Title
Concord Granite
Identifier
NH-19
Description
Granite, dark facies, from the Concord Granite. Thin section contains quartz, plagioclase, potassium feldspar, and biotite. Hand sample shows lots of quartz and feldspars with dark biotite.
Date
August 1979
Contributor
Western Minerals Inc.
Is Part Of
Spatial Coverage
Hillsboro Quad, SW corner of Lake Massagecum.
Temporal Coverage
Devonian
Accrual Method
Purchased from Western Minerals, Inc.
Unit
Concord Granite
Number of Thin Sections
1