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History of Oil in California
February 2001 by Edgar B. Heylmun, PhD
Oil is a naturally occurring combustible fluid of organic origin that is commonly found in California and in many other parts of the world.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
• San Bernardino National Forest Closure
• Interior secretary wants reforms to 1872 Mining Law
• Nevada drops lawsuit over mining regulations
• Environmental extremists sue over mine operation
Legislative and Regulatory Update
As mentioned in last month’s column, California Assemblywoman Lois Wolk attached a rider to the pending budget bill. The rider calls for a new study (Environmental Impact Report) on the effects of suction gold dredging, funding for the study, and a two-year moratorium on suction dredging while the study is being completed.
Prospecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
Dredging Tips and Tricks: T-80 Air Compressor Maintenance
The next morning, I retrieved the compressor and again attacked the sticky head bolt. As if by magic (and some applied physics) the head bolt sighed and finally broke loose.
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The Bawl Mill
• Our Readers Say
• The King Has No Clothes
• GATA Update
• Clean Fuel, Cleaner Air
• Gold Miners Become Tungsten Miners
• Mining Deaths Drop Overall in 2000
• VCIs for Environmentally Safe Maintenance
• Picks & Pans: Dredging on the Arkansas
• Placer Gold in Washington
• Alaska Miners to Sue Department of Interior
• Oregon's Measure 7 May Provide Compensation for Land-Use Restrictions
• Company Notes
• Environment-Friendly Dredging
• Legacy of the Wandering Jew Mine
• Babbitt Wants Moratorium in Siskiyou National Forest
• Gem Discoveries Sought in North Carolina Field
• Greaterville, Arizona
• Identifying Gold Ores
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
