Petrogenesis of a silicic magma chamber periodically invaded by basaltic magma: The Isle au Haut Igneous Complex, Maine

The plutonic rocks of the Paleozoic Isle au Haut Igneous Complex, Maine (424 $\pm$ 1 Ma.), are a trimodal assemblage of granites, diorites, and gabbros. Exposed from the top to the bottom of the pluton, the complex consists of an enclave-bearing granite, a composite layered sequence of alternating g...

Full description

Bibliographic Details
Main Author: Chapman, Marshall
Language:ENG
Published: ScholarWorks@UMass Amherst 1996
Subjects:
Online Access:https://scholarworks.umass.edu/dissertations/AAI9638940