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.
For the second year in a row the historic mining town of Foresthill hosted the California State Gold Panning Championships. The State Championships are sponsored by the Mother Lode Goldhounds, a California non-profit corporation.
This remote goldfield covers an area of over 13,000 square miles of the Savanna Gulf country of Far North Queensland, Australia.
Depending on the ore and if significant sulfides are present, a hard rock miner may be able to get away with simply using a flux to digest the other minerals that may be present.
We decided to check some spots that were pretty good to us on previous trips. The detector was deceptively simple with few buttons and auto-ground balance.
- He made quite a splash
- Even the Pony Express was faster than this!
- They say it’s “snot” a joke…
• How do I separate silver from lead ore?
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