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GTN456 - Diamond Deposits II

Exploring the geology of diamondiferous kimberlites.

Micheal Moroskat

on 10 May 2011

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Transcript of GTN456 - Diamond Deposits II

GTN 456 Diamondiferous Kimberlites Clifford's Rule "diamondiferous kimberlites are almost exclusively found in regions underlain by Archean craton" i.e. continental crust >2.5 Ga has been explained theoretically by: geophysics study of mantle xenoliths brought to the surface by kimberlites the temperature/pressure relationship between graphite and diamond Diamond Stability Very high pressure Relatively cool temperatures
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