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Prince's Soapstone Quarry, Lafayette, Philadelphia Co., Pennsylvania, USA

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Latitude & Longitude (WGS84): 40° 3' 15'' North , 75° 15' 47'' West
Latitude & Longitude (decimal): 40.05442,-75.26325
Köppen climate type:Cfa : Humid subtropical climate


A soapstone quarry located ¼ mile S of Lafayette Station, P. & R. Railway, on the Schuylkill River. Meta-periodot, meta-pyroxenite, meta-gabbro, Wissahickon gneiss and pegmatite. Locality also includes a Pennsylvania Railroad cut, exposures in woods (vicinity of the quarry) and rock in adjacent woods, E of the quarry (debris from older excavations).

Lafayette Station was located on Manor road, now called Miquon Station.

Soapstone quarry purportedly operating as early as the 18th Century, on observation of local soapstone headstones of early German-American district landowners found in the graveyard of St. Peter's Lutheran church (1761) on Church Road in Whitemarsh township, Just North of the district. The Soapstone quarry was recorded in operation by at least 1848, under the ownership of prominent Montgomery County attorney John Freedley. Purchased and operated in 1853 by wealthy Philadelphia marble merchant, Samuel Prince, the soapstone quarry became part of his country estate, aptly named "Rockdale." The quarry was listed as idle by the time of Gordon's publication (1922).


Mineral List


21 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

Paleozoic
252.17 - 541 Ma



ID: 2888998
Ultramafic rocks

Age: Paleozoic (252.17 - 541 Ma)

Description: Includes serpentine, steatite, and other products of alteration of peridotites and pyroxenites.

Comments: Digital map differences from 1980 printed map: name and map symbol changed from Xs (Serpentinite).

Lithology: Major:{serpentinite}, Minor:{metaperidotite,metapyroxenite}

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]

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



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References

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Philadelphia city directories (1853).
Theodore W. Bean, ed. (1884), History of Montgomery County, Pennsylvania, Philadelphia, Everts & Peck, 1884), I: 545.
Gordon, Samuel S. (1922), Mineralogy of Pennsylvania: 221-222.
Plot G.14, Coded property records, Henry Houston estate papers, University of Pennsylvania archives, Philadelphia.

Mineral and/or Locality  
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