mining rocker cradle

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Cradle | mining tool | Britannica.com

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...

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Rocker box - Wikipedia

A rocker box 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 rockers. The inside bottom of the box is lined with riffles and usually a carpet (called...

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The Rocker or Cradle: Historic Gold gravel processing methods

Rocker or Cradle Method of processing gold bearing gravel using historic proceedures. ... If the distance from the hole to the water be not over ten or twenty feet, the miners will usually carry the dirt in buckets ; if farther they will use wheelbarrows ; and sometimes for greater distances pack-mules or wagons. The greater the...

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How to use a Rocker Box to find fine GOLD!! - YouTube

Mar 16, 2012 ... A demonstration of my home made rocker box in action and the gold I found.

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Cradling For Gold: 1870s Pattern Rocker Box. - YouTube

Nov 16, 2011 ... We put a small sample of Palmer River gravel wash through our home made Rocker Box (Gold Cradle) and end up with some fine gold and some small ... The mining on my claim started in the 1890's so there are a lot of holes on my 20 acres and the deepest shaft is 500 ft down with 4 levels and no there is...

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How to build a Rocker Box - YouTube

Nov 8, 2011 ... 12:13. SLUICE BOX-New Secret Gold Mining Tool - Duration: 3:56. bearbottommining 1,152,581 views · 3:56 · Tips on Finding Gold in Creeks and Streams - Duration: 28:40. Gold Hog 943,990 views · 28:40. Gold Prospecting: A NEW Rocker Box Build - Duration: 10:06. John Jacobs 8,502 views · 10:06.

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Gold Rocker Box - 911 Metallurgist

Sep 15, 2017 ... L. The handle, placed on the screen, although some miners prefer it on the body. When on the screen, ... The rocker or cradle, as it is sometimes called, must be manipulated carefully to prevent loss of fine gold. With the rocker, the ... In regular mining work, the rocker is cleaned up after every 2 to 3 hours, or.

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Early Gold Mining Methods - Sierra Foothill Magazine

Fortunately for the miners, gold has an unusual quality: it is heavy, and thus all early-day mining processes take advantage of this property. Another popular tool was the rocker or cradle, and indeed, this tool did vaguely resemble a child's cradle. Using a handle on the rocker to push it back and forth, the miner dumped...

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Small Mining - Rocker

Rocker. At least double volume of gravel can be worked per day with the rocker as with the batea (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 labour of washing is less strenuous, but whether panning or rocking, the same method...

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Mining Techniques of the Sierra Nevada and Gold Country

Isaac Humphrey is said to have introduced the rocker, or cradle, to the California gold fields as well. A rocker was simply a rectangular wooden box, set at a downward angle and mounted on a rocking mechanism, usually like the rockers on a rocking chair. At the top was a sieve, and at the bottom was a series of cleats,...

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Summary of Gold Mining in US

A good miner could barely handle 100 pans in a ten hour day. Introduction of the rocker or cradle, the “long tom,” and sluice boxes made of wood and some flat iron were the next improvements. The rocker is a crude gold concentrating machine that combines shaking motion of the pan with some features of the sluice.

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California Gold Mining Terms and Procedures - 1876

The cradle or rocker looks somewhat like a child's cradle, and is provided with two rockers. The instrument consists of a box about three and a half feet long, nearly two feet wide, and four inches deep. One end, which is open so as to allow the escape of water and earth, is lower than the other. Across this “cradle-box” two...

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Elusive Gold: Gold Mining Methods - California State Parks PORTS

An open box mounted on rockers that used water, the rocking motion and gravity to separate the gold from dirt. Rocker/Cradle. Operated by three miners. Long Tom. About 12 feet long; More efficient than the rocker. Courtesy California State Library. Long Tom. What other tools are the miners using? Courtesy California...

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Gold cradle construction & use - Gold Prospectors Association of ...

Has anyone prospected with a cradle? ... If you have the Season 1 Gold Trails box set, one of the extras is Kevin Building a rocker box. ... I build mine about 2 feet long and the drop should be about 1 and 1/2 inches per foot. the apron baffle inside the hopper needs to be sloped at about 30 degrees, most of...

