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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.
Picks & Pans—Drywashing and Detecting in Southern California
The late George Elwood, of Johannesburg, California, was well known for helping anyone in need. As a matter of fact, I originally met George when he went out of his way to help me with a flat-tire problem.
Melman on Gold & Silver
It was not hard to find negative news during the past month, not hard at all. We were overwhelmed with continuing stories of the Israeli-Hezbollah conflict, which took place in southern Lebanon, and Israel remained at war with Hamas in Gaza.
A Practical Approach to Dowsing
The use of dowsing methods to locate underground minerals and materials has been a rather delicate subject for some time. A certain stigma has been automatically attached to both the methods employed and the persons who use these techniques.
The San Juan Mountains, Colorado
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
Using A Trommel For Placer Processing
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
Demand for Copper Boosts Zambian Mining
Surging global demand for copper has breathed new life into the mining industry in Chingola, a short drive from the Congolese border on top of some of the richest copper deposits in the world.
Just One More Time
We chose this particular area because an old channel had run here at one point and had been heavily worked on top of a mountain hilltop. Erosion patterns cut deeply on each side, leaving the channel exposed. The erosion cut sharply, dropping into ravines far below.
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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
