Red Granite (coarse grained)

Title

Red Granite (coarse grained)

Identifier

SFM-9

Description

Hand Sample: Holocrystalline, coarse-grained, phaneritic granite with dominant alkali feldspar crystals, as well as quartz and plagioclase feldspar. Veins or pockets of dark brown-black material dispersed intermittently.
Thin Section, XPL: 60% medium-to-coarse-grained subhedral alkali feldspar, with unidentified medium-grained, fractured, crystals with no cleavage and high blue, orange, and pink birefringence.

Date

1/20/1969

Contributor

Western Minerals, Inc.

Spatial Coverage

St. Francois Mtns. Batholith, Missouri, Cornwell Quarry

Accrual Method

Purchased from Western Minerals, Inc.

Number of Thin Sections

2

Geolocation