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Mining Stock Quotes and Mineral & Metal Prices
December 1999 by Staff
East Coast Dredger Heads West - Part I
Prospectors east of the Mississippi have their share of gold bearing property to explore and prospect upon. There’s plenty of undiscovered gold on the bottoms of the creeks and rivers running through the eastern gold belt.
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits.
Searching for a Paying Hardrock Deposit
Quartz float rock is always intriguing. Where is the vein it came from if it’s still in existence, and is it carrying some gold? Because of the possibility of the quartz carrying some color, we are always looking, checking, detecting, crushing, assaying...
Court: Kennecott Eagle Minerals Application Complete
The Michigan Court of Appeals overturned a lower court ruling that had blocked the state Department of Environmental Quality from deciding whether to issue a permit for a nickel and copper mine in the Upper Peninsula.
Throw-Away Gold: Back to Basics
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.
Gangue Minerals - What Do They Tell Us?
There are a large number of different kinds of gangue minerals, and each of them has its own tale to contribute to the story of the chemistry and geology of a deposit.
Stillwater At Half Speed
Stillwater Mining Company’s East Boulder platinum and palladium mine is back in operation, with its staff cut in half...
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The Bawl Mill
• Over the Divide
• Our Readers Say
• Desert Phone Trashed
• ICMJ Elected Prospecting Magazine of 1999
• Advertising Manager Leaving ICMJ
• Guest Editorial—California "Special" Dredge Permits in Jeopardy
• The Search Continues
• Guest Editorial: U.S. Government—Like Nobody's Business
• Circulation and Collections Manager Leaving ICMJ
• Company Notes
• House Chair Requests Records on Forest Decision
• BLM Wants to Withdraw South Pass Public Land
• Silverton Preserving Lofty Symbol of Mining Era
• Hijackers Make Off With 660 Pounds of Gold
• Prospecting With a Magnetometer
• 1999 Tables of Content
• Lighting the Way Underground 1860-1940s
• Millie's Tailings
• Picks & Pans: Crevicing & Sniping for Placer Gold
• Looking Back
• Gold in Sonora
• Forest Service Boss Quits in Bull Trout Flap
• Melman on Gold & Silver
• European Gold Miners Seek Clarification Letter
• Squeezing Diamond Into Graphite
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