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