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Potaro District, Guyana
December 2000 by Edgar B. Heylmun, PhD
Guyana is a former British colony on the north coast of South America. The capital, Georgetown (pop. 250,000), is 2,200 miles southeast of Miami. The country is 83,000 square miles in area, depending on who does the counting.
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Looking Back
February 2002
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Benton’s Rich Silver
October 2008
Prospectors looking for the next Comstock Lode tried mining for silver in the Benton Hot Springs area in California in 1862. On a ridge southeast of the town, they found what they were looking for—rich hornsilver.
Prospectors looking for the next Comstock Lode tried mining for silver in the Benton Hot Springs area in California in 1862. On a ridge southeast of the town, they found what they were looking for—rich hornsilver.
Eastern Oregon Mine Seeks Permits
September 2012
After a host of companies spent 20 years prospecting, a mining firm is ready to make a play on the $2 billion lode of gold sitting in Eastern Oregon.
After a host of companies spent 20 years prospecting, a mining firm is ready to make a play on the $2 billion lode of gold sitting in Eastern Oregon.
June 2019 (Vol. 88, No. 10)
June 2019
Ask the Experts
March 2013
Q: Can you please tell me about diamond fluorescense?
Q: Can you please tell me about diamond fluorescense?
Our Readers Say
April 2019
- Conversion charts and tables
- Solutions to anti-mining efforts
Ask The Experts—Using classifiers
December 2010
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
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The Bawl Mill
• Letter to the Editor
• 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
• Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
• 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
