Using the Long Tom in Gold Mining | Actforlibraries.org

The long tom and its cousins the riffle board, and the rocker are used to mine alluvial gold. They are mining instruments that came out of the gold rush. The early mines in California were all alluvial, and could be worked by the masses unlike a hardrock mine that required a lot of capital before it produced a nickel’s worth of gold.

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Gold Mining Technique: The Long Tom by John Smith on …

Mining Technique: The Long Tom Using this mining technique, two men could mine about 400-500 buckets of gold per man. How this technique works: The process started with one man shoveling dirt into the long tom One man removes large objects and keeps the dirt moving along the

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Using the Long Tom in gold mining | Other

The Long TomThe long tom and its cousins the riffle board, and the rocker are used to mine alluvial gold.They are mining instruments that came out of the gold rush. The early mines in California were all alluvial, and could be worked by the masses unlike a hardrock mine that required a lot of capital before it produced a nickel’s worth of gold.

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Long Tom Sluice - Mineral Processing & Metallurgy

The Long Tom is a sluice variant and as you would expect the LONG TOM and the dip box are included here because of their simplicity and potential usefulness. The long tom is a small sluice that uses less water than a regular sluice. It consists of a sloping trough 12 feet long, 15 to 20 inches wide at the upper end, flaring to 24 to 30 inches at the lower end. The lower end of the box is set ...

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What is a mining long tom - Answers

it is a long mining tool used to mine gold. ... The mining cradle, also known as a rocker box, was invented by William Tom Jr in 1851. It was used in gold mining operations. Load More.

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Mining Techniques of the Sierra Nevada and Gold Country

The disadvantage of The Long Tom was that it needed a continuous source of fast-moving water. That required that the Long Tom be located on a riverbank or that ditches must be constructed to deliver water to the mining site. The first mining ditches in Gold Country were most likely built to supply Long Toms. Sluice Boxes

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What is a long tom used for in the gold rush - Answers

the long tom is a big long wooden thing that minners used to seperate gold from dirty, rocks, water, and other materials.

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Long tom gold sluice in action - YouTube

26-11-2008· Paul loading the Back packable 10 foot long-tom sluice box and bucket tram. Old school style gold mining in remote locations. Sluice, hopper and flume pipes fold up and fit onto a standard ...

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Gold mining gear, long toms and sluices

As mining operations became more complex, the long tom and the sluice came into widespread use. The long tom was a shallow trough 15 feet long and 15 inches high and often increasing in width near the low end and through which a constant stream of water ran.

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Gold Fever Prospecting - Miners Working a Long Tom

Prospecting - Miners Working a Long Tom. Gold mining is nature's lottery scheme. A man may work in a claim for many months, and be poorer at the end; or he may 'take out' thousands in a few hours. It is a mere matter of chance. - Louise Clapp. Click icon to hear Long Tom. These miners are working a long tom.

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Gold mining gear, long toms and sluices

As mining operations became more complex, the long tom and the sluice came into widespread use. The long tom was a shallow trough 15 feet long and 15 inches high and often increasing in width near the low end and through which a constant stream of water ran.

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Gold Fever Prospecting - Miners Working a Long Tom

Prospecting - Miners Working a Long Tom. Gold mining is nature's lottery scheme. A man may work in a claim for many months, and be poorer at the end; or he may 'take out' thousands in a few hours. It is a mere matter of chance. - Louise Clapp. Click icon to hear Long Tom. These miners are working a long tom.

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Minig Technology during the Gold Rush - American Experience

Mining Technology during the Gold Rush The painting Miners in the Sierras, depicts a type of mining called placer mining. The figure in the red shirt wields a pick-axe to loosen rock and gravel from the riverbed, while the figure next to him shovels rock into the bed of the long wooden device called a long tom. The long tom is balanced on the

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Summary of Gold Mining in US - Tuolumne County

Summary of Gold Mining Techniques in . Western United States. 1842 - 1996 . Placer Mining. The first tools used to mine gold were extremely simple, knives, small wooden hand tools, such as picks and shovels. Extraction of gold from ore bearing gravel without water was termed “dry washing.”

