Rainy Creek complex

occurrence of asbestos in Lincoln county, MT

Geologic information

Name of siteRainy Creek complex
Developmentoccurrence
StateMT
CountyLincoln
Geographic location:-115.4081, 48.4348
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Fibrous mineralasbestiform winchite, asbestiform richterite, asbestiform tremolite
Associated mineralscalcite
talc
dolomite
K-feldspar
pyroxene
hydrobiotite
quartz
vermiculite
biotite
magnesioriebeckite
magnesio-arfvedsonite
Host rock typesbiotitite, biotite pyroxenite, magnetite pyroxenite
Geologic map unit-115.4081, 48.4348
Nearby scientific dataFind additional scientific data near this location

Reference information

Pardee, J.J., and Larsen, E.S., 1929, Deposits of vermiculite and other minerals in the Rainy Creek district near Libby, Montana: U.S. Geological Survey Bulletin 805-B, 13 p.
[http://pubs.er.usgs.gov/publication/b805B]
Bowles, Oliver, and Stoddard, B.H., 1930, Asbestos, in Katz, F.J., ed., Mineral resources of the United States, 1928, Part II--Nonmetals: U.S. Bureau of Mines, p. 97-111.
Perry, E.S., 1948, Talc, graphite, vermiculite and asbestos deposits in Montana: Montana Bureau of Mines and Geology Memoir No. 27, 44 p.
Bassett, W.A., 1959, The origin of the vermiculite deposit at Libby, Montana: American Mineralogist, v. 44, nos. 3-4, p. 282-299.
[http://www.minsocam.org/ammin/AM44/AM44_282.pdf]
Sahinen, U.M., and Crowley, F.A., 1959, Summary of Montana mineral resources: Montana Bureau of Mines and Geology Bulletin 11, 53 p.
Boettcher, A.L., 1967, The Rainy Creek alkaline-ultramafic igneous complex near Libby, Montana--I, Ultramafic rocks and fenite: Journal of Geology, v. 75, no. 5, p. 526-553.
Wylie, A.G., and Verkouteren, J.R., 2000, Amphibole asbestos from Libby, Montana--Aspects of nomenclature: American Mineralogist, v. 85, p. 1540-1542.
[http://www.minsocam.org/ammin/AM85/AM85_1540.pdf]
Meeker, G.P., Bern, A.M., Brownfield, I.K., Lowers, H.A., Sutley, S.J., Hoefen, T.M., and Vance, J.S., 2003, The composition and morphology of amphiboles from the Rainy Creek Complex, near Libby, Montana: American Mineralogist, v. 88, nos. 11-12, part 2, p. 1955-1969.
[http://www.minsocam.org/ammin/AM88/AM88_1955.pdf]
Peipins, L.A., Lewin, M., Campolucci, S., Lybarger, J.A., Miller, A., Middleton, D., Weis, C., Spence, M., Black, B., and Kapil, V., 2003, Radiographic abnormalities and exposure to asbestos-contaminated vermiculite in the community of Libby, Montana, U.S.A.: Environmental Health Perspectives, v. 111, no. 14, p. 1753-1759.
Sullivan, P.A., 2007, Vermiculite, respiratory disease, and asbestos exposure in Libby, Montana--Update of a cohort mortality study: Environmental Health Perspectives, v. 115, no. 4, p. 579-585.