PA45 Granite

Item

Title
PA45 Granite
Description
MEGASCOPIC: A gray, medium-grained rock consisting of feldspar, quartz, biotite, and muscovite
MICROSCOPIC: Subhedral-granular with euhedra sodic plagioclase whereas quartz and feldspar are anhedral. Magnetite and minor sphene are the other accessories along with trace mincropegmatite. In addition to some sericite, a small amount of secondary epidote is present.
Contributor
Hana Isihara
Identifier
Pa45
Mediator
Tamara Carley (carleyt@lafayette.edu)
Rights Holder
Lafayette College Department of Geology and Environmental Geosciences

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