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Historic Mining at Mount Diablo, CA

Located in Contra Costa County in the East Bay region of the San Francisco Bay Area, Mount Diablo was the site of the largest coal mining operation in the state in the last half of the nineteenth century. The northern foothills of the mountain produced nearly four million tons of coal.

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Advantages of Modern Prospectors


Modern-day placer miners have many advantages over the prospectors of the gold rush days. Our prospectors can reap many benefits from accumulated knowledge of the last 100 to 150 years, which is a long and impressive list.

VMS Deposits in Central Arizona


Volcanogenic Massive Sulfide (VMS) deposits in the Central Arizona Precambrian volcanic belt occur within a felsic package of volcanic rocks capped by an exhalite unit comprised of cherts, iron formations and siliceous members.

Legislative and Regulatory Update


  • EPA ends "sue and settle"
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Basic Information About Gold Detectors


For those who rarely nuggetshoot, or are thinking about doing a little occasional nugget hunting, to buy a specialized gold detector may not be financially practical. Fortunately, a coin shooter with do-all capabilities, while it may not be as sensitive to sub-grain flakes, is satisfactory for many nugget hunting situations, especially if a smaller accessory coil is used.

2002 Inductees to the National Mining Hall of Fame


Seven legendary figures of American mining will be enshrined in the National Mining Hall of Fame in ceremonies on Saturday, September 7, 2002, at The Little America Hotel in Salt Lake City, Utah.

Oregon Dredgers Receive Threats From Environmentalists


Oregon dredgers have been receiving notices of intent to sue for violations of the Clean Water Act (CWA) from the Northwest Environmental Defense Center (NEDC).

Melman on Gold & Silver


As noted above, the “Ring of Fire” is an area of great potential mineral wealth located in the far northern Ontario Province of Canada. Many companies have sent in exploration and development teams…

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The Bawl Mill   • Over the Divide   • Our Readers Say   • Feds Eye Restrictions on AZ Archaeological Sites   • IMF Reconsidering Gold Sales to Finance Debt   • Governors Focus on Aid for Laid-off Miners   • Nevada Counties, Towns Get Forest Service Grants   • Labor Dept. Approves Aid to Laid-off Nevada Miners   • Company Notes   • ISEE Celebrates 25 Years   • Picks & Pans: Basic Dry Washing Operations in Gold Placer Mining   • Washington Miner Wins Poetry Contest   • Gold Coin Sales Boosted by Low Prices   • The Klamath Mountains   • Silver Posts Best Price in 11 Years—Strong Investment Interest and Steady Demand Cited   • Platinum—Group Metals   • Gold in the Drum Mountains   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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