Maine Geological Survey
Sillimanite-quartz-mica schist weathers to a characteristic rough surface because of the difference in resistance to weathering of quartz and sillimanite compared with micas. This outcrop is in the trail. Close-up of outcrop in photo HNB_1816.JPG
Project Name: Bald Mountain, Camden
Exact Creation Date
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.
schist; sillimanite; Megunticook Formation; weathering; bedrock outcrop; Bald Mountain; Camden
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