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Early mafic dike, in alaskite Potter Hill Granite Gneiss. Washington County, Rhode Island. 1963.

Dates

Date Taken
1963-10

Summary

Early mafic dike (?), now amphibolite, in alaskite Potter Hill Granite Gneiss. Pinches and swells from less than one to 13 inches in thickness. Exposed 50 feet along strike. Boudinaged (?) in one place. North 77 degrees east, 57 degrees north. Abandoned quarry, south slope of Bumpin Hill, 0.23 mile north of west end of Spring Brook Avenue. Westerly. Washington County, Rhode Island. October 1963.

Contacts

Photographer :
Feininger, Tomas G.
(other) :
U.S. Geological Survey

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ftg00084.jpg thumbnail 1.71 MB image/jpeg

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Identifiers

Type Scheme Key
name photoLibrary ftg00084
number photoLibrary 9931
batch photoLibrary btch584
number_in_book photoLibrary 84

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