Quartz-microcline-diopsite gneiss

Title

Identifier

AD-15

Description

This specimen displays an unusual and distinctive lithology that occurs primarily in lower, marble-rich units (for example, the Cedar River Formation).
Thin section shows quartz, K-feldspar and clinopyroxene.

Date

1980

Contributor

Western Minerals Inc.

Is Part Of

Anorthosite-Charnockite and Metamorphic Suite-Adirondack Mountains, New York

Spatial Coverage

Adirondack Highlands-collected on NY Route 30 from a road cut approximately just west of the parking area along the north shore of Mason Lake (Indian Lake Quadrant).

Temporal Coverage

Precambrian

Accrual Method

Purchased from Western Minerals Inc.