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Blue Ball Stone Co. Quarry (Showalter Quarry), Blue Ball, Earl Township, Lancaster Co., Pennsylvania, USA

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Latitude & Longitude (WGS84): 40° 7' 18'' North , 76° 2' 54'' West
Latitude & Longitude (decimal): 40.12167,-76.04833
GeoHash:G#: dr1ujrzm9
Köppen climate type:Cfa : Humid subtropical climate


Limestone quarry located about 1/8 miles N of Blue Ball. Mineralization in hypergene dolomite veins and vugs in dolomite rock (strontium minerals), limestone and phyllite rock (cubic pyrite).
This quarry is now under water, and the tailings are under a thick growth of vegetation (http://www.mindat.org/mesg-7-62491.html).

Ref.:
Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pp., 242-47 Mineral collecting in Pennsylvania - 1965, Lapham, Geyer pp. 88-89


Mineral List


12 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Cambrian
485.4 - 541 Ma



ID: 2951325
Zooks Corner Formation

Age: Cambrian (485.4 - 541 Ma)

Stratigraphic Name: Zooks Corner Formation

Description: Medium-gray, finely crystalline dolomite; silty to sandy, containing numerous siliceous to argillaceous laminae.

Lithology: Major:{dolostone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Cambrian
485.4 - 541 Ma



ID: 3192822
Paleozoic sedimentary rocks

Age: Cambrian (485.4 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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