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Gold/Mining/Energy : Pure Gold Minerals (PUG)-TSE -- Ignore unavailable to you. Want to Upgrade?

To: violetta martinez who wrote (552)	4/23/1998 5:02:00 PM
From: Jesse	Respond to of 1030

>>Thank you very much for that simplified explanation.<< - You're welcome, that's the only kind I kind give! ;) Very good question re. directionality-- By studying core samples' stratigraphies (layerings), one can ascertain much, such as proximity to source based on metamorphic states of materials, deposition orientation, silicification, etc. Through geochemistry (and mineralogy), one can deduce rock age/derivation, again proximity to source, indications of diamonds in the region (indicator minerals, volcanic ash, ultramafic makeup and other mantle-derived stuff, ...). The presence of certain minerals and elements that exist primarily in diamondiferous environments is a very positive indication (eg. chromites, or various pyrope garnets like G-2 garnets, G-10's G-3's, etc). Further, some minerals won't travel far (eg., I've heard, olivine) without breaking up, suggesting a local origin; angular-faced indicator minerals means they haven't travelled far from their source (since movement in glaciers/streams will smooth edges). --- Again, forgive my novice (inchoate understanding) approach here - - I'm sure there's tonnes I'm not mentioning. *But you make a very good observation-- Studying the pyroclastics (volcanic-source rock/ash) can offer much in the way of understanding! Gotta run, Ciao! -j :>