History & Geology
Indicator Minerals for Gold & Silver
April 2011 by Chris Ralph

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.
Ancient River Channels of Trinity County
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Quartz: The Indicator of Gold
Quartz: The Indicator of Gold
One Question, Forever Unanswered—Did He Really Find the Gold?

Alluvial Paystreaks
The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.
Gold and Silver Deposits of Bodie, California
Bodie, California, in its heyday, was once rumored to be one of the roughest and most lawless towns in the American West.
The Ely Copper-Gold District of Nevada

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• Mining Claims—What to Know Before You File
• Prospecting Underground: Use Caution
• Small-Scale Concentrating and Recovery Methods
• 5th Circuit Ruling May Benefit Miners
• Mud Men: Pocket Miners of Southwest Oregon Part III
• Legislative and Regulatory Update
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Silver Mining Returning to Texas
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A New Look at Old Mines
• Proposed Regulations for California Suction Dredging