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Using the Long Tom in Gold Mining | Actforlibraries.org

The Long Tom. 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...

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Methods of Gold Mining - Geology In

Nov 30, 2014 ... Rocker box. The rocker box, also called a cradle, uses a riffles located in a high-walled box to trap gold in a similar manner to the sluice box. A rocker box uses less water than a sluice box and is thus well suited for areas where water is limited. A rocking motion provides the water movement needed for the...

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You Can't Beat a Box (Part 1) - Bedrock Dreams

Jan 25, 2017 ... To the best of my knowledge the precursor of modern-day sluice boxes had its roots in American mining. Early gold strikes in the states of Xinhaiia, North and South Carolina, and Georgia produced the rocker box or miner's cradle which employed a riffle tray, something that every sluice box has. The rocker...

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The rocker, or cradle, form of placer mining enabled one miner to ...

Download this stock image: The rocker, or cradle, form of placer mining enabled one miner to handle more material than by simple panning. - BCE721 from Alamy's library of millions of high resolution stock photos, illustrations and vectors.

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Mining Methods - CalaverasHistory.org

Sep 25, 2010 ... Not surprisingly, miners from those regions were influential in providing information about mining techniques (largely by example) to the largely inexperienced miners of the early years of the Gold Rush (Brereton 1976, 286-302). These included use of the familiar pan (batea), cradle (rocker), long tom, and...

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Gold Rush Vocabulary

cradle, a rocking device used in placer mining for separating gold from rock and gravel; also called a rocker. color, any trace or sized particle of placer gold. coyote hole, a vertical shaft dug in loose dirt or gravel in the diggings. diggin's, the name given to placer mining places during the gold rush. dry diggin's, mining town...

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Cradle dictionary definition | cradle defined - YourDictionary

Mining a boxlike device on rockers, for washing the gold out of gold-bearing sand. Origin of cradle. Middle English cradel from Old English cradol from an unverified form kradula, little basket; akin to Old High German kratto, basket from Indo-European base an unverified form ger-, to twist, turn from source crank, cramp,...

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rocker-box - Bill and Linda's Prospecting

Bill's Rocker Box. It all began with some spare boards I had laying around and an idea I've had for some time. I've always wanted to build and try out a small rocker box. Rocker boxes have a sort of a romantic nostalgic lure about them. Whenever I think of gold prospecting the 1800's rocker boxes come to mind. So here is...

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Gold cradle - Home | Facebook

May 3, 2017 ·. HEY ALL YOU GOLD DIGGERS OUT THERE...COME IN A LISTEN TO THE NEW RADIO SHOW ON WED AT 9'00 EASTERN AND 6'00 O CLOCK WESTERN.... Goldprospectorsspaceradio:Gold Prospecting Talk Show. Goldprospecting and treasure hunting radio podcast site Gold prospecting Gold mining.

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Gold mining gear, the rocker - My Gold Rush Tales

Jun 20, 2011 ... 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...

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Rocker Box - iowagold

Rocker Box. This plan is reprinted from Information Circular 6786, "Placer Mining in the Western United States" by E. D. Gardener and C. H. Johnson. It was published by the US Bureau of Mines in September, 1934. Horizontal line. More gravel can be handled per man-day by rocking, or cradling as it is sometimes called,...

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Minig Technology during the Gold Rush - The American Experience ...

process in his journal entry from 1851 (the same year Miners in the Sierras was painted) makes it clear that this mining technology was already considered to be outdated: Mining implements had undergone a vast improvement since the days of my first experience in mining. Then we used a rocker or cradle; now the...

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Gold Mining | Nevada City California

Sluicing. Wet, ore-bearing gravels are shoveled into these long boxes. Sieves and riffles separate gold from the other materials. The Long Tom and Rocking the Cradle were variations of the sluice.

