Prospecting & Detecting
Following Clues to a Hidden Gold Deposit
March 2012 by Don Robinson
Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Research and Fieldwork Yield Some Promising Gold
A week later, a small team of us hit it again, and this time the gold really showed up.
Prospecting Australia—Part I
The call of gold is a strong one and it has pulled men from every corner of the planet. That said, I guess it’s now my turn to chase far away gold.
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
Sierra County Gold—Part II
...we will continue our examination of the rich streams and mining districts, and then take a look at some of the big nuggets that have been found here.
The Hunt for Remote Canyon Gold
A large, 8-pennyweight piece popped out of a very small crevice where the water had been extremely swift in the winter, leaving no visible gravel.
The Pothole Patch
"Suh-wheet!" I exclaimed as I sprang to my feet and quickly pumped my detector coil high overhead to alert Smokey that I had just found a nugget.
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The Bawl Mill
• Ask the Experts: Set up a small portable operation or send the ore to a custom mill?
• Ask the Experts: Who manufactures the diagonal vibrating table?
• Ask the Experts: Do "corners" need to be in place on the ground for a claim to be valid?
• Ask the Experts: Tantalite in an African nation -- is it worth pursuing?
• Legislative and Regulatory Update
• How to Melt Your Own Gold
• Judge Tosses Lawsuit Against Tucson-Area Mine
• Salted Mining Properties—How to Properly Evaluate a Claim
• Fine Gold Panning Without Using Mercury
• Australia Produces World's Largest Gold Coin
• Fells Flat Gold
• Colorado Considers Gold & Silver Currency
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Revised Dredge Regulations Published for California—Pure Garbage
• Xmet Aims for One Million Ounces
