may have been killed in the blast, the New Zealand Herald said, citing a report on Newstalk ZB. Five miners have walked free from the mine, Sky Television News reported, without saying where it obtained the information.
Mining employs about 6,000 people in New Zealand, according to government website www.beehive.govt.nz. The industry earned about NZ$1.1 billion (US$853 million) in export receipts in 2009.

==Mining Equipment==

site: http://www.miningconstruction.org

stone crusher grinding mill Building Materials Recycling eagle crusher laboratory ball mill dolomite crusher mesin pemecah batu crushing equipment conveyor belt vibrating feeder rock crusher marble crusher gyratory crusher mesin pemecah batu aggregate crusher gravel crusher industrial crusher portable concrete plants small crusher underground mining equipment bottle crusher Aluminum ore crusher screw conveyor

Stockpile: Miners soften along with commodities

There were only a handful of gainers on London’s main board this week as both precious and base-metal prices were lower overall.

Over the past few days, the price of copper had recovered to about US$8,485/t on Friday morning from much lower levels earlier in the week thanks to some better-than-expected US economic data and the continued strike action at Collahuasi, the world’s fourth-biggest mine.

The price of gold has not fared any better, also losing some ground over the past seven days. It touched US$1,360/oz this morning, some way off the all-time high of US$1,424.60/oz on November 9.

UK Coal was the top gainer, adding nearly 6% this week. No corporate news was forthcoming to explain the gain and the even with the gain, the share price remains 46% lower since the start of the year.

Centamin Egypt Ltd, the Egyptian gold producer, was the only other gainer of note, adding 3.4%.

South African chrome and platinum group metal producers International Ferro Metals Ltd and Aquarius Platinum Ltd, fell the most this week, dropping by 10% and 11% respectively.

No surprise that Western Coal Corp was amongst the biggest risers on AIM. The company received a US$3.2 billion bid from Walter Energy Inc, to create one of the world’s largest coking-coal producers. The shares gained 38.5% in the week.

Last week’s top two gainers continued rising in the week, Red Rock Resources plc added another 26%. Last week, the company announced closure of a manganese deal in one of its largest investments, while also reporting gold production from Colombia. Regency Mines plc, Red Rock’s largest shareholder added 63%.

Bellzone Mining plc was a notable loser. The Guinean iron-ore developer shed 9.4% after a state of emergency was declared in the West African country due to violence after a contested political election result.

==Mining Equipment===

site: http://www.miningconstruction.org

gyratory crusher mesin pemecah batu aggregate crusher gravel crusher industrial crusher portable concrete plants small crusher underground mining equipment bottle crusher Aluminum ore crusher screw conveyor Building Materials Recycling eagle crusher laboratory ball mill dolomite crusher mesin pemecah batu crushing equipment conveyor belt vibrating feeder rock crusher marble crusher stone crusher grinding mill

Chinese miners rescued

Twenty-nine miners trapped in a flooded Chinese mine since Sunday morning have been rescued.

After the initial incident, the deputy mine manager led a team of seven rescuers to help their colleagues but were then trapped themselves. However, the rescue team and original group of miners have all been found alive, and are now receiving medical treatment.

Meanwhile, the 29 miners trapped after an explosion at the Pike River coal mine in New Zealand on November 19 remain unaccounted for.

Pike River said on November 21 a drill hole planned to intercept a roadway within the mine will provide rescuers with more information about gas levels in the mine’s air.

“It is expected the drilling will begin today (November 21) but it is not known how long it will take to reach its target,” the company said.

“If the ground the drill bit passes through is not stable, the hole will need to be encased to prevent its collapse. That would slow progress.”

A statement from New Zealand police said it had been informed the drilling operation had reached a depth of 142m, however the crews had encountered heavy rock formations and breakthrough was still “some hours away”.

A robot and remote, real-time gas sampling equipment are being readied to assist rescue efforts.

