hydraulic mining sluices

Hydraulic mining - Wikipedia

Hydraulic mining had its precursor in the practice of ground sluicing, a development of which is also known as "hushing",...

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hydraulic mining | Britannica.com

Hydraulic mining encompasses hydraulicking, sluicing, and educing. Hydraulicking is the process of breaking up material and suspending it in a slurry. This is...

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Hydraulic Mining, Mining Techniques, Underground Mining, Copper ...

Hydraulic mining, or hydraulicking, is a type of mining that uses water to displace ... Instead of working with pans, sluice boxes, long toms, and rockers, miners...

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Hydraulic Mining Methods

Flume for hydraulic mines. ." . ..... Prior to mining S placer deposit by hydraulicking, it is im- portant to ... side to side of a channel, it is best to sluice the entire spoil.

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Hydraulic Mining. Historic Gold Mining Methods of California

Most of the early placer mining was done by individuals or small groups of men who would shovel material and process it through sluice boxes or other...

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Hydraulic Mining, The Series, Part 1 - YouTube

May 20, 2011 ... Part 1 of the Hydraulic Gold Mining series. Featuring the devastation of the 1800's Hydraulic mining operations. A first hand look at an old sluice...

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Hydraulic Gold Mining - YouTube

Dec 21, 2012 ... Actually there is a sluice box on the west bound side & it's part of the Hydraulic mine tour that is set up in the rest area. Watch the rest of my...

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Hydraulic Mining - RitchieWiki

Oct 14, 2009 ... Hydraulic mining is also treated as a variation of ground sluicing since loosened debris and water gets washed down through a channel or...

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Monitors - Water Cannons of Hydralic Mining - Sierra College

Hydraulic mining was a variation on ground sluicing where the water delivered to the site would be shot through a nozzle at high pressure onto the face of the...

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Hydraulic Mining - 911 Metallurgist

ENTER our Mining Equipment' Store. We Sell EQUIPMENT for all types of Mineral Treatment...

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What is Placer Gold Mining? - Yukon - Charley Rivers National ...

Unlike hardrock mining, which extracts veins of precious minerals from solid rock, ... As an alternative to building lengthy sluice boxes on site, some early placer...

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Hydraulic mining leads to historic environmental decision - The Union

Mar 22, 2014 ... progressing to pans and finally sluice boxes, miners soon found diverting streams would process gravel more rapidly yielding better chances at...

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THE EQUIPMENT AND MACHINES - THE CARIBOO GOLD RUSH ...

Miners used many different methods and equipment to wrest the gold out of the ... band together, they would build other equipment such as sluice boxes, and flumes. ... The quickest way of mining gold from hills was the use of hydraulic mining,...

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Summary of Gold Mining in US

Introduction of the rocker or cradle, the “long tom,” and sluice boxes made of wood ... With the advent of hydraulic mining, water companies became big business...

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Hydraulic Mining in Arizona - Mining Foundation of the Southwest

with miners who are taking out gold with arrastras, sluices, and the hydraulic process."21. Companies continued to move into the district;. Smith and Marcutt in...

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Digging for Gold - The New 49ers

A “sluice box” is a trough-like gold recovering device which has a series of .... Since the time of large-scale hydraulic mining, there have been several occasions...

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Mining Methods - CalaverasHistory.org

Sep 25, 2010 ... As the years passed, more elaborate methods of placer mining (river mining with dams and water-driven pumps, ditch-fed sluicing systems,...

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Potential Gold at Old Hydraulic Sites - October 2013 (Vol. 83, No. 2 ...

The high pressure water broke up the gravels and washed them into sluices where the ... Normally the biggest capital cost in building a hydraulic mine is the...

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Mercury Contamination from Historic Gold Mining in California

At hydraulic mines, placer ores were broken down with monitors (or water cannons, fig. 1) and the resulting slurry was directed through sluices and drainage...

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Hydraulic Mining - CPRR Photographic History Museum

Hydraulic mining uses jets of water to break down gold-laden gravel banks and to wash the material through gold-separating devices (sluices and...

