Ketcherside Tuff

Title

Ketcherside Tuff

Identifier

SFM-15

Description

Hand Sample: Aphanitic, pyroclastic grey-black tuff. Conchoidal fracture pattern from a strike-point on one edge. Weathers to yellow-brown.
Thin Section, XPL: 40% well weathered very-fine quartz, feldspar, and opaques with blurred edges in 60% matrix.

Date

1/20/1969

Contributor

Western Minerals, Inc.

Spatial Coverage

St. Francois Mountains Batholith, Missouri

Accrual Method

Purchased from Western Minerals, Inc.

Number of Thin Sections

1

Geolocation