Title

Bedrock Brooks East Photo 5

Creator

Stephen G. Pollock

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Contributing Institution

Maine Geological Survey

Document Type

Image

Identifier

9698

Description

Photo 5: Biconvex granite boudins are common in the map unit of Passagassawakeag Gneiss lacking extensive dextral shear indicators (DOpgl). These boudins consist of a simple granite mineralogy (quartz, alkali feldspar, and plagioclase). The paleosome above the granite boudins in this photo exhibits an equigranular assemblage of quartz, plagioclase, and biotite. Sillimanite is commonly present in the dark, biotite-rich rock next to the granite boudins. Carver Road, south of Houstus Hill, Monroe.
Project Name: Bedrock Geology Brooks East

Exact Creation Date

11-2-2006

Location

Monroe

Supplemental Rights

Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.