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Mineral Resources On-Line Spatial Data

Dolostone, limestone, siltstone, arenite, and chert; Devonian and Silurian marine upper continental-slope deposits; east-central and central Idaho;

Devonian and Silurian shallow-water marine carbonate units of east-central Idaho.
StateIdaho
NameDolostone, limestone, siltstone, arenite, and chert; Devonian and Silurian marine upper continental-slope deposits; east-central and central Idaho;
Geologic ageDevonian and Silurian
Original map labelDS; DSc; O
CommentsIn east-central Idaho, the stratigraphic units listed above are grouped into the DS unit on the state geologic map.
Primary rock typedolostone (dolomite)
Secondary rock typelimestone
Other rock typessiltstone; arenite; chert
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)commonly fine- to medium-crystalline
Minor
Sedimentary > Clastic > Siltstone (Bed)calcareous to dolomitic
Sedimentary > Carbonate > Limestone (Bed)reefoid and crinoidal in eastern Roberts Mtns Fm
Incidental
Sedimentary > Chemical > Chert (Lense)abundant in lower 60m of Laketown Dolomite
Sedimentary > Clastic > Sandstone > Arenite (Bed)quartzitic
Map references
Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000.
Unit references
Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000.
Rember, W.C., and Bennett, E.H., 1979, Geologic map of the Dubois quadrangle, Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology Map Series, Dubois 2o quadrangle, scale 1:250,000.
Link, P.K., Mahoney, J.B., Bruner, D.J., Batatian, L.D., Wilson, Eric and Williams, F.J.C., 1995, Stratigraphic setting of sediment-hosted mineral deposits in the eastern part of the Hailey 1o x 2o quadrangle and part of the southern part of the Challis 1o x 2o quadrangle, south-central Idaho: in Worl, R.G., Link, P.K., Winkler, G.R., and Johnson, K.M., eds., Geology and mineral resources of the Hailey 1o x 2o quadrangle and the western part of the Idaho Falls 1o x 2o quadrangle, Idaho: U.S. Geological Survey Bulletin 2064-C, p. C1-C33 (includes geologic map, scale 1:100,000), prepared in cooperation with the Idaho Geological Survey, Idaho State University, and University of Idaho.
Mapel, W.J., Read, W.H., and Smith, R.K., 1965, Geologic map and sections of the Doublespring quadrangle, Custer and Lemhi Counties, Idaho: U.S. Geological Survey, Map GQ-464, scale 1:62,500.
Skipp, Betty and Sandberg, C.A., 1975, Silurian and Devonian miogeosynclinal and transitional rocks of the Fish Creek reservoir window, central Idaho: U.S. Geological Survey Journal of Research, v. 3, no. 6, p. 691-706.
Dover, J.H., 1983, Geologic map and sections of the central Pioneer Mountains, Blaine and Custer Counties, central Idaho: U.S. Geological Survery Miscellaneous Investigations Series Map I-1319, 1 sheet, scale 1:48,000.
Rember, W.C. and Bennett, E.H., 1979, Geologic map of the Challis quadrangle, Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, Geologic Map Series, Challis 2o quadrangle, scale 1:250,000.
Geographic coverageBlaine - Custer - Lemhi - Owyhee

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