Quarry on Frankford Creek (unnamed), Frankford, Philadelphia, Philadelphia Co., Pennsylvania, USA

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Unnamed quarry on west side of Frankford Creek, N.E. of Juniata Park, about Wingohocking and L streets (Idle). Hornblende gneiss (meta-gabbro) and pegmatite. Observations made by Benge and Wherry (XII, 1905, 106 & XIII, 1906, 92). Frankford, PA, is now part of the city of Philadelphia.

Mineral List:

17 entries listed. 7 valid minerals.

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