Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
December 2000 by Jim StraightEpithermal 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.
How Long Does It Take to Find and Recover An Ounce of Gold?
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
EPA Recommends Against Reissuing Permit for PolyMet Mine
PolyMet contends the project will actually reduce mercury and sulfate discharges into the St. Louis River watershed because it will clean up an old iron mining waste pond at the processing plant site.
Legislative and Regulatory Update
• Some good news for a change
• New 49ers win Karuk appeal
• Another Oregon bill of concern
Our Readers Say
At the state level, there’s a possibility that California Governor Newsom could be removed and replaced during his upcoming recall election, which will be held in September.
• Royal Gold, Inc.
• Placer Dome, Inc.
• Homestake Mining Company
• African Metals Corp.
• Vista Gold Corp.
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