Granite and diorite

Felsic to intermediate, granitoid intrusive rocks. Includes Jurassic muscovite granodiorite, hornblende gabbro, tonalite, and quartz diorite of southwest Oregon (Smith and others, 1982)
State Oregon
Name Granite and diorite
Geologic age Triassic to Jurassic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granite (Pluton)Includes albite granite (OR035; OR103), hornblende quartz diorite (OR029), metamorphosed intrusive rocks (OR081); Oxbow Complex (OR104; OR105); and felsic phases of Canyon Mountain Complex (OR008; OR078)
Igneous > Plutonic > Dioritic > Quartz-diorite (Pluton)
Stratigraphic units Oxbow Complex (OR104; OR105), Canyon Mountain Complex (OR008; OR078)
References

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

Walker, G.W. and Repenning, C.A., 1965, Geologic map of Adel quadrangle, Lake, Harney, and Malheur Counties, Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-446, scale 1:250,000.

https://pubs.er.usgs.gov/publication/i446

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

Dickinson, W.R. and Vigrass, L.W., 1965, Geology of the Suplee-Izee area, Crook, Grant, and Harney Counties, Oregon: Oregon Department of Geology and Mineral Industries Bulletin 58, 109 p.

Gilluly, James, 1937, Geology and mineral resources of the Baker quadrangle, Oregon: U.S. Geological Survey Bulletin 879, 199 p.

https://pubs.er.usgs.gov/publication/b879

Brooks, H.C., McIntyre, J.R., and Walker, G.W., 1976, Geology of the Oregon part of the Baker 1o by 2o quadrangle: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-7, scale 1:250,000.

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

Wilkinson, W.D. and Oles, K.F., 1968, Stratigraphy and paleoenvironments of the Cretaceous rocks, Mitchell quadrangle, Oregon: American Association of Petroleum Geologists Bulletin, v. 52, p. 129-161.

Robinson, P.T., 1975, Reconnaissance geologic map of the John Day Formation in the southwestern part of the Blue Mountains and adjacent areas, north-central Oregon: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-872, scale 1:125,000.

https://pubs.er.usgs.gov/publication/i872

Thayer, T.P., 1963, The Canyon Mountain complex, Oregon, and the alpine mafic magma stem: U.S. Geological Survey Professional Paper 475-C, p. C82-C85.

https://pubs.er.usgs.gov/publication/pp475C

Ashley, R.P., 1967, Metamorphic petrology and structure of the Burnt River Canyon area, northeastern Oregon: Stanford, California, Stanford University, Ph.D. dissertation, 236 p.

Gilluly, James, 1933, Replacement origin of the albite granite near Sparta, Oregon: U.S. Geological Survey Professional Paper 175-C, p. C65-C81.

https://pubs.er.usgs.gov/publication/pp175C

Vallier, T.L., 1967a, The geology of part of the Snake River Canyon and adjacent areas in northeastern Oregon and western Idaho: Corvallis, Oregon State University, Ph.D. dissertation, 297 p.

Vallier, T.L., 1967b, The geology of part of the Snake River Canyon and adjacent areas: Geology, Dissertation Abstracts, v. 28, no. 4, p. 1585-B.

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.

Ferns, M.L., Brooks, H.C., and Wheeler, G.R., 1984, Geology and gold deposits of the Bates quadrangle, Grant County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-31, scale 1:24,000.

Roback, R.C., Vander Meulen, D.B., King, H.D., Plouff, Donald, Munts, S.R., and Willett, S.L., 1987, Mineral resources of the Pueblo Mountains Wilderness Study Area, Harney County, Oregon, and Humboldt County, Nevada: U.S. Geological Survey Bulletin 1740-B, 30 p.

https://pubs.er.usgs.gov/publication/b1740B

NGMDB product
Counties Baker - Grant - Harney - Wallowa