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Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
70448
Description
Figure 11A. Cryptocrystalline, devitrified and sericitized rhyolite ashfall tuffs (X). (i): crystal tuff with quartz microphenocrysts. (ii): lithic fragments in lithic-crystal tuff.
Project Name: Bedrock Geology 24k Greenfield
Location
Greenfield Twp
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; Greenfield quadrangle