All Articles
Hillside Placers
July 2003 by Edgar B. Heylmun, PhD
Hills and mountains that contain gold deposits will weather and erode over a long period of time, and the eroded material will move slowly downhill. Frost wedging and roots are two of several agents that can cause bedrock to be fractured and...
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Colorado Court Rules on Cyanide Ban
May 2007
The Colorado state Court of Appeals ruled that counties have the authority to ban the use of cyanide in gold mining.
The Colorado state Court of Appeals ruled that counties have the authority to ban the use of cyanide in gold mining.
Prospecting with a VLF-Type Gold Detector
October 2004
Although I found my first detected nugget on a hard rock mine dump using an early VLF/TR coin hunter, it was by “following the dry washers” and detecting old tailing piles that I soon packed a metal 35mm canister with small sub-grain to...
Although I found my first detected nugget on a hard rock mine dump using an early VLF/TR coin hunter, it was by “following the dry washers” and detecting old tailing piles that I soon packed a metal 35mm canister with small sub-grain to...
Ask The Experts - Seeking advice on setting up an operation and the agreement with the landowner
November 2019
Legislative and Regulatory Update
August 2011
• California suction dredging
• House shows support for public land use
• California suction dredging
• House shows support for public land use
Gemstones to Die For
November 2014
Some gems can potentially poison you, make you sterile and even make you forget who you are.
Some gems can potentially poison you, make you sterile and even make you forget who you are.
Legislative and Regulatory Update
October 2013
• Judge refuses to grant preliminary injuction to end suction gold dredging moratorium in California
• Proposed listing of Yellow-legged frog and Yosemite Toad in northern California
• Judge refuses to grant preliminary injuction to end suction gold dredging moratorium in California
• Proposed listing of Yellow-legged frog and Yosemite Toad in northern California
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The Bawl Mill
• Our Readers Say
• PLP Members Win Occupancy Case—Appeals Continue
• Prospecting for Iron in Alaska
• Gold Deposits in Skarn
• Picks & Pans: Highbanking on the American River
• Platinum Firm, Palladium to Remain Weak
• Spencer Opal Deposits, Idaho
• Company Notes
• Elko Mining Expo a Success
• Gold Prospecting in Alberta
• National Mining Hall of Fame to Induct Six
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Looking Back