==Mining Equipment===

site: http://www.miningconstruction.org

gyratory crusher mesin pemecah batu aggregate crusher gravel crusher industrial crusher portable concrete plants small crusher underground mining equipment bottle crusher Aluminum ore crusher screw conveyor Building Materials Recycling eagle crusher laboratory ball mill dolomite crusher mesin pemecah batu crushing equipment conveyor belt vibrating feeder rock crusher marble crusher stone crusher grinding mill

Thailand’s PTTEP join forces in US$2.28 billion joint-venture

Thailand has made its first foray into Alberta’s oilsands through a US$2.28 billion joint venture with Norway’s Statoil, which has been developing a relatively small but controversial project in northern Alberta.
Statoil says PTT Exploration and Production will buy a 40 per cent stake in its Kai Kos Dehseh oilsands project, which is designed to produce about 10,000 barrels per day when the first phase moves into production early next year. The firm is awaiting regulatory approval to boost output to 40,000 barrels per day.
The global energy giant, which is partly owned by the Norwegian government, will hold onto the other 60 per cent of the project, remain the operator and be responsible for marketing its production.
"This transaction underlines the quality of our Canadian resources and demonstrates our ability to create value as an oilsands operator," Statoil?s chief executive officer, Helge Lund, said in a statement Monday.
Environmentalists and representatives from aboriginal groups in northeastern Alberta travelled to Norway last May to urge Statoil shareholders to pull the company out of the oilsands.
However, shareholders voted 98.6 per cent to reject a motion put forward by Greenpeace and the World Wildlife Fund demanding the company stop developing the project.
Statoil’s position is that it is using technology that will reduce the environmental impact from extracting the bitumen, the tarry substance that needs to be heavily processed into a lighter type of crude refineries can handle.
PTT and Statoil share the same environmental ambitions, said Statoil’s Canadian president, Lars Christian Bacher, in an interview.
"We view PTT E&P as a good match. Technology development has always been a part of Statoil’s DNA. I feel we are on the same page with PTT," he said.
PTT is the latest Asian player to make a move in the oilsands, the world’s largest crude reserves outside of Saudi Arabia. Chinese, Korean and Japanese investors have all snapped up stakes in various joint-ventures.
"It’s just another example showing that oilsands is viewed as a highly valued commodity by the international energy sector," Bacher said of the deal announced Monday.
The proposed transaction comes amid some confusion about the Canadian federal government’s policy towards foreign ownership of major natural resources since Industry Minister Tony Clement killed the US$38.6 billion takeover of PotashCorp (TSX:POT) by Anglo-Australian mining company BHP Billiton Ltd.
While the Kai Kos Dehseh oilsands project is nowhere near as valuable or unique as PotashCorp, the world’s largest producer of a key fertilizer ingredient, there have been questions about how receptive Canada is to investments in the oilsands by state-controlled companies.
But Bacher said he does not foresee any issues on the regulatory front.
"This is not an acquisition as such. This is a partnership being entered and you have seen a lot of deals like this historically and I see this not being any different from any of those," Bacher said.
Statoil took control of Kai Kos Deseh in 2007 through its acquisition of North American Oil Sands Corp. The company uses high-pressure steam to draw the bitumen from deep underground, instead of traditional mining techniques.
PTT, Thailand’s only petroleum exploration and production company, is 65 per cent owned by conglomerate PTT Public Company Ltd,, which is controlled by the government of Thailand.

site: http://www.miningconstruction.org

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limestone mining equipment – limestone crusher plant for cement production line

Limestone Mining

Each year aggregate companies in Iowa produce about 35 million tons of raw material from over 500 locations to supply a myriad of construction projects across the state. The bulk of this supply is extracted from the familiar pits and quarries where gravel deposits and limestone bedrock are close to the land surface. But at eight locations across the state (Jasper, Louisa, Marion, Poweshiek, Scott, Story, Van Buren, and Webster counties), where geologic and market conditions permit, limestone for aggregate is extracted from underground mines.
Though more costly than quarrying, the underground mining of limestone can be both economical and necessary in some areas of the state. Shallow rock units, which were once acceptable, may no longer meet newer engineering standards for construction aggregate. In other instances, it is not economical to strip both the overlying glacial deposits and the poorer quality, shallow bedrock in order to quarry. An operator must decide whether to cease production and move to an alternate location, if one exists, or to shift operations underground. Numerous factors are weighed to determine the feasibility of such a production change. Is the needed quality rock present in sufficient thickness and at suitable depth? Are the market conditions satisfactory to warrant the added expense of underground start-up and production? In the last decade several Iowa stone producers have opted to shift production underground.

