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Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
December 2000 by Jim Straight
Epithermal ore deposits are common in regions of late volcanic activity, especially areas associated with Miocene and later Pliocene extrusive volcanics that have not been deeply eroded since the ore was deposited. Many are simple fissure veins, but stock-works and ore-pipes are also common.
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Melman on Gold & Silver
June 2002
We are now seeing declines in gold followed quickly by rallies to new relative highs while powerful stock market rallies are met with aggressive new selling. Whether this pattern will continue into the future is debatable, but it certainly is a welcome background for the much-battered world of precious metals investing.
We are now seeing declines in gold followed quickly by rallies to new relative highs while powerful stock market rallies are met with aggressive new selling. Whether this pattern will continue into the future is debatable, but it certainly is a welcome background for the much-battered world of precious metals investing.
BLM Filing Requirements for Small Miners' Waiver
November 1999
If you file for a waiver of any kind, except under the provisions of the Soldier's and Sailor's Relief Act, you must file either a notice of intent to hold or an affidavit of labor by the December 30th immediately following the September 1st waiver filing.
If you file for a waiver of any kind, except under the provisions of the Soldier's and Sailor's Relief Act, you must file either a notice of intent to hold or an affidavit of labor by the December 30th immediately following the September 1st waiver filing.
Understanding Geologic Deposit Models
May 2008
Geologists have long noted the similarities of certain types of mineral deposits all across the globe. Similar minerals, similar country rocks, and similar grades of mineralization may occur in several different parts of the world.
Geologists have long noted the similarities of certain types of mineral deposits all across the globe. Similar minerals, similar country rocks, and similar grades of mineralization may occur in several different parts of the world.
Ask The Experts: Potential for developing magnesite deposit
March 2017
Q: What I would like to know is how to confirm if it is magnesite and the quality.
Mining Battle Case Under Advisement
October 1999
Two weeks of sometimes-heated testimony have ended in a case that pits Cyprus Amax Minerals against opponents who want to prevent the company from mining ore from a central Colorado mountain.
Two weeks of sometimes-heated testimony have ended in a case that pits Cyprus Amax Minerals against opponents who want to prevent the company from mining ore from a central Colorado mountain.
Looking Back
September 2002
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Miners Discuss Struggles at NWMA
January 2009
Falling metal prices and rising production costs have squeezed profits in recent months, forcing many mine layoffs and putting some new mines on hold. Now, the industry is gearing up for another fight over mining reform legislation with a Congress that has fewer mining supporters after November’s elections that saw Democratic majorities increase in both houses.
Falling metal prices and rising production costs have squeezed profits in recent months, forcing many mine layoffs and putting some new mines on hold. Now, the industry is gearing up for another fight over mining reform legislation with a Congress that has fewer mining supporters after November’s elections that saw Democratic majorities increase in both houses.
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The Bawl Mill
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• Company Notes
• Melman on Gold & Silver
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