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.
Australian Gold Adventure
I had my heart set on finding a large nugget on this trip, and it seemed to me that pounding known patches was not likely to turn up a monster. Inevitably I would spend at least half my day wandering off...
Detecting Old Ground Sluice Locations
Ground sluicing, surfacing and scratching are a few names given to the recovery of gold in shallow areas. Where I live, the hills are dotted with small surface diggings.
Refractory Gold Processing
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
Revisiting an Old Mine in Idaho Reaps Rewards
Our research indicated this whole area had been claimed by Newmont mining company for several years, but when the price of gold dropped they let the claims expire, and we confirmed this with the local BLM office.
A Few Tips and Tricks for Beach Mining
When you think about the extremes to which a miner will go to get a little gold, it occurred to me beach gold could be "easy pickings."
Reading A River: Understanding Erosion and Gold
Rivers are not just random and accidental; streams and other drainages are what they are because of the forces of erosion acting on the bedrock.
The Summer of ‘81
When it was all setup and running, you had everything coming off the dredge riffles into the boil box. At the hole section, some of the water got sucked down and pulled a lot of black sand and over heavies…
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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
