February 2005 by Edgar B. Heylmun, PhDCarbonatites 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.
This article is about the Red Point Mine, which was a buried intervolcanic channel and a very rich one.
Heading north along Highway 49 into the central Mother Lode, the first old mining town in Calaveras County was Melones, located along the banks of the Stanislaus River. The town was named for the unique coarse gold flakes found in the gravels that resembled melon seeds, hence the name that came from the Mexican miners.
• Endangered Species Act reform
• Extremist groups blamed for catastrophic wildfires
• EPA revisists TMDL
• National Heritage Act seeks to take control of lands away from local government
The gold and copper deposits at Oyu Tolgoi, or “Turquoise Hill,” are among the largest ever found and could give impoverished Mongolia its biggest boost since it abandoned communism 15 years ago—if the Mongolians can figure out how to profit from it.
Q: ...A number of scientific studies have been done that concluded our level of dredging is “not” harmful to fish or habitat. I suggest that the Mining Journal list some of these specific studies with brief summaries and conclusions.
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