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Prospecting on Pickering Bar
March 2007 by Don Robinson
On Saturday, January 27, 2007, six of us began a trip to Pickering Bar on the North Fork of the American River. It was 7:30 am and we had our engines running to begin the first leg of our two and a half hour trip to get there.
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.
California Diamonds
Most of the world's diamonds come from Africa and Australia, but several new discoveries in the United States and Canada have spurred interest.
Rediscovering Placerville, California
Several areas came to mind, but each was eliminated for one reason or another. One that seemed to be hanging on was the old historic mining town called Placerville.
Prospecting for Hardrock Platinum, Nickel & Copper Deposits
Recent sharp price increases for copper, nickel and platinum group metals (PGMs) have greatly stimulated exploration for these metals, and individual prospectors have made important discoveries of new deposits.
Fire Agate in Arizona
Agate, a banded form of chalcedony (cryptocrystalline quartz), has been used as a gemstone for over 7,000 years. Romans cut and polished agate, and this practice was taken to new heights in Germany in the 16th century.
Exploring Iron Oxide Copper Gold Deposits
The excitement over IOCG deposits began with the discovery of a monster deposit at Olympic Dam in Australia in 1976. The discovery was accidental as the operator was searching for strata-bound copper deposits.
Mining Stock Quotes and Mineral & Metal Prices
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