Hypersthene Quartz Diorite

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.

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