Preview
Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
70096
Description
Photo 4: Close-up view of crystallized commingled magmas in a dike (DScm). The rocks represent a solidified example of mafic (gabbro) and felsic (granite) magma that commingled deep underground while still molten. Because of the contrasting viscosity of the two magmas, they behaved as immiscible liquids and did not mix. Although there are numerous Late Silurian examples of these rocks farther down the coast in Maine at St. George, Vinalhaven, and elsewhere, they are rare in the Pemaquid Point quadrangle. Inner Heron Island, South Bristol.
Project Name: STATEMAP Pemaquid Point Bedrock24k
Exact Creation Date
9-16-2021
Location
South 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; STATEMAP; outcrop