Title
Hypersthene Quartz Diorite
Identifier
NH-11
Description
Hypersthene Quartz Diorite from the Spaulding Quartz Diorite. Thin section contains pyroxene, quartz, biotite, plagioclase, and alkali feldspar. Hand sample shows micas, quartz, feldspars, and pyroxene.
Date
August 1979
Contributor
Western Minerals Inc.
Is Part Of
Spatial Coverage
Concord Quad., on ramp of Exit 8 on I-89E, across from highway 103.
Temporal Coverage
Devonian
Accrual Method
Purchased from Western Minerals, Inc.
Unit
Spaulding Quartz Diorite
Number of Thin Sections
1