Piney Branch Complex

occurrence of asbestos in Fairfax county, VA

Geologic information

Name of sitePiney Branch Complex
Geographic location:-77.33, 38.86
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Fibrous mineralactinolite-tremolite asbestos, chrysotile
Associated mineralsantigorite
Host rock typesperidotite, pyroxenite, metagabbro, serpentinite, actinolite schist
Geologic map unit-77.33, 38.86
Nearby scientific dataFind additional scientific data near this location

Reference information

Ross, M., and Nolan, R.P., 2003, History of asbestos discovery and use and asbestos-related disease in context with the occurrence of asbestos within ophiolite complexes, in Dilek, Y., and Newcomb, S., eds., Ophiolite concept and the evolution of geological thought: Geological Society of America Special Paper 373, p. 447-470.
Drake, A.A., Jr., 1986, Geologic map of the Fairfax quadrangle, Fairfax County, Virginia: U.S. Geological Survey Geologic Quadrangle Map GQ-1600, scale 1:24,000.
Drake, A.A., Jr., and Lee, K.Y., 1989, Geologic map of the Vienna quadrangle, Fairfax County, Virginia, and Montgomery County, Maryland: U.S. Geological Survey Geologic Quadrangle Map GQ-1670, scale 1:24,000.
Drake, A.A., Jr., and Morgan, B.A., 1981, The Piney Branch complex--A metamorphosed fragment of the central Appalachian ophiolite in northern Virginia: American Journal of Science, v. 281, p. 484-508.
Drake, A.A., Jr., Froelich, A.J., Weems, R.E., and Lee, K.Y., 1994, Geologic map of the Manassas quadrangle, Fairfax and Prince William Counties, Virginia: U.S. Geological Survey Geologic Quadrangle Map GQ-1732, scale 1:24,000.
Dusek, C.J., and Yetman, J.M., 2002, Control and prevention of asbestos exposure from construction in naturally occurring asbestos: Fairfax, Va., Fairfax County Health Department, Air Pollution Control Division, 17 p.