Cement Plant

Cement is a mixture of limestone, clay and others processed by high temperature calcination. Glass is from the limestone, quartz sand, soda ash and other mixture, and obtained by high temperature melting, iron with limestone used as flux to remove gangue, in steelmaking use lime to form slag materials to remove sulfur, phosphorus and other harmful impurities. Calcium carbide (main ingredient is CaC2) is from the lime and coke reacted in the furnace. Soda ash is produced by limestone, salt, ammonia and other raw materials through multi-step reaction (Solvay method). Soda lime and soda ash reaction (Caustic method) make caustic soda. Useing pure lime and chlorine reaction to bleach. The chemical processing of limestone make the calcium chloride, calcium nitrate, calcium sulfite etc. Lime is used to soften water and can remove temporary hardness of the water. Burning limestone processed into a more pure calcium carbonate powder, is used as filler of rubber, plastic, paper, toothpaste, cosmetics, etc. The soda lime made by caustic soda with lime for carbon dioxide absorbent. Quicklime is used as a dryer and disinfectant. In agriculture, lime sulfur mixture is mixed with lime, as well as Bordeaux mixture and other pesticides. The application of hydrated lime to the soil can neutralize the soil acidity and improve soil structure, supply plant-available calcium. Brush the tree trund with lime liquid can protect trees.

Limestone Crusher

Limestone crusher used in stone quarry
In stone quarry, there are several types of stone crushers that can be used in limestone crushing plant.
Limestone jaw crusher is the widely used primary crusher, it is mainly used in primary crushing process. Fixed jaw plate, and movable jaw plate are wearable parts. Different jaw crushers have different output, the capacity is 1-5 t/p, 30-50tph, 50-80tph, 80-120tph, 120-200tph, 200-300tph, 300-400tph, 400-500tph.
Impact crusher is also common crushing machine used in limestone quarry. It has the functions of crushing and shaping, can make very good cubic shape. The stone materials are mainly used for road, highway, water conservancy, airport, civil construction etc. The market prices of stones made by impact crusher is higher than that by fineness jaw crusher or compound cone crusher; the quick wear parts cost of impact crusher is also high for high hardness stones.
Limestone mobile crusher is the complete crushing unit, includes feeding, crushing, screening process. for example, limestone mobile jaw crusher includes vibrating feeder, vibraging screen, primary jaw crusher, vibrating screen, and belt conveyor. There are other models, such as limestone mobile impact crusher, limestone mible cone crusher, crawler type mobile crusher.
Limestone crushing and grinding process:
Limestone is important buiding materials, and raw materials for cement production. Natural limestone is big, we must crush them into suitable size through limestone crushing process or grind them into sand or powder in limestone grinding process.
Limestone crushing process need limestone crusher equipment. In this process, we usually use jaw crusher, cone crusher, mobile crusher such as limestone mobile jaw crusher, mobile impact crusher, mobile cone crusher, crawler type mobile crusher. These machines are used to crush limestones into smaller size. According to the different products, we choose the different crushing process. Usually limestone crushing plant includes primary crushing process and secondary crushing process. If the product is sand, the limestone particles must do stone shapping through sand making machine. If you need the stone powder, using limestone grinding machines to grind these crushed limestone particles into powder. In this grinding process, hammer mill, ball mill, vertical mill are usually used.
Limestone crushing plant
In cement plant, limestone is the important raw material to make cement. It goes through crushing, grinding process, then make into powder.
In casting sand production line, limestone is crushed into the particles with 58 - 57 mesh. This limestone sand is better than the performance of quartz sand in manufacturing of machinery.
SBM is a mining machine manufacturer in China, and provides all kinds of stone crushers and grinding mills, such as aggregate crusher (limestone crusher, marble crusher, granite crusher, gravel crusher), ore crusher, coal crusher, cement mill, concrete crusher, and gold mining equipments. We can also design the special complete crushing plant according to the requirements of customers. Now, our products have exported to more than 130 countries, such as USA, UAE, Germany, Indonesia, India, Vietnam, Philippines, Rusia, Canana, South Africa, Zimbabwe, Russia, Ukraine, Japan, Poland, France, Brazil, Mexico.

