Terrace gravels (ORQTg;0)

State	Oregon
Name	Terrace gravels
Geologic age	Pliocene to Pleistocene
Lithologic constituents	Major Unconsolidated > Coarse-detrital > Gravel (Terrace-stream) Unconsolidated > Fine-detrital (Terrace-stream)Unconsolidated to poorly consolidated, poorly sorted gravels and bouldery soil above modern stream channels. Unconsolidated > Coarse-detrital > Boulders (Terrace-stream)
References	Walker, G.W. and MacLeod, N.S., 1991, Geologic map of Oregon: U.S. Geological Survey, scale 1:500,000. 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 Wolff, E.N., 1965, The geology of the northern half of the Caviness quadrangle, Oregon: Eugene, University of Oregon, Ph.D. dissertation, 214 p. Evans, J.G., 1990a, Geology and mineral resources map of the Jonesboro Quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-66, scale 1:24,000. Brooks, H.C., Ferns, M.L., and Mullen, A.D., 1982, Geology and mineral deposits of the Granite quadrangle, Grant County, Oregon: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-25, scale 1:24,000. Evans, J.G., Geologic map of the Dooley Mountain quadrangle, Baker County, Oregon: U.S. Geological Survey Geological Quadrangle GQ-1694, scale 1: 24,000. https://pubs.er.usgs.gov/publication/gq1694 Ferns, M.L., 1989, Geology and mineral resources of the Adrian quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-56, scale 1:24,000. Ferns, M.L., Brooks, H.C., and Ducette, J., 1982, Geology and mineral resources map of the Mt. Ireland quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series, GMS-22, scale 1:24,000. Brown, D.E., 1982, Map showing geology and geothermal resources of the Vale East 71/2' quadrangle, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-21, scale 1:24,000. Brooks, H.C., 1979, Geologic map of the Oregon part of the Mineral quadrangle: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-12, scale 1:62,500. Ferns, M.L. and Urbanczyk, K.M., 1990, Geology and mineral resources mao of the Mitchell Butte quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-61, scale 1:24,000. Ramp, Len, and Ferns, M.L., 1989, Geology and mineral resources map of the Double Mountain quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-58, scale 1:24,000. Brooks, H.C., Geology and mineral resources map of the Vines Hill quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-63, scale 1:24,000. Evans, J.G., 1989, Geologic map of the Desolation Butte quadrangle, Grant and Umatilla Counties, Oregon: U.S. Geological Survey Geologic Quadrangle GQ-1654, scale 1:62,500. https://pubs.er.usgs.gov/publication/gq1654 Evans, J.G., 1993, Geologic map of the Brannan Gulch quadrangle, Baker County, Oregon: U.S. Geological Survey Geological Quadrangle GQ-1744, scale 1:24,000. https://pubs.er.usgs.gov/publication/gq1744 Prostka, H.J., 1968, Geologic map of the Ironside 15' quad, Oregon: Oregon Department of Geology and Mineral Industries, scale 1:62,500. Evans, J.G., Rytuba, J.J., Binger, G.B., and Hooper, P.R., 1999, Preliminary geologic map of the Star Creek Reservoir quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 99-583, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr99583 Ferns, M.L. and Urbanczyk, K., 1990, Preliminary geologic map of the Kane Spring Gulch quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Open-File Map O-90-03, scale 1:24,000. Rytuba, J.J., Vander Meulen, D.B., Vercoutere, T.L., and Minor, S.A., 1982b, Reconnaissance geologic map of the Borax Lake quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 82-1126, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr821126 Johnson, J.A., Hooper, P.R., Hawkesworth, C.J., and Binger, G.B., 1998b, Geologic map of the Stemmler Ridge quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 98-105, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr98105 Minor, S.A., Vander Meulen, D.B., Rytuba, J.J., and Vercoutere, T.L., 1989, Geologic map of The V quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 89-351, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr89351 Rytuba, J.J., Bateson, J.T., Curtis, D.L., Jr., and Cox, G.A., 1983, Geologic map of the Little Whitehorse Creek quadrangle, Harney and Malheur Counties, Oregon: U.S. Geological Survey Miscellaneous Field Studies Map MF-1472, scale 1:24,000. https://pubs.er.usgs.gov/publication/mf1472 Rytuba, J.J., Minor, S.A., Conrad, W.K., and Vander Meulen, D.B., 1982, Geologic map of the Trout Creek Canyon quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 82-281, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr82281 Rytuba, J.J., Minor, S.A., Miller, R.J., and Vander Meulen, D.B., 1983, Geologic map of the Red Mountain quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 83-0282, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr83282 Rytuba, J.J., Minor, S.A., Miller, R.J., and Vander Meulen, D.B., 1983, Geologic map of the Red Lookout Butte quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 83-0283, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr83283 Rytuba, J.J., Minor, S.A., and Vander Meulen, D.B., 1983, Reconnaissance geologic map of the Whitehorse Ranch quadrangle, Harney and Malheur Counties, Oregon: U.S. Geological Survey Open-File Report 83-0284, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr83284 Rytuba, J.J., Minor, S.A., and Vander Meulen, D.B., 1983, Geologic map of the Pole Canyon quadrangle, Harney County, Oregon: U.S.Geological Survey Open-File Report 83-0285, scale 1:24,000. Vander Meulen, D.B., Rytuba, J.J., Grubensky, M.J., and Goeldner, C.A., 1987, Geologic map of the Bannock Ridge 7.5' quadrangle, Malheur County, Oregon: U.S. Geological Survey Miscellaneous Field Studies Map MF-1903A, scale 1:24,000. https://pubs.er.usgs.gov/publication/mf1903 Vander Meulen, D.B., Rytuba, J.J., Minor, S.A., and Harwood, C.S., 1989, Preliminary geologic map of the Three Fingers Rock quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 89-344, scale 1:24,000. https://pubs.er.usgs.gov/publication/ofr89344 Whitsun, N.W., 1988, Geochemical stratigraphy of the Dooley Rhyolite Breccia and Tertiary basalts in the Dooley Mountain quadrangle, Oregon: Portland, Oregon, Portland State University, master's thesis, 122 p. Carlat, J.E., 1954, The geology of the southwestern part of the Jamieson quadrangle, Oregon: Eugene, University of Oregon, master's thesis, 86 p. Waters, A.C., 1968, Reconnaissance geologic map of the Madras quadrangle, Jeffereson and Wasco Counties, Oregon" U.S. Geological Survey Miscellaneous Geological Investigations Map I-555, scale 1;125,000. https://pubs.er.usgs.gov/publication/i555
NGMDB product	NGMDB product page for 16259
Counties	Baker - Crook - Grant - Harney - Jefferson - Lake - Linn - Malheur - Wasco

