what are the types of placer gold mining yahoo answers

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Ruby (Gemstone) Has to wear in Gold or ... - Yahoo Answers

Jan 02, 2011 · Ruby rings settings are mounted in three types of metal: yellow gold, white gold, and platinum. Ruby is the birthstone for July, a very regal month since the Leo is the king of the zodiac. 1 1

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How Is Gold Made ? | Yahoo Answers

Mar 22, 2008 · Gold is generally found in two types of deposits: lode (vein) or placer deposits; the mining technique used to extract the gold depends upon the type of deposit. Once extracted, the gold is refined with one of four main processes: floatation, amalgamation, cyanidation, or carbon-in-pulp.

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By-products of mining gold? | Yahoo Answers

Jun 10, 2012 · Favorite Answer. Large copper mines, such as the Bingham Canyon mine in Utah, often recover considerable amounts of gold and other metals along with copper.

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what are the roles of magnetic methods in prospecting of

Mar 31, 2008 · Gold mining consists of the processes and techniques employed in the removal of gold from the ground. There are several techniques by which gold may be extracted from earth and rock: 1. Gold Panning. Gold panning is a mostly manual technique of sorting gold. Wide, shallow pans are filled with sand and gravel that may contain gold.

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Peridot: Mineral information, data and localities

The origin of the name peridot is uncertain. The Oxford English Dictionary suggests an alteration of Anglo–Norman pedoretés (classical Latin pæderot-), a kind of

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where can i mine gold for free? | Yahoo Answers

May 31, 2008 · I can tell you I saw one episode about Arizona it's loaded with gold more than the US has in it's reserve and more The US does not allow commercial mining public or government. But one person is allowed to take what they find they said the sonoma river is loaded and you can even walk just about anywhere and spot a piece on the ground or better

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What is the story behind "Klondike Gold ... - Yahoo Answers

Aug 17, 2006 · Henderson told George Carmack about where he was mining and that he did not want any "damn Siwashes" (meaning Indians) near him. The group then headed a few miles up the Klondike River to Rabbit Creek, now Bonanza Creek to hunt moose. On August 16, 1896, the party discovered rich placer gold deposits in Bonanza (Rabbit) Creek.

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Colorado Gold Rush | Articles | Colorado Encyclopedia

Bill Chappell, “EPA Says It Released 3 Million Gallons of Contaminated Water Into River,” The Two-Way, NPR, updated August 14, 2015. “The Colorado Gold Rush,” Western Mining History, July 16, 2009. “Colorado Mine Tours & Gold Rush Towns,” Colorado.com, last updated June 9, 2015. Duane Smith, The Trail of Gold and Silver: Mining in Colorado, 1859–2009 (Boulder: University Press of

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Everyday Life in California, 1850s-1890s — Calisphere

An African American man identified as “Andy” stands working at a sluice box in Auburn during the Gold Rush. Another miner works the “rocker” in Tuolumne County. The photo identified as “Feeding the Teams” shows the men, horses, and equipment involved in mining during a

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Gold mining - science homework? | Yahoo Answers

Oct 02, 2011 · Gold from mining is the major source and it is usual to crush the granite or other rock so the gold can be removed by treating the crushed rock with cyanide or mercury which dissolve the gold and the gold is removed from the solvent with the solvent being recirculated.

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Placer Gold vs. Lode Gold (and how to find it!

Gold is gold, so there isn’t necessarily a better type of gold. However, mining for lode gold has many more challenges that mining for placer gold. Placer gold mining is much easier. The gold is already separated from the rock, and gravity has concentrated the gold into creeks and rivers where it is more easily accessible.

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what is electro-refining ? | Yahoo Answers

Feb 29, 2012 · Electrorefining is a method for purifying a metal using electrolysis. An electric current is passed between a sample of the impure metal and a cathode when both are immersed in a solution that contains cations of the metal.

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Pike's Peak Gold Rush in Colorado. Mining History

Prospectors on their way to the California Gold Rush discovered gold deposits along the South Platte River in Colorado. Little attention was paid to this gold discovery, but nearly 10 years later, the Pike's Peak Gold Rush was on, and thousands of men headed to Colorado in search of their fortunes in gold.

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Placer Mining Methods PLACER GOLD RECOVERY METHODS

A lone prospector with a gold pan can verify the existence of a placer gold deposit in a short period of time. Small placers are also relatively easy to mine, and the ore usually requires less processing than ore from lode mines. The same holds true for large placers other than drift mines. To-day, placer gold production comes from the dredge

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what type of rocks is gold found in? | Yahoo Answers

Sep 03, 2010 · In the California Gold Rush in 1849, the gold was initially found in black sand found in river bends. Gold is most commonly found in quartz, which is generally smoothe and white(white /clear). If

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paning for gold? | Yahoo Answers

Sep 15, 2007 · my girl friend and i have developet a real introest in paning for gold my family owns a large ranch on the pembina river near drayton valley , alberta neather of us know much about gold mineing but realy enjoy the time we spend doing it my father says there is supposed to be alot of gold in the pembina due to the fact it is such a old river i guess we have had the ranch in the family now for

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are gold nuggets pure gold? and how many ... - Yahoo Answers

Jun 03, 2011 · Gold Nugget Varities: 1. Nuggets in laterite (ironstone): This is the most common type, the result of chemical weathering and deposition. These nuggets are high purity as they form very near the surface, and the ironstone erodes out of them. Those actually

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best streams or rivers to pan for gold ... - Yahoo Answers

Jan 08, 2011 · Gold mining in Ontario is sub-surface, meaning that the whole operation is under ground, with deep vertical shafts, down to 4,000 feet in depth. It is all drill and blast, hard rock mining.. Placer mining, in streams, in just about nonexistent in Ontario. Placer mining is more likely to be found in the Yukon or NWT rivers. A long drive to pan

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How to extract Gold, Platinum, Rhodium ... - Yahoo Answers

May 08, 2008 · In the mining business, we usaully don't look at anything unless there's at least 10 million tons, but for an indvidual hobbyist a few kilo's could be interesting. If the gold and platinum are "free" (IE, not tied up with refractory minerals like arsenopyrite), by far the simplest way to separate gold and platinum from black sand is by gravity.

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Choosing a Location To Pan For Gold - Lucky Panner

The two minutes it takes to give them a call may reveal whether or not gold panning is allowed. Something else that you'll have to be aware of when searching for a location to pan for gold is if it's already been claimed. People and businesses can purchase gold placer claims on land that entitle them to any and all gold found within the ground.

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