Limestone

Limestone is calcareous sedimentary rocks formed at the bottom of lakes and seas with the accumulation of shells, bones and other calcium rich goods. It is composed of calcite (CaCO3). The organic matter upon which it settles in lakes or seas, are preserved as fossils. Over thousands and millions of years, layer after layer is built up adding weight. The heat and pressure causes chemical reaction at the bottom and the sediments turn into solid stone, the limestone.
The rock which contain more than 95% of calcium carbonate is known as high-calcium limestone. Recrystallised limestone takes good polish and is usually used as decorative and building stone.

SBM is a professional ore crusher manufacturer which produce the ore crushers such like marble crusher, granite crusher, limestone crusher, coal crusher, iron ore crusher and so on.

The limestone crusher machine are jaw crusher ,impact crusher, cone crusher, VSI crusher, we can supply the turnkey crushing plant to our clients too.

In the limestone crushing plant, there are hammer crusher and impact crusher for big reduction ratio. Usually these limestone crushers' reduction ratio is 10~35. Take the example that if the first input size of limestone rocks is 200mm, the final particles' size should be less than 10um. Under this, hammer crusher or impact crusher is the suitable limestone crushing equipment.

The limestone Jaw Crusher is widely used in mining, building materials, chemical industry, metallurgy and so on. The Jaw Crusher is suitable for primary and secondary crushing all kinds of minerals and rocks with compressive strength less than 320 MPa.

Geeknet Joins Open Invention Network as Licensee

Geeknet and Open Invention Network (OIN) today announced the signing of Geeknet as an OIN licensee. OIN's mission is to enable and protect Linux. By becoming a licensee, Geeknet, the online network for the global geek community through sites such as SourceForge and Slashdot, has joined the growing list of companies that recognize the importance of participating in a substantial community of Linux supporters and leveraging the Open Invention Network to further spur open source innovation.

"Geeknet is a leading resource for open source software development and distribution," said Scott Collison, Chief Product Officer of Geeknet. "We believe that by becoming an Open Invention Network licensee, we encourage furtheropen source development and promote innovation in a technical community that benefits everyone."

"Given its significant contributions to open source software development and its leadership with the tech savvy community, we are pleased to have Geeknet join OIN as a licensee," said Keith Bergelt, CEO of Open Invention Network. "By signing our license, Geeknet affirms that it values the continued openness of Linux and demonstrates its willingness to stand together with others in theopen source community. We applaud the company's foresight in taking this step."

Patents owned by Open Invention Network are available royalty-free to any company, institution or individual that agrees not to assert its patents against the Linux System. This fosters additional investment in, and adoption of, Linux, which in turn helps to fuel economic growth. By developing a web of Linux developers, distributors, sellers, resellers and end-users that license its patent portfolio, Open Invention Network is creating a supportive and open ecosystem for Linux.

OIN has amassed a broad portfolio of patents, including patents held by nominees on its behalf. These patents are available to all licensees as part of the patent portfolio that OIN is creating around and in support of Linux. Its license agreement can be found at

Geeknet is the online network for the global geek community. Our sites include SourceForge, Slashdot, ThinkGeek, Geek.com, and freshmeat. We serve an audience of 48 million users each month and provide the tech-obsessed with content, culture, connections, commerce, and all the things that geeks crave. Want to learn more?

About Open Invention Network

Open Invention Network is a collaborative enterprise that enables innovation in open source and an increasingly vibrant ecosystem around Linux. It does this by acquiring and licensing patents, influencing behaviors and policy and protecting the integrity of the ecosystem through strategic programs such as Linux Defenders. OIN enables the growth and continuation ofopen source software by fostering a healthy Linux ecosystem of investors, vendors, developers and users.

Open Invention Network has considerable industry backing. It was launched in 2005 by IBM, NEC, Novell, Philips, Red Hat and Sony. OIN has received supplemental financial support from Canonical. NOTE REGARDING FORWARD-LOOKING STATEMENTS: This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on our current expectations, and involve risks and uncertainties. Forward-looking statements contained herein include statements regarding the patent license pool and its affect on the online traffic to our media sites. Actual results may differ materially from those expressed or implied in such forward-looking statements due to various factors, including: success of the patent pool to in fostering additionalopen source development and the resulting increases, if any, to our revenue. Investors should consult our filings with the Securities and Exchange Commission, sec.gov, including the risk factors section of our Annual Report on Form 10-K for the year ended December 31, 2009 and our quarterly report on Form 10-Q for the period ending September 30, 2010, for further information regarding these and other risks of our business. All forward-looking statements included in this press release are based upon information available to us as of the date hereof, and we do not assume any obligations to update such statements or the reasons why actual results could differ materially from those projected in such statements.

