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VMS Deposits in Central Arizona

Volcanogenic Massive Sulfide (VMS) deposits in the Central Arizona Precambrian volcanic belt occur within a felsic package of volcanic rocks capped by an exhalite unit comprised of cherts, iron formations and siliceous members.

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Ask The Experts — Please tell me more about the Tullock II rule.


Q: I read in the April 2006 ICMJ’s Prospecting and Mining Journal about the Tulloch II rule. I have not read anything on or about it since. Is there any more written about it? I would appreciate anything you could tell me.

Recent Prospecting in Plumas County


Plumas has been historically rich in gold because of its favorable geology. The Melones Fault trends north-south through the county and many rich gold-bearing districts lie along its course.

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Q: A few questions about claim markers, gold hunter test kits, and videos....

Oregon Miners File for Summary Judgment


On November 30, 2015, the Galice Mining District (with the support of the Waldo Mining District), along with several Oregon mining associations and individuals, filed a Motion for Summary Judgment against the State of Oregon and SB 838...

Judge Gives OK to Nevada Mining Tax Initiative


A proposed constitutional amendment to raise the cap on mining taxes can proceed as written, a state judge ruled March 14.

Basic Information About Gold Detectors


For those who rarely nuggetshoot, or are thinking about doing a little occasional nugget hunting, to buy a specialized gold detector may not be financially practical. Fortunately, a coin shooter with do-all capabilities, while it may not be as sensitive to sub-grain flakes, is satisfactory for many nugget hunting situations, especially if a smaller accessory coil is used.

Drywashing Rules Clarified


Carson Culp, Assistant Director of Minerals, Realty and Resource Protection for BLM, sent out an internal memorandum to all state BLM directors to clarify rules pertaining to gas-powered drywashers.

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The Bawl Mill   • Update: Forest Service Interim Rule   • The Guyana Highlands   • Prospecting with a VLF-Type Gold Detector   • Freegold Ventures' Golden Summit Project   • Picks & Pans: Working the Crevices   • Molybdenum   • 2004 California State Gold Panning Championships   • Company Notes   • Why Environmental Groups Prefer Kerry   • The French Mines of El Boleo   • Looking Back   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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