PA45 Granite

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

Media: https://exhibits.lafayette.edu/geology/files/original/4669127461452a6dfdf6e7d3b0e835f1.jpg; https://exhibits.lafayette.edu/geology/files/original/56223fa80177d7fb6834c2a1c12cdd78.jpg; https://exhibits.lafayette.edu/geology/files/original/4a654ef5062a30222cda4df27d3add8d.jpg; https://exhibits.lafayette.edu/geology/files/original/b3437890ba6a815aae3efb71df8a7a60.jpg; https://exhibits.lafayette.edu/geology/files/original/6d68c7ef5ccd12ab0d12e5ac3589f79a.jpeg; https://exhibits.lafayette.edu/geology/files/original/1fa761eb850b79d2fdd8a16413d9a9a6.jpeg; https://exhibits.lafayette.edu/geology/files/original/508e37d05bf6ba70d1b6d049dcbdb868.jpeg; https://exhibits.lafayette.edu/geology/files/original/6a236a0b7de4af785194f1c17260adf9.jpeg