Geeknet is a trademark of Geeknet, Inc. SourceForge, Slashdot, ThinkGeek, Geek.com, and freshmeat are trademarks of Geeknet, Inc. in the United States and other countries. Open Invention Network, the Open Invention Network logo, Linux Defenders, Linux Defenders 911 and the Linux Defenders 911 logo are registered trademarks or the property of Open Invention Network, LLC. All other names and brand marks are the property of their respective holders.

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Zions Direct Announces Auction Results

Zions Direct (www.zionsdirect.com), the online broker-dealer that allows its customers to purchase municipal bonds and corporate bonds in its daily web-based auctions, announces their weekly auction results. In auctions closed from November 1, 2010 to November 5, 2010, investors purchasing municipal bonds in the auctions received average tax-exempt yields 0.61 percentage points, or 61 basis points, higher than similar bonds as reported by the Municipal Securities Rulemaking Board (MSRB). Customers that purchased corporate bonds in the auctions received average taxable yields 58 basis points higher than comparable bonds reported in FINRA's Trade Reporting and Compliance Engine (TRACE).

Zions Direct, in conjunction with BondDesk Group LLC, regularly publishes a Market Snapshot for investors to help understand the current bond market, summarizing current weighted-average yields of investment-grade municipal and corporate bonds. Findings are compared against similar securities auctioned at Zions Direct Auctions (www.auctions.zionsdirect.com). Since February 2007, Zions Direct has auctioned over 750 million dollars in more than 1,750 fixed-income auctions.

ZIONS DIRECT / BONDDESK® MARKET SNAPSHOT
Municipal Bonds' Average Yields Trade Data (source: MSRB)
	2010 - 2011		2011		2012		2013		2015		2017		2020
Rating	< 9mo		1 yr		2 yr		3 yr		5 yr		7 yr		10 yr
AAA	0.45%		0.53%		0.76%		1.09%		1.57%		2.16%		2.77%
AA	0.49%		0.61%		0.84%		1.20%		1.66%		2.32%		2.92%
A	0.56%		0.96%		1.30%		1.62%		2.22%		2.91%		3.54%
BBB	3.84%		1.84%		1.63%		2.28%		3.15%		3.42%		3.97%
Insured AAA-AA	0.55%		0.66%		0.92%		1.19%		1.70%		2.33%		2.89%

Municipal Bond Auction Comparison Data (auction data from auctions.zionsdirect.com)
Issuer		Term		Rating		Auction Yield		MSRB		Difference
								Avg Yield		(basis points)
Humble ISD, TX GO		3 Month		Insured AAA		1.10%		0.55%		55
Salt Lake Cnty, UT GO		5 Year		AAA		2.08%		1.57%		51
So Brunswick, NJ GO		11 Month		AA		1.44%		0.61%		83
Clark Cnty, NV GO		1 Year		AA		1.32%		0.61%		72
Cypress-Fairbanks ISD, TX GO		3 Month		Insured AAA		0.88%		0.55%		34
Austin, TX GO		10 Month		AAA		1.11%		0.53%		58
So Valley Swr Dist, UT Rev		2 Month		AA		0.88%		0.49%		40
Pierce & King Cntys SD, WA GO		2 Year		AA		1.80%		0.84%		96
Alpine SD, UT GO		4 Month		Insured AAA		1.11%		0.55%		56
State of Texas, TX GO		11 Month		AA		1.31%		0.61%		70
Average Difference										61

Corporate Bonds' Average Yields Trade Data (source: FINRA's TRACE)
	2010 - 2011		2011		2012		2013		2015		2017		2020
Rating	< 9mo		1 yr		2 yr		3 yr		5 yr		7 yr		10 yr
AAA	0.19%		0.33%		0.44%		0.93%		1.45%		2.65%		2.90%
AA	0.40%		0.54%		1.01%		1.28%		2.03%		3.28%		3.80%
A	0.44%		0.81%		1.43%		1.81%		2.74%		3.77%		4.44%
BBB	0.96%		0.98%		1.66%		2.46%		2.91%		4.05%		4.39%

