Relevant bibliographies by topics / Basalt – Oregon – Columbia County

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Basalt – Oregon – Columbia County'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Basalt – Oregon – Columbia County"

1

MANGAN, MARGARET T., THOMAS L. WRIGHT, DONALD A. SWANSON, and GARY R. BYERLY. "Regional correlation of Grande Ronde Basalt flows, Columbia River Basalt Group, Washington, Oregon, and Idaho." Geological Society of America Bulletin 97, no. 11 (1986): 1300. http://dx.doi.org/10.1130/0016-7606(1986)97<1300:rcogrb>2.0.co;2.

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Steenland, N. C. "On: “A Case Study of Integrated Hydrocarbon Exploration Through Basalt,” by Robert Withers, Dwight Eggers, Thomas Fox, and Terry Crebs (November 1994 GEOPHYSICS 59, p 1666–1679)." GEOPHYSICS 61, no. 3 (1996): 914. http://dx.doi.org/10.1190/1.1444016.

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This paper describes geophysical exploration in northern Oregon, an area covered by the Columbia River Basalt Group (CRBG) on the surface. Obtaining geophysical results through these basalts is a major problem. Magnetic, gravity, seismic, MT and subsurface data are utilized.
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Sheldon, Nathan D. "Pedogenesis and geochemical alteration of the Picture Gorge subgroup, Columbia River basalt, Oregon." Geological Society of America Bulletin 115, no. 11 (2003): 1377. http://dx.doi.org/10.1130/b25223.1.

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Hooper, P. R., B. A. Gillespie, and M. E. Ross. "The Eckler Mountain basalts and associated flows, Columbia River Basalt Group." Canadian Journal of Earth Sciences 32, no. 4 (1995): 410–23. http://dx.doi.org/10.1139/e95-035.

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Recent mapping of flows of the Columbia River Basalt Group between Lewiston and Pomeroy, southeast Washington, places the chemically distinctive Shumaker Creek flow as a new member between the Frenchman Springs and Roza members of the Wanapum Basalt. This leaves the Eckler Mountain Formation composed of only the Robinette Mountain and Dodge chemical types, with the Lookingglass flow forming the base of the overlying Wanapum Basalt. One Robinette Mountain flow and five separate flows of Dodge composition are recognized and traced across the Blue Mountains Anticline of southeast Washington and n
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Mathews, W. H. "Neogene Chilcotin basalts in south-central British Columbia: geology, ages, and geomorphic history." Canadian Journal of Earth Sciences 26, no. 5 (1989): 969–82. http://dx.doi.org/10.1139/e89-078.

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An extensive but generally thin mantle of basalt flows, the Chilcotin Group, covers much of the Interior Plateau of south-central British Columbia. It provides material for dating and for reconstructing the original form of the paleosurface on which it was deposited. K–Ar whole-rock dates demonstrate that several ages of basalt are represented, from Early Miocene (or even Late Oligocene?) to Early Pleistocene, with particularly abundant eruptions about 14–16, 9–6, and 1–3 Ma ago.Basalts of Middle Miocene and later ages, if not the Early Miocene relics as well, clearly rest on land surfaces of
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CHURCH, S. E. "Genetic interpretation of lead-isotopic data from the Columbia River Basalt Group, Oregon, Washington, and Idaho." Geological Society of America Bulletin 96, no. 5 (1985): 676. http://dx.doi.org/10.1130/0016-7606(1985)96<676:gioldf>2.0.co;2.

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Kahn, Maureen, Annia K. Fayon, and Basil Tikoff. "Constraints on the post-orogenic tectonic history along the Salmon River suture zone from low-temperature thermochronology, western Idaho and eastern Oregon." Rocky Mountain Geology 55, no. 1 (2020): 27–54. http://dx.doi.org/10.24872/rmgjournal.55.1.27.

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ABSTRACT The abrupt boundary between accreted terranes and cratonic North America is well exposed along the Salmon River suture zone in western Idaho and eastern Oregon. To constrain the post-suturing deformation of this boundary, we assess the cooling history using zircon and apatite (U–Th)/He thermochronology. Pre-Miocene granitic rocks, along a regional transect, were sampled from accreted terranes of the Blue Mountains Province to cratonic North America (Idaho batholith). Each sample was taken from a known structural position relative to a paleotopographic surface represented by the basal
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Withers, Robert, Dwight Eggers, Thomas Fox, and Terry Crebs. "A case study of integrated hydrocarbon exploration through basalt." GEOPHYSICS 59, no. 11 (1994): 1666–79. http://dx.doi.org/10.1190/1.1443555.

