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Ask The Experts: How to remove precious metals from lead?
August 2010 by Thom Seal, PhD, PE
I have a large amount of precious metals, gold and silver, mixed in with lead. Cupelling is expensive. What method can I use to extract the gold and silver without cupelling?Gold in the Rattlesnake Hills
The Rattlesnake Hills (RSH) in central Wyoming had been overlooked for gold, even though it had all of the earmarks of being a major gold district.
Geobotany: Plants Associated With Mineral Deposits
Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.
Mining Stock Quotes and Mineral & Metal Prices
For a Few Specks of Gold
The gold at the Ruby Hill Mine is microscopic, specks of specks that amount to a few ounces in every 100 tons of rock. It is embedded hundreds of feet beneath the rocky floor of the high desert, tawny and stubbled with sagebrush, toothy ridges dusted with snow.
The Bawl Mill
• A true alarm clock
• No better time to roast a pig
• By the numbers…
Gold Placers in Italy
Gold is a fairly widespread mineral in the Italian Alps and in the Northern Apennines. It is found both in primary mineralization and in past and recent floods.
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The Bawl Mill
• Legislative and Regulatory Update
• Commercial Placer Mining With Jigs
• Ask The Experts: Bench Top Crushers
• How to Properly Ground Balance to Find the Most Gold
• Authorities Search for Lost Treasure Hunters
• Alaska Geologist Survives Grizzly Attack
• The Guaniamo Diamond Area, Venezuela—Part II
• How California Became the Golden State
• The Rocky Bar Mining District, Idaho
• Mining Stock Quotes, Mineral & Metal Prices
Free:
The Jenkins Mine Project—The Golden Rules of Science
• Melman on Gold & Silver
• ICMJ Again Matches Funds For PLP Donations
