Title
Porphyritic quartz syenite
Alternative Title
Albany porphyritic quartz syenite (3rd Ring Dike)
Identifier
WMB-17
Description
An example of the 3rd ring dike. This outcrop also contains dark xenoliths.
Sample contains phenocrysts of perthite. The bulk of the rock contains quartz, k-spar, and amphibole.
Sample contains phenocrysts of perthite. The bulk of the rock contains quartz, k-spar, and amphibole.
Contributor
Western Minerals, Inc.
Is Part Of
Spatial Coverage
Hwy. 16B, 0.3 miles N of Jackson, NH
W-central region of North Conway quadrangle map, NH
W-central region of North Conway quadrangle map, NH
Accrual Method
Purchased from Western Minerals, Inc.
Number of Thin Sections
1