Quartz-microcline-diopsite gneiss

Title

Quartz-microcline-diopsite gneiss

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.

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.

Number of Thin Sections

1