All Articles
Carbonatites
February 2005 by Edgar B. Heylmun, PhD
Carbonatites are rocks that formed from molten calcite or dolomite. The thought of calcite being molten lava is difficult to accept, but it was confirmed when it poured out of a vent in Tanzania in 1960.Guest Editorial—California "Special" Dredge Permits in Jeopardy
by Dennis J. RaffExecutive Director,
Horseshoe Bar Action & Research (HBAR)
Picks & Pans: The Ten-Pennyweight Nugget
It was June 6th, 1999 at 7:00 am when I started hiking to the river with my final load of dredge equipment. Hearing the flow of water in the South Fork of the Yuba River and the call of birds up and down the canyon, I added some whistles of my own just to annoy the nearby birds.
Four Arrested for California Mining Museum Heist
Four men believed to be responsible for a September heist of about $1.3 million in precious gems and gold from a mining museum in the Sierra Nevada foothills have been arrested, the California Highway Patrol (CHP) said.
The Bawl Mill
• A hot deal
• Backword logic punishes Seattle businesses...again
Growing Pains of the Learning Curve
Interestingly enough, when I first started to think about writing this article I was listening in on a conversation my wife was having with our nine-year-old twin boys. Just to add some clarification to the subject, I spend a large proportion of my time out in the...
A New Look at Old Mines
Exploration companies are actively looking for properties with profitable potential, even if the ground was once cast off as too low in grade to be economically viable. This is especially true in states that are reasonably friendly toward...
Understanding Large Gold Deposit Types: Discovering New Mines
The other opportunity that I see is in seeking unusual types of deposits. Specifically, the prospector would be searching for the stuff no one (or almost no one) is searching for. These deposits are effectively hiding in plain view.
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The Bawl Mill
• Shortage of Mining Engineers Projected
• Ex-MarketWatch Mining Promoter Settles Charges
• Sage-Grouse Listing Denied
• The Art of Finding Coarse Gold—Part III
• Tongass Approves Kensington Mine Plan
• PLP Interim Rule Raffle
• California Miners Locate Rich Pocket of Specimen Gold
• The Lucky Shot Mine
• BC Premier Heralds "Golden Decade" in Forestry and Mining
• Drywashing for Eluvial Gold in the Desert—Using a Portable Drywasher and Hand Tools
• Claim Filings Up in the Northwest
• Canadian Officials Foresee Little Impact From Mine
• Coeur d'Alene Mines Sees Future in Bolivia
• The Golden Highway—Nevada County
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
