All Articles
Using Microbes for Mining
December 2004 by Staff
An innovative project enlisting bacteria for minerals recovery has drawn praise from researchers as it begins its second phase.
Looking Back
Excerpts from CMJ, our original title, published 50 years ago this month.
Gold Near Boulder, Colorado
Several mining districts near Boulder, Colorado mark the northeast end of the 240-mile-Iong Colorado Mineral Belt, which cuts diagonally across the Rocky Mountains.
Slug Gulch
Slug Gulch. What a name. It originates back into the 1860s or so. The question is whether it was referring to the snail-like creature or to large pieces of gold. The name alone is enough for any prospector to consider checking the area out.
Hecla to Reopen Lucky Friday Mine
Heclas’s underground Lucky Friday Mine in Idaho is scheduled to reopen following a series of accidents, which included the death of two miners.
Silverton's Gold
Within this area, about two million ounces of gold and fifty million ounces of silver have been mined. Faults, dikes, veins and fissures that carry the ore form a concentric radial pattern—like spokes on a wagon wheel—around the caldera core.
Drywashing and Detecting for Gold
It
’s important to pay attention to where you dig, because just like any placer, the gold in dry placers is concentrated in certain spots. This is especially true when you are testing and trying to determine the potential of a placer area.
There’s Still Gold In Oregon’s Umpqua River
The Umpqua River, located in the heart of western Oregon, flows for several miles nearly alongside Interstate Highway Five.
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The Bawl Mill
• Gold Diver's Closes Its Doors
• Geologist's Search for PGMs Leads to Mining Venture
• Diamonds in the Rough in Montana
• The Art of Finding Coarse Gold Part I—The Geology of Coarse Gold Formation
• The Carter and Reynolds Gold Mines: Is There a Yet Unknown, but Mineable Gold Deposit Here?
• Michigan House Committee Approves Sulfide Mining Regulations
• Surging Gold Prices Add Luster to Nevada's No. 2 Industry
• Ruby Hill Gold Mine to Reopen in Eureka
• The Skaergaard Intrusion
• Melman on Gold & Silver
• BLM Launches Mining Claim Records Viewer
• Newmont Welcomes Release of Executives
• The Baja Gold Rush of 1889
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
