Castle Rock occurrence

occurrence of asbestos in Delaware county, PA

Geologic information

Name of siteCastle Rock occurrence
Developmentoccurrence
StatePA
CountyDelaware
Geographic location:-75.438, 39.976
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Fibrous mineralanthophyllite asbestos
Associated mineralsolivine
enstatite
hypersthene
tremolite
talc
serpentine
limonite
chalcedony
Host rock typesmetapyroxenite, metaperidotite
Geologic map unit-75.438, 39.976
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.