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Gold in Australia
February 2004 by Edgar B. Heylmun, PhD
Australia is an island continent between the Pacific and Indian Oceans that is nearly 3 million square miles in area. Some 20 million people, mostly of British descent, live on the island, especially in coastal areas and in five major cities along the...
What To Do When Gold Recovery and Assay Values Differ
Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.
Mining Stock Quotes
In Pursuit of Gold and Silver in the Sierra Madres—Establishing a Mining Company in Mexico
My wife Ann and I moved three years ago to the Pueblo of Arivechi, Sonora, in order to be near the mining concessions we owned and to build a precious metals concentrating mill.
The Bawl Mill
• $5.1 billion Postal (dis)Service loss...
• Stop the money flow...
• Doubly, even triply, irresponsible and unpatriotic...
The Fire Assay of Fly Eyes
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.
Xmet Aims for One Million Ounces
The beautiful province of Quebec, known in French as “La Belle Province,” is not only famous for its scenic attractions and world-renowned cities such as Montreal and Quebec City, but also as being one of the most attractive places for mining...
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• US Files Charges Against Gold Refiner
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