Sillimanite Granite

Identifier

NH-10

Description

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.

Date

August 1979

Contributor

Temporal Coverage

Accrual Method

Purchased from Western Minerals, Inc.

Number of Thin Sections

1