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

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

Wolff, E.N., 1965, The geology of the northern half of the Caviness quadrangle, Oregon: Eugene, University of Oregon, Ph.D. dissertation, 214 p.

Evans, J.G., 1990a, Geology and mineral resources map of the Jonesboro Quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-66, scale 1:24,000.

Brooks, H.C., Ferns, M.L., and Mullen, A.D., 1982, Geology and mineral deposits of the Granite quadrangle, Grant County, Oregon: Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-25, scale 1:24,000.

Evans, J.G., Geologic map of the Dooley Mountain quadrangle, Baker County, Oregon: U.S. Geological Survey Geological Quadrangle GQ-1694, scale 1: 24,000.

https://pubs.er.usgs.gov/publication/gq1694

Ferns, M.L., 1989, Geology and mineral resources of the Adrian quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-56, scale 1:24,000.

Ferns, M.L., Brooks, H.C., and Ducette, J., 1982, Geology and mineral resources map of the Mt. Ireland quadrangle, Baker and Grant Counties, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series, GMS-22, scale 1:24,000.

Brown, D.E., 1982, Map showing geology and geothermal resources of the Vale East 71/2' quadrangle, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-21, scale 1:24,000.

Brooks, H.C., 1979, Geologic map of the Oregon part of the Mineral quadrangle: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-12, scale 1:62,500.

Ferns, M.L. and Urbanczyk, K.M., 1990, Geology and mineral resources mao of the Mitchell Butte quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-61, scale 1:24,000.

Ramp, Len, and Ferns, M.L., 1989, Geology and mineral resources map of the Double Mountain quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-58, scale 1:24,000.

Brooks, H.C., Geology and mineral resources map of the Vines Hill quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Geological Map Series GMS-63, scale 1:24,000.

