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The opinions expressed here are well-reasoned and insightful -- needless to say they are not the opinions of my employers

15 December 2009

Pseudo-plutonic rocks of Moscone South

Granodiorite: low mafics, plagioclase dominant.











Granite: quartz and orthoclase.











Gabbro (?): mafics dominate, apparently as aesthetic choice to include orthoclase.

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