Graded beds in Perry Mountain Formation, Tumbledown Pond

Creator

Robert G. Marvinney

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Contributing Institution

Maine Geological Survey

Document Type

Image

Identifier

91145

Description

Graded beds. Lighter layers are quartz-feldspar granofels, darker layers are andalusite schist. Each light layer begins with a very sharp boundary on the right, gradual change to dark layer on the left, indicating topping direction (younger layers) to left..
/="/"> Project Name: Marvinney Historical Photos

Broad Creation Date

October 1997

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.