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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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Ask the Experts: Who manufactures the diagonal vibrating table?
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Q: Who manufactures the diagonal vibrating table?
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As part of the Hope-Sunrise Mining District, mining activity was at a frenzy in the area in 1902, when miners like Mr. S.W. Weible worked the gold rich gravels of Canyon Creek...and recovered $7,000 in gold dust.
As part of the Hope-Sunrise Mining District, mining activity was at a frenzy in the area in 1902, when miners like Mr. S.W. Weible worked the gold rich gravels of Canyon Creek...and recovered $7,000 in gold dust.
Mineralized Faults and Contacts in the Search for Gold
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Fault zones and rock contacts are important because the vast majority of gold and silver deposits, as well as those of many other metals, are formed by hot, mineralized water solutions.
Fault zones and rock contacts are important because the vast majority of gold and silver deposits, as well as those of many other metals, are formed by hot, mineralized water solutions.Ask the Experts
April 2012
Q: ...where would you recommend selling class rings and other scrap gold?
Q: ...where would you recommend selling class rings and other scrap gold?
The Bawl Mill
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• Down on the farm...
• Who you gonna call...
• Deceased still collect wages...
• Down on the farm...
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• Deceased still collect wages...
Guest Editorial—Sentaor Craig of Idaho Looking Into MSHA Complaints
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Citations and fines were found to be arbitrary and capricious...
Citations and fines were found to be arbitrary and capricious...
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The Bawl Mill
• Letter to the Editor
• Potaro District, Guyana
• World Gold Council Launches $3 Million Ad Campaign
• Prospecting With Color
• Prospecting for Platinum in Wyoming
• Picks & Pans: More Big River Dredging in Northern California
• A Changing Diamond Industry Looks to Canada for Growth
• History of Mining—Bradshaw Mountains, AZ—Part II
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
