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The Other Minerals of Mt. Diablo
January 2000 by Richard H. Peterson, PhD
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.The Fort Knox Mine—1,200 Ounces a Day
In years past, it was a long, mosquito infested walk through these hills, not only as a youth but also as an enthusiastic gold prospector and explorer in search of old gold mines and lost paystreaks. Hours were spent going through...
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.
Exploring La Trinidad Mine
This was a trail for a mountain goat. It was wide enough for a person to travel, clear enough except for lots of broken shale, but steep, really steep. I was beginning to question my sanity as the eight of us dropped almost 1,200 feet down the mountainside in order to locate La Trinidad Mine. Just as it seemed we might have missed it, there it was in all its glory.
Legislative and Regulatory Update
• Oregon dredging bill defeated
• California bill would exempt dredgers from permitting
• Possible ESA listing
• Washington State tries to impose more fees on miners
Electra Gold Sees Potential in Other Minerals & Metals
One of the particular features of these alumina silica ore bodies is that they are generally visible from the surface, unlike like gold and silver that are generally hidden and can require an immense amount of exploration and development.
The Bawl Mill
• "Fast and Furious" investigation slowly moving forward
• EPA needs to be held accountable
Melman on Gold & Silver
Clearly, the single-most important reason for the latest decline in gold is the recently announced auctions by the British Central Bank. However, other news stories this past month also had negative implications for the yellow metal.
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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
