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Gold/Mining/Energy : International Precious Metals (IPMCF)
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To: Bill Jackson who wrote (29192)12/13/1997 7:58:00 PM
From: E. Charters  Read Replies (2) of 35569
 
Potatoes grown near the hiway used to be full of lead. This is what influenced the government to go to unleaded gas. Now they are merely full of nitrates and poisonous hydrocarbons. Interestingly the dithizone biogeochem test for heavy metal was developed by a mining engineer at UBC who did no statistical analysis at all on his results. He figured a show at all was an anomaly. He first noticed lead anomalies in soils and crops near hiways. The gov't picked it up and used it to monitor food contamination. Cominco was a big user of the dithizone B horizon tests for many years and the BC soil and stream tests that were an offshoot of this test and could have been used to find Fish Lake and Taseko lake copper porphyries. Esso Minerals disagreed with my thesis to the effect in 1980 but it proved good by the Hunter-Dickinson group ten years later.
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