Corporate Bond Auction Comparison Data (auction data from auctions.zionsdirect.com)
Issuer		Term		Rating		Auction Yield		TRACE		Difference
								Avg Yield		(basis points)
Toyota Motor		1 Month		AA		0.70%		0.40%		30
Bank of America		10 Month		A		1.60%		0.81%		79
General Electric Capital		1 Month		AA		1.05%		0.40%		65
Average Difference										58

For more information on Zions Direct and the BondDesk Market Snapshot go to www.zionsdirect.com to sign up to receive the free weekly newsletter or visit www.think.zionsdirect.com to view a Market Snapshot archive.
THE INFORMATION IN THE MARKET SNAPSHOT IS NOT INTENDED TO SERVE AS THE BASIS FOR INVESTMENT DECISIONS. PAST PERFORMANCE IS NOT AN INDICATION OF FUTURE RESULTS.

About Zions Direct
Zions Direct is a broker-dealer that specializes in offering securities for self-directed and fixed income-focused investors. Zions Direct allows retail investors to buy FDIC-insured certificates of deposit and corporate and municipal bonds through its web-based Bond Store (www.bondstore.com) and auction platforms. In addition, clients can invest in stocks, mutual funds, and exchange-traded funds online or through a Zions Direct financial representative.

About BondDesk Group LLC
BondDesk Group LLC is a financial technology firm, providing enterprise-wide fixed income solutions to many of the top broker-dealers in North America. The BondDesk Alternative Trading System (ATS), run by BondDesk Trading LLC, connects broker-dealers through a centralized marketplace by offering a diverse pool of liquidity for odd-lot fixed income securities in multiple asset classes. The BondDesk ATS executes over 20,000 transactions per day by providing 2,000 broker-dealers access to 35,000 live and executable offerings from over 100 premier fixed income dealers. In addition, BondDesk Group is a leading provider of innovative fixed income wealth management solutions, advisor workstations and fixed income analytical tools and applications.

Market Snapshot Information Disclaimer
MSRB and TRACE bond trade data displayed as weighted average yield. Municipal bond information from MSRB as of November 5, 2010. The Trade Data was developed by BondDesk Group based on information from MSRB's Real-Time Transaction Reporting System, and excludes transactions in taxable bonds. Auction information from auctions.zionsdirect.com as of November 5, 2010.

Corporate bond information from FINRA's Trade Reporting and Compliance Engine (TRACE) as of November 5, 2010. The Trade Data was developed by BondDesk Group based on trade reporting information from TRACE, and excludes transactions in callable and floating-rate coupon bonds. The aggregate rating for each bond is based on average ratings from Moody's and S&P (when available).

Although information in this Market Snapshot is believed to be reliable, Zions Direct and BondDesk make no express or implied warranties of any kind regarding this information, including as to its accuracy or completeness. Auction data excludes bonds in undersubscribed auctions.

Municipal bonds are exempt from federal tax and may or may not be tax-exempt in individual states. The inclusion of municipal bonds selected by tax-exempt status is generated from pertinent federal tax attributes as populated from Muller, IDC, and/or BD ATS data sources.

Terms are defined as follows: < 9 months = anything up to .75 years to maturity; 1 year = anything greater than 0.75 years up to 1.5 years to maturity; 2 years = anything greater than 1.5 years up to 2.5 years to maturity; 3 years = anything greater than 2.5 years up to 4 years to maturity; 5 years = anything greater than 4 years up to 6 years to maturity; 7 years = anything greater than 6 years up to 8.5 years to maturity; 10 years = anything greater than 8.5 years up to 11.5 years to maturity.

Investment products and services offered through Zions Direct, member of FINRA/SIPC, a non-bank subsidiary of Zions Bank are NOT insured by the FDIC or any federal or state governmental agency, are NOT deposits or other obligations of, or guaranteed by, Zions Bancorporation or its affiliates, and MAY be subject to investment risks, including the possible loss of principal value or amount invested. FDIC-insured CDs are insured up to $250,000 per individual account holder per bank.

 

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