Pegmatite

Title

Pegmatite

Alternative Title

Mafic Porphyritic Dike

Identifier

GC-3

Description

This sample is mis-labeled as a pegmatite. It is really a porphyritic dike material that cuts through the Zoroaster Granite. The phenocrysts are hornblende.

Date

no date

Contributor

Western Minerals Inc.

Spatial Coverage

17 mi. N. of Peach Springs, AZ

Temporal Coverage

Older Precambrian

Accrual Method

Purchased from Western Minerals Inc.

Unit

Zoroaster granite

Geolocation