Evans, J.G., 1989, Geologic map of the Desolation Butte quadrangle, Grant and Umatilla Counties, Oregon: U.S. Geological Survey Geologic Quadrangle GQ-1654, scale 1:62,500.

https://pubs.er.usgs.gov/publication/gq1654

Evans, J.G., 1993, Geologic map of the Brannan Gulch quadrangle, Baker County, Oregon: U.S. Geological Survey Geological Quadrangle GQ-1744, scale 1:24,000.

https://pubs.er.usgs.gov/publication/gq1744

Prostka, H.J., 1968, Geologic map of the Ironside 15' quad, Oregon: Oregon Department of Geology and Mineral Industries, scale 1:62,500.

Evans, J.G., Rytuba, J.J., Binger, G.B., and Hooper, P.R., 1999, Preliminary geologic map of the Star Creek Reservoir quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 99-583, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr99583

Ferns, M.L. and Urbanczyk, K., 1990, Preliminary geologic map of the Kane Spring Gulch quadrangle, Malheur County, Oregon: Oregon Department of Geology and Mineral Industries Open-File Map O-90-03, scale 1:24,000.

Rytuba, J.J., Vander Meulen, D.B., Vercoutere, T.L., and Minor, S.A., 1982b, Reconnaissance geologic map of the Borax Lake quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 82-1126, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr821126

Johnson, J.A., Hooper, P.R., Hawkesworth, C.J., and Binger, G.B., 1998b, Geologic map of the Stemmler Ridge quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 98-105, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr98105

Minor, S.A., Vander Meulen, D.B., Rytuba, J.J., and Vercoutere, T.L., 1989, Geologic map of The V quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 89-351, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr89351

Rytuba, J.J., Bateson, J.T., Curtis, D.L., Jr., and Cox, G.A., 1983, Geologic map of the Little Whitehorse Creek quadrangle, Harney and Malheur Counties, Oregon: U.S. Geological Survey Miscellaneous Field Studies Map MF-1472, scale 1:24,000.

https://pubs.er.usgs.gov/publication/mf1472

Rytuba, J.J., Minor, S.A., Conrad, W.K., and Vander Meulen, D.B., 1982, Geologic map of the Trout Creek Canyon quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 82-281, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr82281

Rytuba, J.J., Minor, S.A., Miller, R.J., and Vander Meulen, D.B., 1983, Geologic map of the Red Mountain quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 83-0282, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr83282

Rytuba, J.J., Minor, S.A., Miller, R.J., and Vander Meulen, D.B., 1983, Geologic map of the Red Lookout Butte quadrangle, Harney County, Oregon: U.S. Geological Survey Open-File Report 83-0283, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr83283

Rytuba, J.J., Minor, S.A., and Vander Meulen, D.B., 1983, Reconnaissance geologic map of the Whitehorse Ranch quadrangle, Harney and Malheur Counties, Oregon: U.S. Geological Survey Open-File Report 83-0284, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr83284

Rytuba, J.J., Minor, S.A., and Vander Meulen, D.B., 1983, Geologic map of the Pole Canyon quadrangle, Harney County, Oregon: U.S.Geological Survey Open-File Report 83-0285, scale 1:24,000.

Vander Meulen, D.B., Rytuba, J.J., Grubensky, M.J., and Goeldner, C.A., 1987, Geologic map of the Bannock Ridge 7.5' quadrangle, Malheur County, Oregon: U.S. Geological Survey Miscellaneous Field Studies Map MF-1903A, scale 1:24,000.

https://pubs.er.usgs.gov/publication/mf1903

Vander Meulen, D.B., Rytuba, J.J., Minor, S.A., and Harwood, C.S., 1989, Preliminary geologic map of the Three Fingers Rock quadrangle, Malheur County, Oregon: U.S. Geological Survey Open-File Report 89-344, scale 1:24,000.

https://pubs.er.usgs.gov/publication/ofr89344

Whitsun, N.W., 1988, Geochemical stratigraphy of the Dooley Rhyolite Breccia and Tertiary basalts in the Dooley Mountain quadrangle, Oregon: Portland, Oregon, Portland State University, master's thesis, 122 p.

Carlat, J.E., 1954, The geology of the southwestern part of the Jamieson quadrangle, Oregon: Eugene, University of Oregon, master's thesis, 86 p.

Waters, A.C., 1968, Reconnaissance geologic map of the Madras quadrangle, Jeffereson and Wasco Counties, Oregon" U.S. Geological Survey Miscellaneous Geological Investigations Map I-555, scale 1;125,000.

https://pubs.er.usgs.gov/publication/i555