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what is a rocker or cradle mining

Rocker box - Wikipedia

A rocker box (also known as a cradle) is a gold mining implement for separating alluvial placer gold from sand and gravel which was used in placer mining in the 19th century. It consists of a high-sided box, which is open on one end and on top, and was placed on

Cradle mining tool Britannica

mining tool. The rocker, or cradle, which enabled one miner to handle more material than by simple panning. It was easy to transport and set up anywhere a source of water was available. The miner would shovel material into the hopper, regularly add water, and rock the cradle

Gold mining with a rocker or cradle My Gold Rush Tales

20/06/2011  Gold mining gear, the rocker. Panning gold was slow work and very early in 1848 Isaac Humphrey, a miner who’d been at the gold finds in the mountains of Georgia in the 1830’s, introduced a new device that sped things up a great deal. Called a rocker or a cradle, it resembled a baby’s bed. At the upper end was a hopper with moderately high ...

The Rocker or Cradle: Historic Gold gravel processing

Historic Placer Mining Technologies, The Rocker or Cradle. The rocker or cradle is still less efficient than the long tom and inferior in capacity. It bears some resemblance in shape and size to a child's cradle, and rests upon similar rockers. The cradle-box is about forty inches long, twenty wide, and four high, and it stands with the upper end about two feet higher than the lower end, which ...

A mining tool called a rocker (also known as a cradle) was ...

A mining tool called a rocker (also known as a cradle) was widely used during the Gold Rush to separate lighter gravels from heavier gold bearing sands, at a Gold Rush re-enactment in Coloma. - Buy this stock photo and explore similar images at Adobe Stock

Placer mining - Wikipedia

Placer mining / ˈ p l æ s ər / is the ... Rocker. A rocker box (or "cradle") is capable of greater volume than a gold pan, however its production is still limited when compared to other methods of placer mining. It is only capable of processing about 3 or 4 yards of gravel a day. It is more portable and requires less infrastructure than a sluice box, being fed not by a sluice but by hand ...

Gold Rocker Box - Mineral Processing Metallurgy

03/07/2018  Gold Cradle. At least twice as much gravel can be worked per day with the rocker as with the pan. The rocker or cradle, as it is sometimes called, must be manipulated carefully to prevent loss of fine gold. With the rocker, the manual labor of washing is less strenuous, but whether panning or rocking, the same method is used for excavating the gravel. The rocker, like the pan, is used ...

The Rocker Box – BC Gold Adventures

A rocker, also called a “cradle” or a “dolly”, is used when water is in short supply or when the depth of the stream or creek is too shallow to use a sluice-box. A And A Machine Works Gold Rocker For The Cariboo (1932). The principle of the rocker is simple: As the cradle is rocked, water washes the finer material through the bottom of the hopper and gold collects on ridges or riffles ...

Cradle vs rocker: what is the difference?

The difference between Cradle and Rocker. When used as nouns, cradle means a bed or cot for a baby, oscillating on rockers or swinging on pivots, whereas rocker means a curved piece of wood attached to the bottom of a rocking chair or cradle that enables it to rock back and forth. Cradle is also verb with the meaning: to contain in or as if in a cradle. check bellow for the other definitions ...

Rocker Boxes Used by the Gold Miners

The rocker box, or "cradle," was a popular tool used by miners during the early gold rushes. They were portable devices that were able to capture much more than just a gold pan alone. Their design was relatively simple. Rather than using an active flow like a sluice, water was fed into the head of the rocker box manually using a tin can. Miners would usually nail it to the end of a stick so ...

Gold mining with a rocker or cradle My Gold Rush Tales

20/06/2011  Called a rocker or a cradle, it resembled a baby’s bed. At the upper end was a hopper with moderately high sides and covered with a sheet metal or rawhide sieve with holes a half-inch in diameter. Here ore bearing soil would be shoveled in then washed down the body where the gold would collect behind three or four wooden cleats along the bottom, with the last one at the open lower end.

The Rocker or Cradle: Historic Gold gravel processing

Rocker or Cradle Method of processing gold bearing gravel using historic proceedures. Historic Placer Mining Technologies, The Rocker or Cradle. The rocker or cradle is still less efficient than the long tom and inferior in capacity. It bears some resemblance in shape and

A mining tool called a rocker (also known as a cradle) was ...

A mining tool called a rocker (also known as a cradle) was widely used during the Gold Rush to separate lighter gravels from heavier gold bearing sands, at a Gold Rush re-enactment in Coloma. - Buy this stock photo and explore similar images at Adobe Stock

Placer mining - Wikipedia

A rocker box (or "cradle") is capable of greater volume than a gold pan, however its production is still limited when compared to other methods of placer mining. It is only capable of processing about 3 or 4 yards of gravel a day. It is more portable and requires less infrastructure than a sluice box, being fed not by a sluice but by hand. The box sits on rockers, which when rocked separates out the gold, and the

Rocker Boxes Used by the Gold Miners

Rocker Boxes Used by the Gold Miners. The rocker box, or "cradle," was a popular tool used by miners during the early gold rushes. They were portable devices that were able to capture much more than just a gold pan alone. Their design was relatively simple.

