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August 30, 2014

Homework Help: Geology

Posted by Adam on Wednesday, April 11, 2007 at 7:56am.

1)
Granite is an intrusive, felsic rock, which may be produced by partial melting or fractional crystallization. Explain how these processes can produce felsic magmas from more mafic parent magmas

2)The age of granite can be determined using radiometric dating. Expalin the basis for the determination of a 238^U-Pb radiometric date of 1120 Ma for a granite.

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