Sedimentary rocks, partly metamorphosed (ORPZs;0)

State	Oregon
Name	Sedimentary rocks, partly metamorphosed
Geologic age	Paleozoic
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Clastic > Sandstone > Arenite (Bed) Metamorphic > Metasedimentary > Metaclastic > Argillite (Greenschist) Minor Metamorphic > Amphibolite (Amphibolite) Sedimentary > Clastic > Conglomerate (Bed) Metamorphic > Metasedimentary (Greenschist) Incidental Sedimentary > Chemical > Chert (Bed)
Stratigraphic units	Coffee Creek Formation (OR085; OR091), Spotted Ridge Formation (OR085; OR091)
References	Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000. Greene, R.C., Walker, G.W., and Corcoran, R.E., 1972, Geologic map of the Burns quadrangle, Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-680, scale 1:250,000. https://pubs.er.usgs.gov/publication/i680 Brown, C.E. and Thayer, T.P., 1966, Geologic map of the Canyon City quadrangle, northeastern Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-447, scale 1:250,000. https://pubs.er.usgs.gov/publication/i447 Walker, G.W., 1979, Reconnaissance geologic map of the Oregon part of the Grangeville quadrangle, Baker, Union, Umatilla, and Wallowa Counties, Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-1116, scale 1;250,000. https://pubs.er.usgs.gov/publication/i1116 Walker, G.W., 1977, Geologic map of Oregon east of the 121st meridian: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-902, scale 1:500,000. https://pubs.er.usgs.gov/publication/i902 Vallier, T.L., 1977, the Permian and Triassic Seven Devils Group, western Idaho and northeast Oregon: U.S. Geological Survey Bulletin 1437, 58 p. https://pubs.er.usgs.gov/publication/b1437 Merriam, C.W. and Berthiaume, S.A., 1943, Late Paleozoic formations of central Oregon: Geological Society of America Bulletin, v. 54, p. 145-172. Oles, K.F. and Enlows, H.E., 1971, Bedrock geology of the Mitchell quadrangle, Wheeler County, Oregon: Oregon Department of Geology and Mineral Industries Bulletin 72, 62 p. Swanson, D.A., 1969b, Lawsonite blueschist from north-central Oregon: U.S. Geological Survey Professional Paper 650-B, p. B8-B11. https://pubs.er.usgs.gov/publication/pp650B Kleweno, W.P. and Jeffords, R.M., 1961, Devonian rocks in the Suplee area of central Oregon [abs.]: Geological Society of America Special Paper 68, p. 34-35. Mamay, S.H. and Read, C.B., 1956, Additions to the flora of the Spotted Ridge Formation in central Oregon: U.S. Geological Survey Professional Paper, 274-I, p. I211-I226. https://pubs.er.usgs.gov/publication/pp274I Ferns, M.L., Brooks, H.C., and Avery, D.G., 1983, Geology and gold deposits map of the Greenhorn quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-28, scale 1:24,000. Brooks, H.C., Ferns, M.L., and Avery, D.G., 1984, Geology and gold deposits of the southwest quarter of the Bates quadrangle, Grant County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-35, scale 1:24,000. Brooks, H.C., Ferns, M.L., Wheeler, G.R., and Avery, D.G., 1983, Geology and gold deposits map of the northeast quarter of the Bates quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-29, scale 1:24,000 Ferns, M.L., Brooks, H.C., and Avery, D.G., 1983, Geology and gold deposits map of the Greenhorn Quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-28, scale 1:24,000.
NGMDB product	NGMDB product page for 16259
Counties	Baker - Crook - Grant - Harney

Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000.

Greene, R.C., Walker, G.W., and Corcoran, R.E., 1972, Geologic map of the Burns quadrangle, Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-680, scale 1:250,000.

https://pubs.er.usgs.gov/publication/i680

Brown, C.E. and Thayer, T.P., 1966, Geologic map of the Canyon City quadrangle, northeastern Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-447, scale 1:250,000.

https://pubs.er.usgs.gov/publication/i447

Walker, G.W., 1979, Reconnaissance geologic map of the Oregon part of the Grangeville quadrangle, Baker, Union, Umatilla, and Wallowa Counties, Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-1116, scale 1;250,000.

https://pubs.er.usgs.gov/publication/i1116

Walker, G.W., 1977, Geologic map of Oregon east of the 121st meridian: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-902, scale 1:500,000.

https://pubs.er.usgs.gov/publication/i902

Vallier, T.L., 1977, the Permian and Triassic Seven Devils Group, western Idaho and northeast Oregon: U.S. Geological Survey Bulletin 1437, 58 p.

https://pubs.er.usgs.gov/publication/b1437

Merriam, C.W. and Berthiaume, S.A., 1943, Late Paleozoic formations of central Oregon: Geological Society of America Bulletin, v. 54, p. 145-172.

Oles, K.F. and Enlows, H.E., 1971, Bedrock geology of the Mitchell quadrangle, Wheeler County, Oregon: Oregon Department of Geology and Mineral Industries Bulletin 72, 62 p.

Swanson, D.A., 1969b, Lawsonite blueschist from north-central Oregon: U.S. Geological Survey Professional Paper 650-B, p. B8-B11.

https://pubs.er.usgs.gov/publication/pp650B

Kleweno, W.P. and Jeffords, R.M., 1961, Devonian rocks in the Suplee area of central Oregon [abs.]: Geological Society of America Special Paper 68, p. 34-35.

Mamay, S.H. and Read, C.B., 1956, Additions to the flora of the Spotted Ridge Formation in central Oregon: U.S. Geological Survey Professional Paper, 274-I, p. I211-I226.

https://pubs.er.usgs.gov/publication/pp274I

Ferns, M.L., Brooks, H.C., and Avery, D.G., 1983, Geology and gold deposits map of the Greenhorn quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-28, scale 1:24,000.

Brooks, H.C., Ferns, M.L., and Avery, D.G., 1984, Geology and gold deposits of the southwest quarter of the Bates quadrangle, Grant County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-35, scale 1:24,000.

Brooks, H.C., Ferns, M.L., Wheeler, G.R., and Avery, D.G., 1983, Geology and gold deposits map of the northeast quarter of the Bates quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-29, scale 1:24,000

Ferns, M.L., Brooks, H.C., and Avery, D.G., 1983, Geology and gold deposits map of the Greenhorn Quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-28, scale 1:24,000.