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A large unexplored tectonic basin with the potential for significant hydrocarbon accumulations was identified in north‐central Oregon using a variety of geophysical techniques. The basin, informally named after the local town of Heppner, is covered by several thousand feet of Miocene Columbia River Basalt Group (CRBG) but is readily identified by a gravity low against the Blue Mountains Uplift. The Paleocene/Eocene Herren Formation (Pigg, 1961), which outcrops on the Blue Mountains Uplift south of the Heppner Basin, offered good source and reservoir potential. Based on lateral extent, thicknes
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Miller, Brian M., Robert J. Aitken, Michael J. Oldham, and Anton A. Reznicek. "Slender False Brome (Brachypodium sylvaticum, Poaceae), an Invasive Grass New to Ontario, Canada." Canadian Field-Naturalist 125, no. 3 (2011): 235. http://dx.doi.org/10.22621/cfn.v125i3.1226.

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Brachypodium sylvaticum, Slender False Brome, an invasive Eurasian grass, is reported for the first time in Ontario and eastern Canada from Grey County, southern Ontario. The only previous Canadian record is from Vancouver Island, British Columbia. The species is widespread in the U.S. Pacific Northwest, where it is spreading aggressively throughout much of western Oregon. In the eastern U.S.A., known populations are few and localized, although the species will likely spread.
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Streck, Martin J., Mark L. Ferns, and William McIntosh. "Large, persistent rhyolitic magma reservoirs above Columbia River Basalt storage sites: The Dinner Creek Tuff Eruptive Center, eastern Oregon." Geosphere 11, no. 2 (2015): 226–35. http://dx.doi.org/10.1130/ges01086.1.

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Dissertations / Theses on the topic "Basalt – Oregon – Columbia County"

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Ketrenos, Nancy Tompkins. "The stratigraphy of the Scappoose formation, the Astoria formation, and the Columbia River basalt group in northwestern Columbia County, Oregon." PDXScholar, 1986. https://pdxscholar.library.pdx.edu/open_access_etds/3632.

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The study area is located in northwestern Columbia County, and covers an area of approximately 70 square kilometers. The purpose of the study was to investigate the possible correlation of the Scappoose and Astoria Formations and determine their stratigraphic relationship to the Columbia River Basalt Group through mapping, geochemistry and petrography.
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Orzol, Leonard Lee. "Explosion structures in Grande Ronde basalt of the Columbia Riverbasalt group, near Troy, Oregon." PDXScholar, 1987. https://pdxscholar.library.pdx.edu/open_access_etds/3750.

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Explosion structures occur in flows of Grande Ronde Basalt in the study area near Troy, Oregon. Data from nineteen stratigraphic sites indicate that the maximum number of flows that contain explosion structures at any one site is six. In the informally named Troy flow, explosion structures are widespread.
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Truini, Margot. "The use of Hydrochemistry to Identify Potential Processes Operating in the Saddle Mountains Basalt Aquifer and the use of the Nitrate-nitrogen Isotope to Distinguish between Potential Sources of Nitrate to the Shallow Alluvial Aquifer in the Lower Umatilla Basin, Oregon." PDXScholar, 1996. https://pdxscholar.library.pdx.edu/open_access_etds/5206.

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Nitrate concentration in excess of national drinking-water standards (10 mg/l) are present in the shallow alluvial aquifer and Saddle Mountains Basalt (SMB) aquifer in the Lower Umatilla Basin, Oregon. To determine sources responsible for elevated nitrate concentrations in the SMB aquifer mass-balance and reaction-path models (NETPATH and PHREEQE) were used to understand observed geochemical trends. Nitrate-nitrogen isotopes were used to distinguish potential nitrate sources in the shallow alluvial aquifer. NETPATH-validated simple water/rock reactions in the SMB aquifers in Irrigon (dissolvin
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Wagner, Derrick Lee. "Hydrogeologic Characterization of Dutch Canyon, Scappoose, Oregon." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1020.

