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Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
71486
Description
Irregular patch of pegmatite in fine-grained granite. Margins of the pegmatitic patch are gradational, indicating formation at the same time as the granite. Pegmatite has coarse black tourmaline crystals.
Project Name: Bedrock Geology 24k Cumberland Center
Exact Creation Date
12-8-2017
Location
Falmouth
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
tourmaline; pegmatite; granite; Cumberland Center