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Extracting Gold from Rock – PBS: Public Broadcasting Service
We used mercury to actually extract the gold from the powdered rock. Gold, like most minerals, can be ‘dissolved’ in mercury to create what’s called an amalgam.
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How to Separate Gold From Ore | eHow.com
Separating gold from rock ore is a multi-step process that involves grinding the rock ore, creating a liquid solution, including additives to cause the gold to …
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How can i separate silver/gold ore from the hard rock it came …
Nov 15, 2009 · Best Answer: The first step is to have the ore assayed to determine the gold and silver content. Then, if it’s worth it, find someone who will buy your …
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What’s needed to extract gold from rock? – Yahoo! Answers NZ
MAGIC. no i dunno.. … First, the rock has to be melted. All the stuff that is not needed floats on top of the molten gold and can be skimmed off. … First, a gold …
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Rock Crushing methods and How to recover gold from Ores
Here is a discussion of the procedures to crush Quartz or other minerals and extract the gold from these rich … processing large quantities of hard rock …
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Extracting gold from rock – OpenLearn – Open University
Information on how to extract gold from rock … Information on how to extract gold from rock, one of the scientists’ challenges on the BBC/OU series Rough Science 3
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Hard Rock Mining Gold and Silver Ore and processing it
Information on Gold and Silver hard rock ores: … well as the equipment to crush and process hard rock ore in order to extract the gold from its solid rock …
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How to Extract, Separate & Refine Gold | eHow.com
Finally you will separate the gold from other… money section. Saving & Spending. Budgeting; Banking; Credit; Cards … Viable methods include hard rock mining …
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How to Extract, Separate & Refine Gold | eHow.com
Finally you will separate the gold from other… money section. Saving & Spending. Budgeting; Banking; Credit; Cards … Viable methods include hard rock mining …
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Yahoo! Answers – What’s needed to extract gold from rock?
First, a gold-bearing rock structure. Second, sodium cyanide n solution, to be injected underground. —– Or, alternately, crushed gold ore, to be treated in batches …
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How do you extract Gold from hard rock What is the best format …
Answers.com > Wiki Answers > Categories > Science > Chemistry > How do you extract Gold from hard rock What is the best format to do alluvial gold extract How …
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how to separate gold from stone,separate gold from stone plant …
« Hard rock processing plant for sale gold plant production process,gold processing plant machine » … how do you separate gold from rock;
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How to separate gold from solid rock? – Yahoo! Answers
Jul 26, 2009 · Best Answer: Gold is extracted from ore by first pulverizing it then pour either mercury or cyanide over it. You collect the mercury or cyanide and then …
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How do you separate gold from rock using heat – The Q&A wiki
The sample mill is used to crush rock samples before testing for gold. It is powered by a petrol motor for portability. A sample is placed in the hopper which feeds …
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How to Extract, Separate & Refine Gold | eHow.co.uk
How to Extract, Separate & Refine Gold. … and then take on the challenging work of extraction — likely by hard rock mining or the dredging of rivers or lakes.
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Gold mining – Wikipedia, the free encyclopedia
Using a sluice box to extract gold from placer deposits has long been a common practice in prospecting and small … Hard rock gold mining extracts gold encased in …
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extracting gold
Hard rock gold mining is done when the gold is encased in rock, rather than found as particles in loose sediment. … Information on how to extract gold from rock, …
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How do you separate gold from other substances
How do you separate gold from other substances? Blah W. … But this one is tough since gold is hard to dissolve and many other materials dissolve easily.
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Otago Gold: Hard-rock mining, Geology Department, University of …
This is typical of Otago hard-rock gold, and is extremely difficult to extract. A 10-stamp battery (5 metres high) in the Shotover valley. These large and …
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Gold Quiz: From Nuggets to Flecks | LiveScience
Which chemical is used to separate gold from rock? Hydrogen peroxide. Diet Cherry Vanilla Dr. Pepper. Cyanide.
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