Title
Preview
Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
69763
Description
Photo 3: In the Bristol quadrangle, outcrops of biotite granite (Dbg) are typically light gray in color, have flat to rounded surfaces, and are characteristically unlayered. These rocks, crystallized from silica-rich magma deep beneath Earth’s surface, are composed primarily of light-colored quartz and feldspar, and lesser amounts of dark-colored mica (biotite). North of Bay Woods Road, Bristol.
Project Name: STATEMAP Bristol Bedrock24k
Exact Creation Date
6-22-2021
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