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The Feldspar Corp. Quarry, White Rock District (White Rocks District), Middletown, Middlesex Co., Connecticut, USA
A pegmatite quarry operated by The Feldspar Corp. and active from circa 1960 to the late 1980s. It is located immediately north of Bow Lane on the Kleen Energy power plant property and is currently mostly flooded. The pegmatite is internally zoned, with discontiguous quartz-rich cores but lacks abundant cleavelandite and has simpler chemistry than the White Rocks Quarry further NW on the same general dike complex. It produced mainly only beryl, schorl, fluorapatite, and garnet as major accessory minerals.
Mineral List
| Albite Beryl | 'Garnet' Microcline | Muscovite Quartz var: Smoky Quartz | Schorl |
7 entries listed. 5 valid minerals.
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References
Stugard, Frederick. (1958): Pegmatites of the Middletown Area, Connecticut. U. S. Geological Survey Bulletin 1042-Q, U. S. Government Printing Office.
Eaton and Rosenfeld. (1972): The Bedrock Geology of the Middle Haddam Quadrangle, Connecticut. U. S. Geol. Survey open file report.
London, David. (1985): Pegmatites of the Middletown District, Connecticut. State Geological and Natural History Survey of Connecticut, Department of Environmental Protection, Guidebook No. 6, Pp. 509-533.
Eaton and Rosenfeld. (1972): The Bedrock Geology of the Middle Haddam Quadrangle, Connecticut. U. S. Geol. Survey open file report.
London, David. (1985): Pegmatites of the Middletown District, Connecticut. State Geological and Natural History Survey of Connecticut, Department of Environmental Protection, Guidebook No. 6, Pp. 509-533.
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