Yedlin Locality, Topsham, Sagadahoc Co., Maine, USA
Two shallow feldspar prospect pits. Brunswick pegmatite field. Granite Pegmatite.
Photo: Van King
Critical Areas Status:
The Yedlin Locality is a small prospect area recognized by Neal Yedlin as containing good crystals of what was then identified as "samarskite". The locality was described by him in Rocks and Minerals magazine. Because of the article, the locality became known as the Yedlin Prospect. Subsequently, the mineral of interest was re-identified as ishakawaite and it was then that the locality acquired international status for having specimens that are world class size and quality. The locality is an area that is inventoried by the USA Critical Mineral Areas program and designated as a Most Important Site needing protection from development. This habitat is also the only place in Maine where fergusonite-(Y) has been found. The largest xenotime-(Y) crystal from Maine is from this locality. The habitat consists of an area comprising about 1 hectare. The area is also noted as one where the bedrock contains significantly radioactive minerals.
19 entries listed. 17 valid minerals.
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Locality Updated: Channing Uranium Trench, Dickinson Co., Michigan, USAFrom Travis Olds, 12th Dec 2013 05:34:18