| State | Washington |
|---|---|
| Name | Tertiary nonmarine rocks, undivided |
| Geologic age | Tertiary; mostly Eocene |
| Lithologic constituents |
Major
Sedimentary > Clastic > Conglomerate (Bed)
Minor
Igneous > Volcanic (Pyroclastic-tuff, Flow, Volcaniclastic-volcanic breccia)Dacitic at Carter Mountain.
Sedimentary > Clastic > Mudstone > Shale (Bed)
Sedimentary > Clastic > Sandstone (Bed, Arkosic)Lithic to feldspathic; some arkose locally.
Incidental
Sedimentary > Clastic > Mudstone > Claystone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
|
| Stratigraphic units | Sheep Creek conglomerate; Tiger Formation; Sanpoil volcanics (in part); Huntingdon Formation |
| References | Huntting, M.T., Bennett, W.A.G., Livingston, V.E.Jr., and Moen, W.S., 1961, Geologic Map of Washington: Washington Division of Mines and Geology, scale 1:500,000.Park, C.F.Jr., and Cannon, R.S.Jr., 1943, Geology and Ore Deposits of the Metaline Quadrangle, Washington: U. S. Geological Survey Professional Paper 202, 81 p.Stoffel, K.L., Joseph, N.L., Waggoner, S.Z., Gulick, C.W., Korosec, M.A., Bunning, B.B., 1991, Geologic Map of Washington--Northeast Quadrant: Washington Division of Geology and Earth Resources Geologic Map, GM-39, scale 1:250,000.Schroeder, M.C., 1952, Geology of the Bead Lake District, Pend Oreille County, Washington: Washington Division of Mines and Geology Bulletin No. 40, 57 p.Mills, J.W., 1985, Geologic Maps of the Marcus and Kettle Falls Quadrangles, Stevens and Ferry Counties, Washington: Washington Division of Geology and Earth Resources Geologic Map GM-32, scale 1:24,000.Rinehart, C.D., and Fox, K.F.Jr., 1976, Bedrock Geology of the Conconully Quadrangle, Okanogan County, Washington: U. S. Geological Survey Bulletin 1402, 58 p.Rinehart, C.D., and Fox, K.F.Jr., 1972, Geology and Mineral Deposits of the Loomis Quadrangle, Okanogan County, Washington: Washington Division of Mines and Geology Bulletin No. 64, 124 p.Yates, R.G. and Engels, J.C., 1968, Potassium-Argon Ages of Some Igneous Rocks in Northern Stevens County, Washingon: U. S. Geological Survey Professional Paper 600-D, p. D242-D247.Joseph, N.L., 1990a, Geologic Map of the Colville 1:100,000 Quadrangle, Washington-Idaho: Washington Division of Geology and Earth Resources Open File Report 90-13, 78 p., 1 pl.Dragovich, J.D., Logan, R.L., Schasse, H.W., Walsh, T.J., Lingley, W.S., Jr., Norman, D.K., Gerstel, W.J., Lapen, T.J., Schuster, J.E., Meyers, K.D., 2002, Geologic Map of Washington-Northwest Quadrant: Washington Division of Geology and Earth Resources Geologic Map GM-50, scale 1:250,000. |
| NGMDB product | |
| Counties | Okanogan - Pend Oreille - Stevens - Whatcom |