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Gold in Sonora
December 1999 by Edgar B. Heylmun, PhD
The state of Sonora, slightly smaller in area than Utah, lies in-northwestern Mexico, adjoining Arizona to the south. It is characterized, on the east, by a high volcanic plateau, the Sierra Madre Occidental, which forms its boundary with Chihuahua.Melman on Gold & Silver
It appears that market softness due to a slowing Chinese economy may already have affected precious and base metals quotes.
Legislative and Regulatory Update
• California Senator proposes locking up 2.5 million acres with "Wildnerness" designation
• Battle over the rights of people versus fish continues in the Klamath Basin
• Sound science or "fairy tales"
Company Notes
• Azco Mining Inc.
• Hecla Mining Co.
• Canyon Resources Corp.
• Royal Oak Mines
• BHP World Minerals
• Pacific North West Capital
Gold in Quartz
Because quartz and gold may be deposited together across a considerable range of temperatures, not all quartz veins are the same, and there are several different types of gold-quartz deposits.
Legislative and Regulatory Update
• ESA changes for the better
The Bawl Mill
• He did say he’d create jobs...
• Biofuels: More harm than good
• Turnpike employees get more than just a free ride
• A sinking ship...
Ask the Experts - what does MDB&M stand for?
Q: What does MDB&M stand for?
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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
• Forest Service Boss Quits in Bull Trout Flap
• Melman on Gold & Silver
• European Gold Miners Seek Clarification Letter
• Mining Stock Quotes and Mineral & Metal Prices
• Squeezing Diamond Into Graphite
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