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Glacial Gold in Ohio
January 2002 by Edgar B. Heylmun, PhD
Ohio is an industrialized, midwestern state with a population of 11.5 million and an area of 40,953 square miles. Annual precipitation is about 40 inches, enough to give rise to hardwood forests...
Ask The Experts
• How small should I crush my hard rock ore?
Rio Tinto: Allegations Without Foundation
Bribery allegations against four Rio Tinto employees detained in China are “wholly without foundation,” the mining company said, as Australia continued to press Beijing for details of a case that is straining ties between the two nations.
Osisko Exploration: Redeveloping the Historic Malartic Mining Camp
Quebec is known throughout Canada as “La Belle Provence”—The Beautiful Province. While eastern Quebec is better-known with major cities Montreal and Quebec City, the western portion is indeed a land of lakes, forests, streams and...
Greenstone
Greenstone is a hard, tough, altered igneous rock, usually dark green in color. The term “greenstone” has been loosely applied to all greenish rock, including peridotite, dunite, jade, serpentine, and even hydro thermally altered rocks in mining districts. True greenstone is...
Q&A With Detector Designer Dave Johnson
...it’s been a little known secret that one man was involved in designing many of the most respected very low frequency (VLF) nugget detectors on the market. Dave Johnson has designed gold-oriented detectors for Tesoro, Whites, Fisher and others for more than 25 years.
PLP and MMAC Update
The current administration is receptive; we believe the time is ripe to push for a return to reasonable regulations and to restore mining to a priority for public lands as long as some new crisis doesn’t take precedent.
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The Bawl Mill
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• Administration Officials Pledge to Work Closely With Miners
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• The Green Land-Grabbers: It's Not Just the Feds Who Are After Your Land
• ICMJ's 11th Annual Photo Contest Results
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• Company Notes
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