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The Fire Assay of Fly Eyes
July 2002 by Dr. Ralph E. Pray
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.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.
A Trip to Tucson 2000
The stage was set for a great time, as better than 100 mining artifact collectors from all over the world gathered for the 6th Annual Tucson Arizona show. Many of us didn't even seem to mind the heat of the desert...
Ask the Experts—Looking up mining claims on the Internet
Q: Is there an Internet source ... that one can access to review which claims and at which location are the claims that BLM administrators close each year?
Gold Prospecting for Better or Worse: Gold Is Where You Find It
Saturday came and it looked to have the makings of a dreary, misty day. Undaunted, I loaded my truck with my sluice, buckets and gear, and headed for the claim.
A Few Thoughts About Successful Nugget Hunting
...I got the faintest of rises in the threshold. It was hardly a signal at all, and I thought it was one of the many, deep, hot rocks in the area.
Ask the Experts - proper mining claim procedures
Q: Can you offer any information on proper mining claim procedures?
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