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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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Mining Stock Quotes and Mineral & Metal Prices
February 2013
Hard Rock Milling: A Matter of Scale
April 2013
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Most prospectors understand placer mining a lot better than hard rock mining and don’t realize the amount of work that goes into processing different types of hard rock ore.
Ask The Experts—Is it possible for a mountain range to have good lode gold deposits and yet the area streams not carrying like deposits of gold?
May 2011
Q: Is it possible for a mountain range to have good lode gold deposits and yet the area streams not carrying like deposits of gold? Or do the two go hand-in-hand?
Q: Is it possible for a mountain range to have good lode gold deposits and yet the area streams not carrying like deposits of gold? Or do the two go hand-in-hand?
Following Clues to a Hidden Gold Deposit
March 2012
Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.
Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.
Over the Divide
April 1999
Virginia Elvira Russell
(Mining Grandma of Humbug)
March 4, 1999
Virginia Elvira Russell
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The Bawl Mill
January 2001
• A skeleton in the closet
• Taxpayers are buying beds
• America's pastime
• A skeleton in the closet
• Taxpayers are buying beds
• America's pastime
Critical Metals: Zinc
May 2014
In this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.
In this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.
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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
