Title
Two-pyroxene-plagioclase granulite
Identifier
AD-12
Description
The Sacandaga Formation consists of a well layered series of dark granulites (AD-12) and leucogneisses (AD-13). Orthopyroxene is generally present in greater quantity than clinopyroxene. It is not known whether these rocks are metasedimentary or metaigneous. They are strongly foliated.
Thin section shows plagioclase (one with perthitic texture), orthopyroxene and quartz.
Thin section shows plagioclase (one with perthitic texture), orthopyroxene and quartz.
Date
1980
Contributor
Western Minerals Inc.
Spatial Coverage
Adirondack Highlands-collected on NY Route 30 from the west side of a road cut just north of Pumpkin Hollow.
Temporal Coverage
Precambrian
Accrual Method
Purchased from Western Minerals Inc.
Unit
Sacandaga Formation
Number of Thin Sections
1