Rockdale (Jacob Side's) pits

past producer of asbestos in Delaware county, PA

Geologic information

Name of siteRockdale (Jacob Side's) pits
Developmentpast producer
StatePA
CountyDelaware
Geographic location:-75.431, 39.882
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Fibrous mineralamphibole asbestos
Associated mineralsenstatite
serpentine
quartz
talc
Host rock typesmetapyroxenite
Geologic map unit-75.431, 39.882
Nearby scientific dataFind additional scientific data near this location

Reference information

Genth, F.A., 1875, Preliminary report on the mineralogy of Pennsylvania: Second Geological Survey of Pennsylvania--1874, Mineralogy, B, 238 p.
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]