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  • Title is exactly "Sillimanite Granite"

2013-10-08 18.33.07.jpg
Granite from the Spaulding Quartz Diorite. Thin section contains plagioclase, biotite, quartz, alkali feldspar, some garnet, and sillimanite. Hand sample shows quartz, feldspars, sillimanite, and mica.
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