Gneiss

Title

Identifier

NH-3

Description

Gneiss from the Bethlehem Gneiss series. Coarser grained. Thin section contains biotite, muscovite, quartz, plagioclase, and alkali feldspar. Hand sample is coarser than NH-3 and contains quartz, feldspars, and micas. From the same locality as NH-4.

Date

August 1979

Contributor

Temporal Coverage

Accrual Method

Purchased from Western Minerals, Inc.

Number of Thin Sections

1