No big tank:

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No big tank Slow
incremental growth of plutons by
magmatic crack-seal
John M. Bartley University of Utah Drew S.
Coleman Allen F. Glazner Univ. of North Carolina
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McDoogle pluton (Mahan et al., 2003)
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Simplified after Mahan(2000)
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Presence or absence of wall-rock screens in a
composite pluton depends on relative fracture
resistance of older increments and wall rock
Next fracture in wall rock
Next fracture in intrusion
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U/Pb dates, Tuolumne Intrusive Suite, Coleman et
al. (2004)
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Geologic map of May Lake-Murphy Creek area,
Yosemite National Park, CA
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