glossary of mining terms legends of america
Alluvial or Bench Deposits An ancient river-washed rock and gravel bar that may be thousands of feet from the nearest stream, creek, or river. Alluvial or bench deposits contain untapped potential for finding gold because such areas have never been worked before. The hydraulic giants generally worked alluvial deposits.
Bucket Line Dredge Unlike modern dredges; a bucket line dredge was very large. Instead of sucking up water and gravel through the use of water pressure, the bucket line dredges would scoop it up and run it through a long sluice box.
Drywasher A common desert mining tool similar to a highbanker but doesnt need water. It operates by the use of wind. The light junk material is blown off the top of the sluice in the drywasher and the gold stays on the bottom.
Flume A boxing or piping for carrying water. Similar to sluice boxes, but they do not have riffles and are used solely to transport water in areas where a ditch would be impossible such as cliff sides and rocky hillsides.
Highbanker A mobile sluice box. Instead of being put right in the creek, it uses water to pump to transport the water and minerals to another location. It is also able to run more material in less time than the sluice.
Ore Any natural combination of minerals. Especially one from which a metal or metals can be profitably extracted. Commonly a mixture of one or more of the following: quartz, gold, copper, silver, sulfur, iron, and nickel.
Primary or Primitive Rocks Consist of the various kinds of slate, quartz, serpentine, granite and gneiss; they are the lowest group of rocks, are irregularly crystallized, and contain a few animal relics.Prospecting Hunting for mineral lodes or placers.
Rocker Box or Cradle Like a sluice box, the rocker box has riffles in it to trap the gold. It was designed to be used in areas with less water than a sluice box. The process involves pouring water out of a small cup and then rocking the small sluice box like a cradle, thus the name rocker box or cradle.
small rock crusher
With a 375 RPMoverheadeccentric, and equipped of a 2.5HP electric motor, thissmall primary rock crusher/breakerwill quickly have your hard-rocks crushed to under 1/4 and be ready forsecondary crushing.
With a capacity of 200pounds (100 kg) per hours, the911MPEJAC34CEis a sturdy 200 lbs rock crushing machine, can stay in your garage, Includes operating manual, a feed hopper, eccentric pulley, pre-installed and replaceable Manganese jaw plates.
portable rock crusher - gasoline engine powered
The 911MPEJAC34C-G/E is a 75x 100 millimeter Hobby Miners Portable Jaw Crusher. Its3 X 4gape will break to 50% minus 1/4 CSS and rocks/ore hosting gold, silver, copper or any recycle material such as magnets, granite, cement or bricks. Is easily adjustable closed side setting goes from 3/8 to 1.5.
With a 375 RPMoverheadeccentric, and equipped of a 6.5 HP gasoline engine (196 cc), thissmall primary rock crusher/breakerwill quickly have your hard-rocks crushed to under 1/4 and be ready for secondary crushing.
With a capacity of 200pounds (100 kg) per hours, the 911MPEJAC34CGis a sturdy 200 lbs rock crushing machine, can stay in your garage, small mining claim/camp of follow you around in the back of your pickup truck.
mini rock crusher
The 1 X 2 911MPEJAC12Small Rock Crusheris designed to finely crush rock and stone like aggregates or your favourite ore type (gold, silver, copper, etc.) from 3/4 (20mm) feed size down to a D50 50% passing 50 Mesh (300um).
This small jaw crusher and its miniature opening gape of25 mm X 50 mm, can easily adjust by hand. The CSS, known as the closed-side-setting, can be choked down to effectively pulverize the rocks you feed in. With a short throw at fast 500 RPM, this small rock breaker acts as a quasi-sample pulverizer without the dust of your typical cheap hammermill, chain beating, impact crusher amateur prospectoroften fall for and purchase online.
The 911MPEJAC12 with a crushing capacity of 10pounds (5 kg) per hours, ultra-portable (20 lbs.), and Small Rock Crusheris a Blake type crusher with a high-speed eccentric overhead. The product from this crusher is generally liberated enough and ready to pan or table for gravity gold separation. When you buy this Small Rock Crusher, you also get: An operating manual, the pulley, pre-installed AR450 jaw plates. Without the 1 HPmotor or mounting frame. This crusher canoperate with gas/diesel engine as well as electric motor. Be sure to ration your speed/sheaves to have 500 RPM on the jaw and you are set to crush-those-rocks.
small jaw crusher
The 911MPEJAC23is aSmallJaw Crusher of 2.25 X 3manufactured to easily crush any rock from 2 (50mm) down to a D50 of 700 micron (28 Mesh) which also correspond to acrushed discharge P80 size of 80% passing 1400 microns or 14 mesh. The discharge opening (closed-side-setting) of this 55mm X 75mm big-small crusher you can adjusted with a wrench. With a short throw at a quick 525 RPM (speed eccentric overhead), this small rock crushercan almostpulverize without dusting of your run-of-the-mill, chain beating, hammermillsmall prospectorsoften buy.
