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Comments on Gigapan: Difficult Run Migmatite 2

  2. This outcrop can be found along the Difficult Run Trail north of Georgetown Pike. The camera is pointed South. This is part of the Mather Gorge Formation. A proterozoic metagraywacke. This outcrop is an example of early stages of partial melting in action. As the graywacke underwent high grades of metamorphism some ...

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