John Stacker's quarry

occurrence of asbestos in Delaware county, PA

Geologic information

Name of siteJohn Stacker's quarry
Developmentoccurrence
StatePA
CountyDelaware
Geographic location:-75.368, 40.047
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Fibrous mineralamphibole asbestos, chrysotile
Associated mineralsserpentine
enstatite
chromite
vermiculite
sepiolite
genthite
quartz
chalcedony
Host rock typesmetapyroxenite, metaperidotite
Geologic map unit-75.368, 40.047
Nearby scientific dataFind additional scientific data near this location

Reference information

Rand, T.D., Jefferis, W.W., and Cardeza, J.T.M., 1893, Mineral localities of Philadelphia and vicinity: Proceedings of the Academy of Natural Sciences of Philadelphia--1892, v. 44, p. 174-202.
Gordon, S.G., 1922, The mineralogy of Pennsylvania: The Academy of Natural Sciences of Philadelphia Special Publication No. 1, 255 p.
Pearre, N.C., and Heyl, A.V., Jr., 1960, Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware: U.S. Geological Survey Bulletin 1082-K, p. 707-833, plates 40-47.
[http://pubs.er.usgs.gov/publication/b1082K]