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Sampling Mineral Deposits
March 2007 by Staff
The accurate sampling of mineral deposits for testing and analysis is perhaps the most important step involved in both mineral exploration and development. It is a critical factor in initial prospecting efforts and the preliminary investigation of grassroots exploration projects, yet sampling is often performed in a haphazard and incomplete fashion during the early stages of prospecting and exploration activities.Our Readers Say
The Treasure Detective—Part III
In the 1800s, rich silver and gold mines along the eastern Sierras were supplied from Los Angeles by a wagon road with an important stage stop at Freeman Junction. Wagons carrying the gold and silver back from the mines to Los Angeles followed the same wagon road. A cottage industry of robbery arose where numerous individuals made a living holding up these wagons and making off into the hills with the loot.
Looking For Gold in All The Right Places
Let’s assume you are an aspiring or amateur prospector and start this article with a question: What is the single most important piece of prospecting equipment that you should carry at all times in your car, truck or RV?
Moving the World's Largest Machine—The Bucyrus 2570W Walking Dragline
This project began in early August 2002, when approximately 12 major project forwarders were invited to bid on moving a Bucyrus Model 2570W Walking Dragline from the US to Australia.
Clarence King, Geologist
Clarence King was born in Rhode Island in 1842, the son of a businessman. His father died when he was 6, so he was raised by his mother. She wanted to have Clarence attend the very best schools, and even moved in order to have him in the best district. She gave him a magnifying glass on his 7th birthday, and this led to his discovery of fossil ferns in neighborhood rocks.
Sunshine and Gold
Gold in Gossan
Gossan is defined as being an iron-bearing capping over a sulfide deposit. It is formed by the oxidation and leaching of sulfide minerals, leaving hydrated iron oxides such as limonite and goethite, along with manganese oxides.
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The Bawl Mill
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