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.
• Great at escaping, not so good at evading...
• Free firearms training classes...for teachers
This past summer, a two-week adventure in Alaska and other gold prospecting trips turned out to be some of my greatest life experiences.
Perhaps no one factor has caused more confusion in the search for ore than the attempt to use color as a guide to prospecting. Yet, there is a reason for every color seen in rocks, so it deserves to be noted.
- “Pensions before Honesty. Great slogan.”
- An untimely death…
The coming election...
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.
• Big win by a California suction gold dredger
• Administration locks up another popular gold mining area
• BLM creates de facto wilderness without Congressional approval
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