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Gold/Mining/Energy : NAR FORUM
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To: Earlie who wrote (14)7/23/1998 9:51:00 AM
From: Andreas Lichtblau   of 34
 
Earlie:

I've posted a drawing from an article by Allan Galley on the nar-resources Website nar-resources.com. This shows you the scale of an active VMS system. Things to note:
-5km-30km scale is a Mining Camp, exactly what they've got on Zveya
-Falconbridge's 'atcive horizon' is the mineralized layer at the top of the stippled unit labelled 'shallow footwall semiconformable alteration': this vectors-in to the VMS deposits which are above thickened areas of alteration; hence they look for local thickenings of the 'active horizon'
-there can be more than two deposits: it all depends on how many faults are bringing up the mineralizing fluids; an individual conduit can be kilometres long

Hope this stimulates the old grey matter!
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