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PGMs in California

The occurrence of platinum-group metals (PGMs) is rather widespread in California in placer deposits, but they are not of commercial interest as things now stand.

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MMAC Update


... officials with BLM have been impressed by MMAC’s professional approach and consistency.

Lamproites and Diamonds


Most prospectors are aware that diamonds are sometimes found in kimberlite, but few are aware that diamonds are also found in another rock type known as lamproite. Lamproite is a very rare volcanic rock that often...

Small-Scale Hard Rock Mining With Water Recycling


Once I have established the presence of gold in the sample, I collect five-gallon bucket quantities of the rock material for processing back at my shop.

Route Planning Using GPS


My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.

Legislative and Regulatory Update


• California suction gold dredging update
• Governor opposed to Arizona lands withdrawal
• BLM locks up lands in Nevada

Company Notes


• Great Basin Gold
• Hecla Mining Company
• Newmont Mining Corp.
• U.S. Gold Corp.
• X-Cal Resources Ltd.
• Pan American Silver Corp.
• Corner Bay Silver Inc.

Search for the Legendary Sierra Azul


One of the most unique mining stories to derive from the days of the Spanish conquest of the Southwest is the legendary story of the Sierra Azul, or “Blue Mountain” of Arizona. The first reports of what some historians maintain is nothing more than mere myth, came in the middle of the seventeenth century, and it survived as a frontier tradition into the nineteenth century.

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Legislative and Regulatory Update

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