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.
Paperwork Guy—A Cautionary Tale
I recently grew complacent, and it caused me to make a mistake that resulted in the loss of a mining claim. It brought my mining plans for the summer to a complete halt.
Fall Drywashing—Just the Right Time of Year
I could see lots of quartz, both loose on the hillsides and in the numerous small prospect diggings. There was a small gold rush here more than a century ago.
Following Clues to a Hidden Gold Deposit
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.
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
Placer Gold Deposits of New Mexico
While a large number of locations have yielded some placer gold, most of the state’s placer production has come from a few productive districts.
Revisiting the Rocker Box
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
Follow Up to "Just One More Time"
…the “One More Time” has turned into three more trips and each of the three has yielded more gold each time down.
Subscription Required:
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
Free:
Revised Dredge Regulations Published for California—Pure Garbage
• Xmet Aims for One Million Ounces
