Prospecting & Detecting
Rediscovering Placerville, California Part II
March 2011 by Don Robinson
To get to the gold, the miners had to remove the shale pieces and stack them on the sides while sluicing the remaining material through their boxes.Selectable Frequency vs Multi Frequency Detectors
I like to think in terms of “conductive mass” because it is a combination of both the conductivity of the metal and the size of the target that determine how a detector sees conductivity.
Detecting Wet Ground Yields More Fun Than Gold
We all continued over to another location at the top of a massive placer operation. Arriving at the draw, I showed everyone where gold had been found before and we all began detecting.
Prospecting for Pegmatites
…in some cases pegmatites have produced individual mineral crystals that are enormous, attaining lengths of over 40 feet long, and many of the world’s largest mineral crystals are examples that were found within pegmatite deposits.Just Another Ordinary Weekend
There was no evidence that anyone else had ever worked this gully with the exception of some old sample piles near the foot of the ravine.Determining the Amount of Gold in Rich Ores
This is just the type of specimen that could have been easily ignored by the old-time miners. It felt a little heavier in my hand than a chunk of quartz of that size ought to have been.
Prospector's Guide to Rock Breaking and Blasting
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
Contrary to Rumors, Couple Will Keep the Saddle Ridge Hoard
Some media outlets have speculated the hoard of coins came from a theft at the old US Mint in San Francisco that was reported in 1901.
Subscription Required:
The Bawl Mill
• So You Want To Be A Full-Time Prospector?
• Ask The Experts—Do I still have rights to this mining claim?
• Ask The Experts—What is a "closed" claim?
• Eastern Arizona: Gold and Base Metal Deposits Part II
• Prospecting With The Help of Fluvial Geomorphology
• Oregon Anti-Dredging Bill
• Mud Men: Pocket Miners of Southwest Oregon Part II
• The Gold of Plumas de Oro
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
2011 Gold Prospecting & Mining Summit April 23-25 in Placerville
• Legislative and Regulatory Update
• Cue Resources Seeks Uranium in Paraguay
