All Articles
Basic Geology for the Independent Miner—Part II Recognizing and Understanding Rock Formations (Petrology)
February 2006 by Chris Ralph
Rocks are an aggregate formed from the accumulation of minerals. Minerals form under various conditions, and when the minerals come together in mass, they form rocks.
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The Bawl Mill
July 2008
• Just put it on our tab...
• Do you smell something?
• A voice from the past
• Just put it on our tab...
• Do you smell something?
• A voice from the past
Gold Recovery with Centrifugal Bowls
July 2014
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Ask the Experts—Are you able to advise me on the status of HR3824?
June 2007
Q: I am doing research regarding potential litigation involving the Endangered Species Act. Are you able to advise me on the status of the following:? HR 3824, The Endangered Species Recovery Act of 2005 (TESRA) introduced in the House of Representatives in September, 2005.
Q: I am doing research regarding potential litigation involving the Endangered Species Act. Are you able to advise me on the status of the following:? HR 3824, The Endangered Species Recovery Act of 2005 (TESRA) introduced in the House of Representatives in September, 2005.
Looking Back
April 1999
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Bawl Mill
September 2012
• The "2 Million Dollar Man"
• A record worth breaking
• By the numbers...
• The "2 Million Dollar Man"
• A record worth breaking
• By the numbers...
Picks & Pans: Sniping for Low Stream Gold
September 2003
In southwestern Canada a couple of summers ago, the weather was extremely dry. So dry in fact, that some of the streams were at lows not seen in many decades. The wonderful advantage for sniping in the following fall was that...
In southwestern Canada a couple of summers ago, the weather was extremely dry. So dry in fact, that some of the streams were at lows not seen in many decades. The wonderful advantage for sniping in the following fall was that...
Legislative and Regulatory Update
September 2015
• EPA gets caught
• Suction dredging update
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The Bawl Mill
• January Issues Delayed For Weeks As USPS Searches Their Facility
• The Rocks That Burn: Is Oil Shale the Answer?—Part I
• Feds Move Oil Shale to Front Burner
• The Circle Goldfields
• New Montana Board Moves to Halt Mining
• Newmont Looks to Ghana
• PLP President Intervenes on Behalf of Dredgers
• Samuel Franklin Hunt Nevada’s “Rio Tinto”
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
