All Articles
Throw-Away Gold: Back to Basics
February 2002 by T.D. LaRune
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.Additional articles that might interest you...
Dredging Alternative: High Banking
October 2009
The hope was that a bit of the gold from that famous old pocket mine had worked its way down the slope of the hill and into the gravels Pat and his crew were planning to mine.
The hope was that a bit of the gold from that famous old pocket mine had worked its way down the slope of the hill and into the gravels Pat and his crew were planning to mine.
Healthy Interest at Recent Vancouver Conferences
March 2005
Considering the frequency of mining gatherings in the USA, Canada and worldwide, many of our readers may wonder if there is sufficient new information available to make each gathering interesting and informative. In fact, they need not worry at all because rapid advances in mining technology...
Considering the frequency of mining gatherings in the USA, Canada and worldwide, many of our readers may wonder if there is sufficient new information available to make each gathering interesting and informative. In fact, they need not worry at all because rapid advances in mining technology...
2007 Annual Photo Contest Winners
January 2008
Sage-Grouse Won't Get ESA Listing For Now
April 2010
The Obama administration announced on March 5 its decision not to list the sage-grouse as threatened or endangered at the moment, though it left the door wide open to future listing.
The Obama administration announced on March 5 its decision not to list the sage-grouse as threatened or endangered at the moment, though it left the door wide open to future listing.
Beach Mining for Gold
March 2010
Commonly these layers contain small particles of gold and platinum, and in places where they are sufficiently concentrated, the metallic particles are abundant enough to be extracted profitably.
Commonly these layers contain small particles of gold and platinum, and in places where they are sufficiently concentrated, the metallic particles are abundant enough to be extracted profitably.
Mining Stock Quotes and Mineral & Metal Prices
October 2019
Determining the Amount of Gold in a Quartz Specimen
November 2004
Many prospectors who find specimens of rich quartz with visible gold often wonder about the gold content of their specimens. Pieces with significant visible gold can sometimes be found at hard rock mines, by prospecting...
Many prospectors who find specimens of rich quartz with visible gold often wonder about the gold content of their specimens. Pieces with significant visible gold can sometimes be found at hard rock mines, by prospecting...
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