Build Your Own Gold Rocker Box Or Gold Cradle

The 'rocker' is a box with a hopper about 3 to 4 ft. long and 1 to 2 ft. wide, sloped like a cradle, and is mounted on semicircular pieces of wood and worked by a, handle to give it a side motion; and it is also inclined so as to carry the material down to the lower end, which is open. At the upper end is a small hopper that may be removed and which has a sheet-iron bottom perforated with 1/2 -in. holes. Under

Rocker Box Mining Equipment

A rocker box (also known as a cradle) is a gold mining implement for separating alluvial placer gold from sand and gravel which was used in placer mining in the... Read more Placer mining - Wikipedia, the free encyclopedia

What is a Long Tom Gold Rush?

A rocker, also known as a cradle, separated gold from dirt. Pickaxes. Pickaxes were known as the gold standard for early mining in the 1800s. Drills. Miners drilled by hand or used compressed air drills. Pans. Hydraulic Mining Machines.

Gold!!! With the gold cradle/ rocker box - YouTube

11/06/2018  Videos you watch may be added to the TV's watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. Cancel. Confirm. Switch camera. Share ...

Describe or picture of a "long tom" used in gold mining in ...

07/05/2006  Since these miners could only dig out bigger nuggets with such primitive equipment, they had to work on rich gold deposits. In the same year, technical improvements such as the cradle, the rocker, the long tom, and river damming, basically all known since the Middle Ages, were introduced by the more experienced Mexicans. The cradle and the rocker both worked on the same principle:

Gold mining with a rocker or cradle My Gold Rush Tales

20/06/2011  Gold mining gear, the rocker. June 20, 2011 By John Putnam Leave a Comment. A Cradle by Pearson Scott Foresman . Panning gold was slow work and very early in 1848 Isaac Humphrey, a miner who’d been at the gold finds in the mountains of Georgia in the 1830’s, introduced a new device that sped things up a great deal. Called a rocker or a cradle, it resembled a baby’s bed.

The Rocker Box – BC Gold Adventures

A rocker, also called a “cradle” or a “dolly”, is used when water is in short supply or when the depth of the stream or creek is too shallow to use a sluice-box. A And A Machine Works Gold Rocker For The Cariboo (1932). The principle of the rocker is simple: As the cradle is rocked, water washes the finer material through the bottom of the hopper and gold collects on ridges or riffles ...

Rocker Boxes Used by the Gold Miners

The rocker box, or "cradle," was a popular tool used by miners during the early gold rushes. They were portable devices that were able to capture much more than just a gold pan alone. Their design was relatively simple. Rather than using an active flow like a sluice, water was fed into the head of the rocker box manually using a tin can. Miners would usually nail it to the end of a stick so ...

Placer mining Britannica

The rocker, or cradle, which enabled one miner to handle more material than by simple panning. It was easy to transport and set up anywhere a source of water was available. The miner would shovel material into the hopper, regularly add water, and rock the cradle from side to side in order to sift the material onto the apron below. As the material was washed along, heavier minerals, especially ...

Alluvial gold part 2 - Apple Isle Prospector

The cradle or rocker box. Other than the panning dish, the traditional rocker box is probably the only piece of equipment used for alluvial gold prospecting that is unambiguously not banned in Tasmania, as it uses only hand power. Cradling for gold. When gold rush prospectors started to work the large discoveries in California, and then Australia, it became obvious that a panning dish wasn’t ...

Rocker Box Miscellanous

A real Gold Rocker Cradle can be seen at the James Marshal Gold Discovery Park in Coloma, California. First developed in the goldfields of the state of Georgia, the rocker was an important gold mining tool. At the very dawn of the Gold rush to California, the rocker box also known as a cradle was perhaps the most used piece of gold prospecting equipment. For a time it was perhaps even more ...

building a rocker sluice - ptsp

A rocker box (also known as a cradle) is a gold mining implement for separating alluvial placer gold from sand and gravel which was used in placer mining in the 19th century It consists of a high-sided box, which is open on one end and on top, [1] and was placed on rockers.. Know More

Rocker Box Mining Equipment

The rocker box very much resembled the old-time rocking cradle for ... In addition to its use in small-scale placer mining operations, the rocker box found ... At the end which is closed, and called the " mouth" of the machine,... Read more. RCW 78.44.330: Mineral trespass — Penalty. - Access Washington (c) Tampers with or disturbs a flume, rocker box, bedrock sluice, sluice box, dredge ...

Describe or picture of a "long tom" used in gold mining in ...

07/05/2006  The cradle and the rocker both worked on the same principle: wooden boxes with the top and front piece missing and a sieve on the bottom side through which the dirt containing gold was washed. On the bottom horizontal wooden bars slowed the incoming water down and helped to separate dirt from gold. With a handle on the side of the box, the whole mechanism could be rocked. The rocker

where to buy a gold cradle rocker box - BINQ Mining

Build Your Own Gold Rocker Box Or Gold Cradle. Aug 14, 2008 First developed in the goldfields of the state of Georgia, the rocker was an important gold mining tool. The miner could make a rocker for himself in the »More detailed