The informal Cranberry Lake formation of Leavell (1977) is here formally named the Cranberry Lake Formation of the Oswegatchie Group in the western Adirondack Highlands, NY. It consists of layered gneiss and marble in the lower part and quartzite, granulite, marble, and gneiss in the upper part. Correlates with the Gouverneur Marble, overlies rocks correlated with the Poplar Hill Gneiss or Baldface Hill Gneiss, and underlies rocks correlated with the Pleasant Lake Gneiss, all of the Oswegatchie Group in the Northwest Lowlands. Age is Proterozoic.
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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