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Title:	Pegmatites
Author:	Barker, Daniel S.
Department:	Geological Sciences
Subject:	volcanology volcanic rocks igneous rocks Field geology pegmatite coarse-grained rock granitic rock quartz K-feldspar Althaus pegmatite, Llano Uplift, TX "Line rock" in pegmatite Ramona, California False cleavage quartz core Pala, California schist Pemaquid Point, Maine Port Mouton granite pluton, Nova Scotia Pegmatite - gneiss contact Palermo, New Hampshire Painted Wall, Black Canyon, Gunnison River, Colorado crossing pegmatites Westerly granite, Rhode Island aplite dike equigranular light-colored granite Sparta, Georgia Valley Spring Gneiss, Inks Lake StatePark, Texas Intersecting pegmatites Wausau Wisconsin sodic clinopyroxene alkali feldspar Nevlunghavn, Norway gabbro pegmatite plagioclase and pyroxene basalt flow Mount Pleasant quarry, Nova Scotia sulfides Port Coldwell Complex, Ontario plagioclase and clinopyroxene iron-rich olivine blue amphibole
URI:	http://hdl.handle.net/2152/7866
Date:	2009-04

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Description: One of a series of images with descriptions of igneous and volcanic geological features in field environments.

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