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.
- Brother, can you spare a cell phone?
- Houston, we have a drug problem...
• "...just about more than I can stand."
• "I hope you can answer my number one question..."
• "...I still go out and mine a little at my old stompin' grounds in Siskiyou County..."
• "...New Prospecting Club in the Southeast."
• "...9 ounces...in two weeks."
• "...It's no secret..."
Residents believe doré bars landed in a snow-covered area as far as sixteen miles from the airport and some said they will be searching the area after the official recovery
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
Police are investigating the theft of five stones, valued by their owner at $128,000, from an exhibit at a Tucson gem show.The largest of the stones taken from the show was a 7-inch-tall pink tourmaline worth $85,000.
I believe that the continual imposition of Leftist concepts on an already economically overburdened world is a recipe for some future economic catastrophe...
The Forest Service is being criticized for spending $15,000 to rent a helicopter to empty sewage from a remote outhouse in northeast Nevada, work a citizens group had volunteered to do for free by using a closed forest road that the group wants reopened.
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