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Gold/Mining/Energy : ECHARTERS
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To: Bill Jackson who wrote (1307)11/10/1997 2:26:00 AM
From: E. Charters  Read Replies (1) of 3744
 
Did you ever hear of the "anything is possible" geological theory.
It is based upon the murphonian dialectic. "If it is unlikely it will only be found by fools"

Pt's are powerfully scavenged by nature and like sulfide systems of CU-NI affinity. AU is usually present in smaller quantities as always in sulfide systems. Some PT-CU-NI systems run to .50 Pt metals and
almost .10 to .25 gold. However in some placer systems Pt runs almost equal to gold. Tulameen River in BC is a case in point. This is thought to be because of the curious fact that alpine gabbros are frequent contributors to large placer systems and frequently have abundant gold and platinum. Gold is usually less scavenged by nature unless tellurides abound. Now tellurium reports, we find, to alkaline felsic intrusives and vein systems. Lead and silver and copper are frequent associations of these vein systems. In the Colorado area they had plentiful tellurides. One town in Co is called Telluride. (Good skiing) The most common species of Pt is a telluride, Sperrylite. So in a complex telluride deposit could Pt and gold find itself in very hard to assay situation with platinum? It could I guess. (never heard of it bit anything is possible) Tellurium is notorious for causing many an assayer headaches and problems are legendary. It is a precipitor of gold and Pt and is very volatile so was thought to report to the flume with all the metals. It could conceivably cause problems with chemical assays (AA)by robbing the solution of gold or fighting hydrocarbon pick up but I don't know of any specific problems reported.

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