The Small 911MPEJAC23is a2.25 X 3 Jaw Crushermanufactured to easily crush any rock from 2 (50mm) down to a D50 of 700 micron (28 Mesh) which also correspond to acrushed discharge P80 size of 80% passing 1400 microns or 14 mesh. The discharge opening (closed-side-setting) of this 55mm X 75mm big-small crusher you can adjusted with a wrench. With a short throw at a quick 525 RPM (speed eccentric overhead), this small rock crushercan almostpulverize without dusting of your run-of-the-mill, chain beating, hammermillsmall prospectorsoften buy. With a rated capacity to crush 25 lbs (12 kg) of material per hour,this portable and lightweight (35 lbs.), is perfect for low volume metallurgical sample preparation or any small home laboratory a gold prospector would have in his garage. At 80% < 14 mesh, the discharge from this small crushing machine is mostlyliberated and ready for panning or shaking table. Allsmall jaw crushers come with an operating manual, pulley, preinstalledabrasion-resistantAR450jaw plates. This economic crusher is sold without the 1 HPmotornor mounting supports. All crushers are offered with gas/diesel engine or electric motor. If you decide to do-it- yourself, just be sure to ratio your speed/sheaves to have 525 RPM on the jaws and your rock crusheris set to crush.
The Small 2x3 Jaw Crusher is designed to crush rock and rock like aggregates from 1.5 size down to 50 Mesh size depending on selected output setting. In order to maintain the long life and high performance standards your Crusher is designed for, it is essential to carefully observe and adhere to the following operating and maintenance instructions.
rock crushers at kellyco | gold prospecting equipment
In order to crush rocks and extract gold, you will need the right equipment that can achieve this quickly and efficiently. That being said, utilizing rock crushers will help prevent you from missing the opportunity of hitting paydirt. Portable rock crushers will change the way you prospect for gold and with several options available, making sure that you select the correct product will be invaluable.
The term itself is pretty self-explanatory. These machines are designed to crush any type of stone from quartz to limestone and everything in between. How much is able to be processed per hour will depend on the model you purchase.
The intention of small rock crushers, such as those we have here at Kellyco, is to allow you to extract more gold instead of leaving any paydirt behind. The amount of gold that can be contained within rocks in areas you didnt know were there may surprise you. However, without a rock crusher in your arsenal, you will never be aware of what was left behind.
Portable rock crushers use a very simple approach, power. With various sized engines available depending on the model, these machines are designed to take small rocks and, thanks to a huge amount of pressure and power, crush them down and allow you to process them through your sluice box.
The aim of any small rock crusher for sale is to be able to break that rock down into a fine powder. In doing so, it will be able to pass through a classifier before going through the sluice box and any gold can then be separated. Even relatively small pieces of rock that are left intact could lead to you missing out on some gold, and when you know you have hit paydirt then you hardly want to leave anything behind.
Most models, including the Keene G-Force rock crusher, will use a hopper box with gravity to move the rocks through the crusher. The rock is fed into the hopper box and then moves into the central compartment of the crusher. A huge amount of force effectively smashes the rock at high speed and the greater the force then the finer the powder. With that in mind, the power of the engine contained within the rock crusher will be important.
With several options available, knowing which are the best rock crushers for sale will make your job of identifying the right product for you easier. Of course, budget may play a part but Kellyco does have a number of small portable rock crushers for sale across a wide price range.
There are several key points to consider when looking at purchasing a portable rock crusher. First, there is the volume of rock that can process for up to an hour. With some capable of producing over 2 tons of powder, also known as grind, this should be more than adequate for the majority of treasure hunters.
Another point to remember is the size of rock that the crusher can handle. These kinds of rock crushers for sale are not designed to take large boulders and break them down on an industrial scale. Instead, we are talking about rocks that are around one inch in size that can be effectively smashed in seconds. Once again, we recommend that you check the maximum size that the model you are looking at can take before making your purchase.
The best rock crushers for sale will contain a large hopper box, be capable of crushing a substantial amount of rock in one hour, and break things down into an easy to manage powder. As long as those points are met, then you should not have any problem extracting as much gold as possible from your expedition.
There are several additional features that deserve to be mentioned with a rock crusher. For example, you need to examine how a particular model is powered. With both gas and electric available as options, it should be easy for you to get things started. As a side-note, the gas version is often regarded as being cheaper to operate. Also, we have to think about transportation. These machines are not the lightest around which is why there are lighter models, such as the Keene trailer mounted crusher, on the market. This does make it easier to get to those more remote areas that you may wish to venture to on your expeditions.
You may wish to consider looking at the process that the rock crusher uses in order to deliver the powder. Different models may put the rock through various processes with each stage resulting in something even finer than before.
Finally, there has to be the question of replacing parts even when you are out there in the wild. Cleaning the machine and clearing it of debris is important or it may result in becoming clogged. However, models that have been manufactured by Keene will all be easy to adjust and maintain so this shouldnt be a problem.
If rock crushers are something of interest to you, but you are unsure of what to do next, then feel free to reach out to our customer service team. Contact us directly via our customer care department and our team of expert gold prospectors will be able to advise you on the best rock crusher for your needs and answer any questions that you may have.
portable rock crusher | goldbelt global olesi 4 inch
The NEW portable 4 inch OLESI rock crusher is now available in 12v, 110v or head unit only, no motor. Perfect for laboratory sample crushing or high grade production and process evaluation. Comes with everything you need to crush except the bucket, just apply power and go.