Latitude: 40°18'21"N
Longitude: 75°55'25"W
Located on the N end of Fritz Island in the Schuylkill River, 2 miles S of Reading.
Local rocks include a Triassic diabase intrusive.
Workings include an open pit with several drifts extending under the Schuylkill to Yost island. Inaccessible.
References
Genth, F.A. (1874) Second Geological Survey of Pennsylvania, Mineralogy of Pennsylvania: Pgs. 9, 21, 28, 73, 107, 108, 109, 110, 114, 133, 154, 162, 168, 167.
Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 1067.
Spencer, Arthur C. (1908), Magnetite of the Cornwall type in Pennsylvania, U.S. Geol, Surv. Bull. 259: 38.
Gordon, Samuel G. (1922), Mineralogy of Pennsylvania: 153.
Reed, Juliet C. (1976), Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Mineralogical Society of Pennsylvania, Inc. : 42-43, 53, 61-62.
Smith, Robert C. II (1978), Mineralogy of Pennsylvania 1966-1975: 135-138, 184-186.
Mineral List
34 entries listed. 22 valid minerals.
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