Jake Creek ultramafic body

occurrence of asbestos in Beaverhead county, MT

Geologic information

Name of siteJake Creek ultramafic body
Developmentoccurrence
StateMT
CountyBeaverhead
Geographic location:-112.5167, 44.9589
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Fibrous mineralcross-fiber veins of anthophyllite
Associated mineralsserpentine
talc
chlorite
phlogopite
tremolite
magnetite
hornblende
calcic plagioclase
Host rock typesserpentinite
Geologic map unit-112.5167, 44.9589
Nearby scientific dataFind additional scientific data near this location

Reference information

Sinkler, Helen, 1942, Geology and ore deposits of the Dillon nickel prospect, southwestern Montana: Economic Geology, v. 37, no. 2, p. 136-152.
[http://econgeol.geoscienceworld.org/cgi/reprint/37/2/136]
Heinrich, E.W., and Rabbitt, J.C., 1960, Pre-Beltian geology of the Cherry Creek and Ruby Mountains area, southwestern Montana: Montana Bureau of Mines and Geology Memoir 38, 40 p., 2 plates.
Tysdal, R.G., 1988, Geologic map of the northeast flank of the Blacktail Mountains, Beaverhead County, Montana: U.S. Geological Survey Miscellaneous Field Studies Map MF-2041, scale 1:24,000.
[http://pubs.er.usgs.gov/publication/mf2041]
Hammarstrom, J.M., Van Gosen, B.S., Carlson, R.R., and Kulik, D.M., 1999, Map showing the potential for mineral deposits associated with Precambrian mafic and ultramafic rocks in the Blacktail and Henrys Lake Mountains and the Greenhorn and Ruby Ranges of southwestern Montana: U.S. Geological Survey Open-File Report 98-224-D, 1 sheet, scale 1:250,000.
[http://pubs.er.usgs.gov/publication/ofr98224D]