Professional Equipment for Serious Detectorists!

Magazine

All Articles

The Other Minerals of Mt. Diablo

Although it is now known that Mount Diablo, located in Contra Costa County in the East Bay region of the San Francisco Bay Area, was the site of the largest coal mining operation in the state during the last half of the 19th century... this majestic focal point... also was the source of other minerals.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Where to Start: Advice for the Beginning Detectorist


Gold can show up in unexpected places at times, so I don’t like to tell people where not to look. An exception is where the gold is likely to be very deep.

The Bawl Mill


  • Ex-husband has money to burn
  • Define “emergency”…

Legislative and Regulatory Update


• Senator Reid fails mining industry
• Change you can believe in

Humble Beginnings


Right away I got a target, and it ended up being gold from a nice little bench. With only an hour left of daylight, I continued heading upstream and found five more tiny pieces of gold with my VLF…

The Bingham Canyon Copper Mine


While the current mine plans forecast an end of mining in about 2019, Bingham Canyons’ future remains bright. Company officials are looking at an expansion that, if approved, will extend the mine life until about 2036.

Detecting in the Outback


I have always enjoyed finding things. As a kid and up through college I searched for arrowheads, rocks and fossils. One day I saw an ad for a metal detector in a magazine, and a week later I was digging up everyone’s yard...

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

Subscription Required:
The Bawl Mill   • Over the Divide   • Our Readers Say   • Letter from the Editor to our Readers and Advertisers   • Administration Considers Bypassing Congress   • First Woman to Draw Mining Pension   • Small Mine Selective Blasting   • Mohave Mountain Placers, Arizona   • High Court to Reconsider Wilderness Water Rights   • Sixteen to One Takes on MSHA   • Picks & Pans: Gold Mining on Joie Osgood Ranch   • Gold   • Company Notes   • Millie's Tailings   • Placer PGMs in Alaska   • Mogollon—New Mexico's Remote Gold Camp   • ICMJ 9th Annual Photo Contest Results   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

Free:
Legislative and Regulatory Update

Advertisements

Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue