All Articles
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.
Follow the Line
Four nuggets, ranging from one to four pennyweight, had been found originally. All four nuggets were found in a line about ten feet apart from each other.
Glaciers and Placer Gold Deposits
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.
Gold & Fish in Washington
On February 16, 2001, in Olympia, Washington, a very unusual thing happened—prospectors and officials of the Washington Department of Fish and Wildlife (WDFW) finally engaged in a true dialogue and discovered that they weren’t enemies after all!
The Bawl Mill
• Freedom request denied
• Missing sandwich becomes a federal case
• Washington man takes the initiative
• And I complained that the Journal was delivered late...
Legislative and Regulatory Update
• Karuk Tribe at it again
• Republicans drop mining provision from budget bill
• Idaho miners agree to stricter bonding requirements
• Comments needed for Oregon turbidity review
How Much Gold Is In My Gold-Quartz Specimen?
The method is based on the fact that gold is much denser than quartz, and the more gold that is present in a specimen, the higher the density of the piece will be as a whole.
Melman on Gold & Silver
What a month! It seemed as if one headline after another dwelled on one, and only one subject, that of the environmentalists’ concern over “global warming.” Politicians changed directions, mass demonstrations were held, Al Gore moved to the top of the media hit parade, and lawmakers were warming up to the task of revolutionizing our lives with torrents of new laws, regulations and policies.
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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
