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Enrichment of Gold Veins
November 2000 by Edgar B. Heylmun, PhD
Most of the world's great gold mines are in secondary (supergene) enrichments in veins and stockwork, brought about by physical and chemical processes.
Glacial Gold in Ohio
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...
The Paragenesis of Gold & Silver Deposits
…if you are game for digging in and learning more about the intricate details of how gold deposits form, then let’s jump right in.
Rare Earth Deposit May Be Awaiting Discovery
Bill and the geologist lost interest and as far as I know, nothing more was done to locate the deposit.
Ask The Experts
Options for affordable crushers for small mining operations
Beach Mining for Placer Gold
What I saw was a beach area that was just completely covered in black sand. Rubbing my hands close together like a kid in a candy store, I could not wait to get set up.
Gold Prospecting in Maine - Part II
After cleaning the bedrock I figured it was time for a little peak at the upper mat. We lifted the black rubber flap up and there was gold everywhere.
Goldville, Alabama
Goldville, Alabama, (pop. 61) is located in hilly and forested country at an elevation of 1,018 feet, in the Piedmont physiographic province. It is near the northern boundary of Tallapoosa County.
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The Bawl Mill
• Our Readers Say
• The Assay of High Iron Gold Ores
• The Patch
• History of Mining—Bradshaw Mountains, AZ (Part I)
• Picks & Pans—The Green Rock, Rattlesnakes, Good Gold and Ruth's Mine
• The Oretron
• Silver Hill, North Carolina
• Residual, Lateritic and Gossan "Soils" as Potential Nuggetshooting Sites
• Hardrock in Downieville
• Looking Back
• Company Notes
• Gold in Northern Baja California
• California State Gold Panning Championship Results
• Melman on Gold & Silver
• V.P. Contender Addresses Mining Show







