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Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
70933
Description
Black ultramafic rock, peridotite of Bastin (1908, Journal of Geology), reported by him as containing mainly olivine with magnetite inclusions, and small amounts of hornblende and plagioclase. The sulfide is primarily pyrrhotite, with pyrite and chalcopyrite visible in this specimen. Collected by Woodrow B. Thompson, MGS, 1985, at the Harriman Prospect locality described in "A collector's guide to Maine mineral localities" (Thompson et al., 1988, MGS B-41). Specimen in MGS collection.
Project Name: MGS Specimen Collection photos
Exact Creation Date
3-3-2023
Location
Union
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
economic geology; sulfide; pyrrhotite; ultramafic; Union; Harriman Prospect