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Gem Mining Sluice - Squire Boone Caverns

This was the rallying call of the gold miners who were on their way to California ... panning gave way to cradles, Long Toms, sluices and finally hydraulic mining.

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Turning Water to Gold | History | Smithsonian

Placer mining, panning on a grand scale, uses sluices and flumes to separate gravel and gold. Hard-rock mining tunnels into the earth to extract gold ore from...

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Sluice | Define Sluice at Dictionary.com

Also called sluice box. Mining. a long, sloping trough or the like, with grooves on the bottom, into which water is directed to separate gold from gravel or sand.

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Hydraulic Mining - Yuba-Sutter - LocalWiki

Hydraulic mining represents the middle of three main phases of the Gold Rush. ... the earth and debris being carried away by the same water, through sluices,...

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Placer Mining History | The Hanging Flume

The Hanging Flume was built to hydraulic mine the placer deposits at the Bancroft ... was blasted out of the earth, the placer rich water flowed over a sluice box.

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the chinese and hydraulic mining in the far west - Mining History ...

excavate and wash the gravel through sluices that caught the gold and ..... the Chinese performed at s:ome hydraulic mines was to carry away the large boulders...

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Table Mountain Cherokee Hydraulic Mining District - - Insure Me Kevin

Sep 14, 2013 ... The second largest gold producing hydraulic gold mining district was ... from the mercury laden sluices forced most hydraulic mines in the.

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Calisphere: Environmental Impact in the Gold Rush Era

View all. The Dumps, Tailings and Tail of Sluices. Rare early gold-mining view in Calif[ornia]. American River mining country, Placer Co. Hydraulic Mining. 1860.

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There's Gold in Them Thar Hills: Techniques - Montanakids

Placer mining is done several ways, but it basically involves searching for loose gold flakes ... Cleats were put on the inside bottom of the sluice to catch the gold.

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T29 Great Hydraulic Mining Debate.p65 - Save The Bay

During the Gold Rush, hydraulic mining was used to wash .... hillsides. The water and dirt from the hillsides were then directed down through sluices. Sluices.

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Cornish Miners and 49ers—the History of Gold Mining in California ...

Mar 12, 2017 ... Evolving Technology was Applied to Placer Mining ... The way they worked was similar to the simple sluices the the 49ers had used; gravel and...

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Gold Mining | Nevada City California

Placer deposits originated in lodes but have been moved over the centuries by erosion and weathering. They are mined by panning, sluicing or dredging.

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Federal Control of Hydraulic Mining - JStor

Hydraulic mining, of itself, is and always has been recog- nized as a legitimate ... moved by these streams of water into and through flumes, sluices and other...

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Big Creek Mining Complex - Forest Service

Hydraulic Mining - aka hydraulicking, uses high-pressure jets of water to dislodge and move gold bearing deposits to a series of sluice boxes. Used in the...

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Alluvial Gold Mining

In the early days prospectors used water guns or hydraulic monitors to wash the sides of creeks and in some cases whole hill sides down and through a sluice...

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polar star mine tunnel polar star mine tunnel - Environmental ...

and sluice box wood from the Polar Star Mine (PSM) tunnel. The Polar Star Mine is an aban- doned placer gold mine where hydraulic techniques were used to.

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Bear River Awakening - Mining

Water companies grew with the gold companies, and the whole river was diverted for one purpose: the profits from hydraulic mining. Miners used sluice boxes...

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10.9 Hydraulic mining gravel pump mining

Open-Pit Mining of Heavy Mineral and Precious. Surface Mining Extraction Metal .... Sand-pump hydraulic mining operation with sluice separation. Source: Gast.

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BC Placer - Some Basic Rules

Acceptable Practices for Hand Mining in British ... When using a sluice box or highbanker, all placer mining activities,...

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History: Hydraulic mining giants at work | SummitDaily.com

Oct 29, 2016 ... In the late 1800s and early 1900s, hydraulic mining prevailed on the steep slopes of American Gulch. A system of ditches and sluices,...

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