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Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
72143
Description
Photo 7: View towards the south of west-dipping interlayered biotite and calc-silicate granofels in the Bucksport Formation (Sb). The distinctive ribbed appearance of these rocks is due to the differential weathering of the minerals in the respective layers. These rocks represent metamorphosed fine-grained sediment of variable composition that was originally deposited in horizontal layers on the ocean floor during the Silurian. Folding during Devonian crustal shortening rotated these rock layers into their present-day steeply dipping orientation. Browns Head Cove, Bristol.
Project Name: STATEMAP Louds Island Bedrock24k
Exact Creation Date
5-25-2022
Location
Bristol
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; Louds Island