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Gold Smelting Process | Sciencing

Gold is purified by means of a smelting process, which utilizes pressure, high heat and chemicals to accomplish the task. Like any metal that appears naturally in the earth, there are impurities that must be removed. Removing minerals and other impurities allows gold to be used in …

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images of gold rush mining tools - BINQ Mining

Gold Rush Mining Equipment – Gold Panning Supplies. Gold Mining Methods/Equipment Long Tom The long tom was used in the gold rush and the California gold rush.The long tom looks like a sluice box but bigger. »More detailed

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Cradle | mining tool | Britannica

Other articles where Cradle is discussed: placer mining: …pan was the rocker, or cradle, named for its resemblance to a child’s cradle. As it was rocked, it sifted large quantities of ore. Gravel was shoveled onto a perforated iron plate, and water was poured over it, causing finer material to drop through the perforations and onto an apron…

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How the Early-Day Miners Sluiced for Gold

Long Tom Sluice Box Long Toms were a type of sluice box that was very common in the old mining areas. They were set at a steeper angle than the standard sluice box, so they were good for areas that had limited water. These were often very long and were used by multiple operators who would shovel material into the box.

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Gold mining - Wikipedia

Bronze Age gold objects are plentiful, especially in Ireland and Spain, and there are several well known possible sources. Romans used hydraulic mining methods, such as hushing and ground sluicing on a large scale to extract gold from extensive alluvial (loose sediment) deposits, such as those at Las Medulas.Mining was under the control of the state but the mines may have been leased to ...

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Using Mercury - Prospector's Paradise - Recreational Gold ...

If you use charged mercury to recover gold from concentrates it’s all right to allow it to break up into smaller globs. Things will go much faster but you should try to get the mercury back in one glob before it is discharged or the globs will corrode rapidly and will be much more difficult to recover.

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Cradle | mining tool | Britannica

Other articles where Cradle is discussed: placer mining: …pan was the rocker, or cradle, named for its resemblance to a child’s cradle. As it was rocked, it sifted large quantities of ore. Gravel was shoveled onto a perforated iron plate, and water was poured over it, causing finer material to drop through the perforations and onto an apron…

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Gold mining - Wikipedia

Late 15th and early 16th century mining techniques, De re metallica Bronze Age gold objects are plentiful, especially in Ireland and Spain, and there are several well known possible sources. Romans used hydraulic mining methods, such as hushing and ground sluicing on a large scale to extract gold from extensive alluvial (loose sediment) deposits, such as those at Las Medulas.

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Placer mining - Wikipedia

Placer mining / ˈ p l æ s ər / is the mining of stream bed deposits for minerals.This may be done by open-pit (also called open-cast mining) or by various surface excavating equipment or tunnelling equipment.. Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits—deposits of sand and gravel in ...

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Placer mining for gold with a sluice box: Instruction on ...

This is my page of information on placer mining for gold with a sluice. ... The terminology for the long tom and dip box are really no longer used. The Long tom. Among the many variants of the sluice, the old time long tom was the type used by the 49ers and other early day prospectors.

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How Is Mercury Used to Purify Gold? | Sciencing

Since at least the time of the ancient Romans, mercury has been used in the mining of gold and silver. Precious metals are usually found in nature among sand and mud and mixed with other nonmetallic elements like sulfur, a problem for miners to which mercury literally was the solution.

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Placer Mining Equipment

Specific Placer mining equipment is needed for each of the methods which can be classified according to the several methods of excavating and transporting the gravel, or they may be designated to correspond with the various ways of saving the gold. The actual moving of the gravel from place is always the principal concern of the miner, and often the gold-saving is entirely incidental to the ...

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gold sluice | Miscellaneous Goods | Gumtree Australia Free ...

New micro mini sluice box , please note i have some V Matt for the micro sluice, sluice is coated with industrial coating , sluice is made up of two section for easy storage in backpack , bike etc , use this unit dry or wet also great for cleaning up trailings for fine gold recovery , under 300 mm long, width is 100 mm or smaller depends on unit , Also have suction tweezers for $20 for 50 best ...

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Gold Sluice | Kijiji in British Columbia. - Buy, Sell ...

Mining equipment and Gold Claims for sale: (1) Gold Trommel Wash plant 30k, set up for 4 inch or 6 inch water supply. (1) Hydraulic wash plant 5k and smaller test plant 3k . Also 2 Hitachi 400 Excavators 25k and 35k, and 1500 GPM Water pump 5K, hoses, and Gold Claims (proven) Cedar Creek are available as well. Call Doug for details.

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How to: use a long tom to mine for gold?????? | Yahoo …

24-5-2009· At my prospecting club I believe we have the only wooden long tom operating in the state of Ohio. A long tom is just a long wooden sluice. The important part is finding gold …

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Gold Well Vortex Drop Riffle Sluice Box - Gold Prospecting ...

If you are used to a normal sluice, you will find that the Gold Well Vortex Drop Riffle can process more material faster than you are used to. IF material is building up and staying for a period of time on the flat areas of the sluice between the wells, you are feeding the sluice TOO fast.

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