All Articles
The Guyana Highlands
October 2004 by Edgar B. Heylmun, PhD
The Guyana Highlands referred to here are a tropical upland area that extends from French Guiana on the east to Colombia on the west, with elevations reaching 9,219 feet. It occupies a vast and remote region between the Orinoco River on the north and the Amazon River on the south. There are mountains, tablelands, mesas, and swamps, largely impassable to those on foot.Additional articles that might interest you...
Ask The Experts—What questions should I ask before investing in a gold mine?
August 2008
Q: Are there any back articles that address the things you need to look for and the questions to ask before investing in a gold mine and other resources that you may know?
Q: Are there any back articles that address the things you need to look for and the questions to ask before investing in a gold mine and other resources that you may know?
Cashing In Your Gold: Working With A Refiner
September 2008
Many miners who have hoarded their gold for years are now tempted by higher prices. Several friends with multiple pound nugget collections have sold them recently for cash.
Many miners who have hoarded their gold for years are now tempted by higher prices. Several friends with multiple pound nugget collections have sold them recently for cash.
US Policies Holding Back Arizona
April 2012
Washington’s decision to bar new uranium mining near the Grand Canyon and other federal policies on energy and resource issues are barriers holding back Arizona and its residents from prosperity, Governor Jan Brewer told a congressional hearing March 16.
Washington’s decision to bar new uranium mining near the Grand Canyon and other federal policies on energy and resource issues are barriers holding back Arizona and its residents from prosperity, Governor Jan Brewer told a congressional hearing March 16.
Journeys in the Kingman Quadrangle
August 2007
This is a story of a bit of our earth, carved by lines of longitude and latitude. There is a deep mystery in this land. The naked mountains speak of long ages of thrusting and rifting—of uplift and erosion. These riddles in the rock defy explanation.
This is a story of a bit of our earth, carved by lines of longitude and latitude. There is a deep mystery in this land. The naked mountains speak of long ages of thrusting and rifting—of uplift and erosion. These riddles in the rock defy explanation.
Arizona Prospector Rescued from Mine Shaft
November 2018
“I heard him hollering down in the hole as soon as I got there,” he said. “I was just glad to see him alive.”
Miners Clean Washington Rivers and Streams
May 2007
The Washington Department of Health has issued several warnings about mercury contamination in fish and shellfish. The small-scale mining community is the only group that is actively removing mercury and lead from the waterways of the State of Washington using the only economically feasible method available—with suction dredges and other small-scale mining equipment.
The Washington Department of Health has issued several warnings about mercury contamination in fish and shellfish. The small-scale mining community is the only group that is actively removing mercury and lead from the waterways of the State of Washington using the only economically feasible method available—with suction dredges and other small-scale mining equipment.
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The Bawl Mill
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• VMS Deposits in Central Arizona
• Prospecting with a VLF-Type Gold Detector
• Freegold Ventures' Golden Summit Project
• Picks & Pans: Working the Crevices
• Molybdenum
• 2004 California State Gold Panning Championships
• Company Notes
• Why Environmental Groups Prefer Kerry
• The French Mines of El Boleo
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
