Donner Minerals (DML.V) Message Board

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Gold/Mining/Energy : Donner Minerals (DML.V)

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To: Flea who wrote (353)	10/19/1997 9:58:00 PM
From: Walt	of 11676

EM electromagnetic survey, tells you if there is anything there which conducts electricity ie alot of sulphides, graphite etc in the rock should give you an anomaly Gravity measures density or mass ie lead or massive cu/ni mineralization should create a bit of an anomally. Mag surveys tell you if something is magnetic So usually companies run all the surveys they can overlay them on a geology map and then go crazy trying to intrept it all. Regards Walt

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