Quartzite

Title

Quartzite

Identifier

DUCO-10

Description

Metamorphised sandstone with a gray, glassy appearance. From the Paughquag quartzite, a late Cambrian formation. The basal Cambrian quartzite rests on pre-Cambrian gneisses.

The thin section shows quartz and plag with some biotite and grain boundaries. Many fluid inclusions noticeable.

This rock has a different protolith than the many pelitic schists around it.

Contributor

Western Minerals

Is Part Of

<a href="http://geosciencecollections.milne-library.org/collections/show/18">Barrovian Metamorphic Sequence--Dutchess County, New York</a>

Spatial Coverage

Dutchess Co., NY

Accrual Method

Purchased from Western Minerals Inc.

Unit

Barrovian Metamorphic Sequence

Number of Thin Sections

1