Prospecting & Detecting
Detectors Versus Pans
November 2010 by Don Robinson
Mike scored the best with a total of one-half ounce of gold nuggets. Tom, Brian and Greg each had pieces in the one and a half pennyweight range. The rest of us had small gold and nothing like these three.
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
Dredging Tips and Tricks: A Measure of Water Pump Efficiency
…as an academic argument, when mated to the appropriate engine, is the pump really moving water at the rate of 400 GPM?
Dredging Backwards?
Before I tell you what dredging backwards is, I’ll tell you why my team and I decided to give this very unconventional dredging method a try.
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.
Alaskan Gold Adventure
In Chicken I had my first experience with the famous Alaska blue clay, sometimes called the blue layer. The blue layer is where the best fine gold was to be found.
Route Planning Using GPS
My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.
Sniping for Gold—The Next Best Thing to Dredging
I poked my head out of the water and said, “You won’t believe what I am going to show you!”
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• The Jenkins Mine Project, Conclusion—Recovery Operations & Summary
• Gold of Plumas County
• Recent Prospecting in Plumas County
• Prospecting for Nickel Deposits
• Detecting My Way Across Australia—Pt II
• Check The Box For Tax Savings
• Mining Stock Quotes & Mineral and Metal Prices
Free:
Undiscovered Placer Deposits in Alaska
• Melman on Gold & Silver
