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Contributing Institution

Maine Geological Survey

Document Type

Image

Identifier

9682

Description

Photo 7. Porphyroclastic mylonite (my). The tiny white feldspar grains, called porphyroclasts, are remnants of larger grains that have been partly destroyed by ductile shearing of the rock during intense deformation. Most of the minerals in the rock have been reduced to microscopic bits, entrained in the intense foliation that trends left to right in this photo. Mylonite forms at depth, in rocks that are at elevated temperature and pressure in the earth. Pavement outcrop approximately 300 meters northwest (N40W) of Styles Cemetery, Jackson.
Project Name: Bedrock Geology Brooks West

Exact Creation Date

8-10-2013

Location

Jackson

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.

Keywords

bedrock mapping; outcrop; STATEMAP

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Rights Statement

Rights Statement

No Copyright - United States. URI: http://rightsstatements.org/vocab/NoC-US/1.0/
The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.