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Tools of the California Gold Rush During 1849 | Synonym

Apr 25, 2017 ... For the early gold-focused miners of 1849, gold panning was the way to acquire ore in a hurry, without all the fancy tools. According to ... Popular from the beginning of the gold rush and requiring at least two men to work, cradles and rockers were faster and more productive than panning. Dirt, sediment and...

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Gold Mining, prospector's "rocker" - Victorian Collections

Mar 3, 2017 ... This gold miner's rocker is very old, and very well-used. It is a large wooden rocking- box or cradle used by gold prospectors. A handle on the rocker is pushed back and forth, as gravel is put in.

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Australian gold miners rocking the cradle. | Tasmanian Gold Rush ...

History: Gold was found in Australia in 1851, it brought a lot of immigrants, mostly Chinese, to the land. It established economy as well as brought people other than the prisoners sent by Britain. Within 4 months after gold was found, more than 1,000 gold digger came to Ophir, the place where gold was found. Today, 24% of...

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Gold, Mining and Prospecting: How to Build a Gold Rocker Box:

Jun 13, 2012 ... It was also important during the Klondike Goldrush because the miners were able to use the rocker box on higher stream banks because it used far less water then the conventional gold pan. ... Labels: california, cradle, forty-niners, georgia gold rush, gold, gold pan, Gold Rush, rocker box, wooden box...

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Mining for Gold - Kidport.com

Mining with Long Toms (Source: Library of Congress). Once the easy gold was found, more inventive ways were needed to get gold. The Long Tom was an 8 to 20 foot rocker. Miners would shovel dirt into it, pour water over it, and rock it like a cradle. Lighter dirt and gravel was washed away,...

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Cradle - definition of cradle by The Free Dictionary

Define cradle. cradle synonyms, cradle pronunciation, cradle translation, English dictionary definition of cradle. n. 1. A small low bed for an infant, often furnished with rockers. 2. a. ... (Mining & Quarrying) Also called: rocker a boxlike apparatus for washing rocks, sand, etc, containing gold or gem stones. 11. (Printing...

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Rocker - definition of rocker by The Free Dictionary

Define rocker. rocker synonyms, rocker pronunciation, rocker translation, English dictionary definition of rocker. n. 1. One that rocks, as: a. A rocking chair. b. A rocking horse. 2. One of the two curved pieces upon which a cradle, rocking chair, or similar device...

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Rocking | Define Rocking at Dictionary.com

We're gonna rock this joint tonight! to use, wear, or display in a showy, self-confident manner or to great effect: Only you could rock that hat! The game rocks some amazing new features. 12. Graphic Arts. to roughen the surface of (a copperplate) with a rocker preparatory to scraping a mezzotint. 13. Mining. cradle (def 22).

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Rocker box - Wikiwand

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 rockers. The inside bottom of the box is lined with riffles and...

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Placer Mining Methods - 50 Mile Mining

Jul 14, 2017 ... When water is too shallow or unavailable to use a sluice box, the next best thing is a rocker. This device is also known as a cradle or dolly and it does exactly as the name implies. A shovelful of dirt is placed in the box of the rocker and with water added the entire unit is rocked back and forth – usually with a...

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Gold Mining

The pulverized soil was then processed through traditional mining techniques. Although effective, most Americans considered the process too slow. 4 The rocker or cradle. With one man to load water and soil and a second to rock it, this gold washing machine could process 200 bucketfuls per day. It is set on sloping ground...

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How the Early-Day Miners Sluiced for Gold - Gold Rush Nuggets

The old rocker box was a common throughout the gold country. They were particularly useful in areas that had limited quantities of water as they would use a rocking action to help process the gravel in addition to water flows. Rockers, also sometimes called cradle boxes, were one of the first types of portable placer mining...

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A REVIEW OF PLACER MINING TECHNOLOGY Susan Lindstrom ...

placed in the bottom of the device (Figures 2-3). For years, the rocker remained poular with itinerant Chinese miners, many of whom worked as gleaners in abandoned placer diggings. By 1850, the long tom began to replace the rocker. Daily capacity of the long tom is five times or more that of a rocker. The long tom consists...

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