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Dutch Canyon is located directly west of the City of Scappoose in Columbia County Oregon. This area is proximate to Highway 30, a major access corridor to downtown Portland, and is experiencing a population increase, which is expected to continue and likely accelerate. As a result, there is growing pressure on water resources. Individual and community efforts to utilize groundwater resources have been hampered by generally poor groundwater yields and water quality concerns outside of the Columbia River corridor and a lack of published hydrogeologic information for the region. The intent of thi
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Burck, Martin S. "The stratigraphy and structure of the Columbia River basalt group in the Salmon River area, Oregon." PDXScholar, 1986. https://pdxscholar.library.pdx.edu/open_access_etds/3583.

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Approximately 16 square km of Columbia River basalt are exposed in the Salmon River area to the south and to the west of Mount Hood, Oregon. A maximum composite basalt section composed of 15 flows and totaling 461 m is exposed in discontinuous areas of outcrop.
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Gless, James Douglas. "Slope stability as related to geology at Rainier, Columbia County, Oregon." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/3985.

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Rainier, Oregon, has experienced problems in the development of residential and commercial sites, utilities, and transportation facilities as a result of slope instability. This study of slope stability at Rainier was conducted at the request of city officials.
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Smith, Cameron McPherson. "Social Stratification within a Protohistoric Plankhouse of the Pacific Northwest Coast: Use-wear and Spatial Distribution Analysis of Chipped Lithic Artifacts." PDXScholar, 1996. https://pdxscholar.library.pdx.edu/open_access_etds/5139.

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The spatial distribution of chipped lithic artifacts excavated at site 35C05, a Chinookan plankhouse of the protohistoric period, was observed to test the hypothesis that a gradient of material culture -- reflecting social status -- should be evident within the plankhouse, ranging from the highest to the lowest social rank. Prior to the spatial analysis, use-wear analysis was used to evaluate the classificatory labels used to describe the assemblage by a previous researcher. The use-wear analysis largely confirmed the functional classification of chipped lithic artifacts used by the previous r
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Fassio, Joseph Michael. "Geochemical Evolution of Ferruginous Bauxite Deposits in Northwestern Oregon and Southwestern Washington." PDXScholar, 1990. https://pdxscholar.library.pdx.edu/open_access_etds/3821.

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Ferruginous bauxite deposits developed from flows of the Columbia River Basalt Group in northwestern Oregon and southwestern Washington. Samples of the iron pisolite and the gibbsite nodular zones from the upper portion of the weathering profile of drill core from Columbia County, Oregon and Cowlitz County, Washington, were analyzed by instrumental neutron activation. The mineralogy was determined using Xray diffraction and Mossbauer spectroscopy. The gibbsite nodular zone is above the clay-rich saprolite or relic basalt zone. The nodules contain relic vesicles and well preserved relic plagioc
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Wolf, John William. "The Spatial Distribution of Ground Stone Tools as a Marker of Status Differentials in a Chinookan Plank House on the Lower Columbia River." PDXScholar, 1994. https://pdxscholar.library.pdx.edu/open_access_etds/2898.

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Social status was an integral part of the social structure of Northwest Coast societies. The presence of ranked social structures and household space based on rank is reported in the ethnographic literature. Archaeologists have long searched for independent and verifiable means to infer social structure from archaeological deposits. Burial goods have been used to identify status differences. Do other items of material culture also reflect such differences? The purpose of this study was to ascertain whether or not the distribution of certain tools recovered from a Chinookan plank house on the l
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Large, Adam M. "Silicic Volcanism at the Northern and Western Extent of the Columbia River Basalt Rhyolite Flare-up: Rhyolites of Buchanan Volcanic Complex and Dooley Mountain Volcanic Complex, Oregon." PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3122.

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Two mid-Miocene (16.5-15 Ma) rhyolite volcanic centers in eastern Oregon, the Buchanan rhyolite complex and Dooley Mountain rhyolite complex, were investigated to characterize eruptive units through field and laboratory analysis. Results of petrographic and geochemical analysis add to field observations to differentiate and discriminate the eruptive units. Additionally, new geochemical data are used to correlate stratigraphically younger and older basalt and ash-flow tuff units with regional eruptive units to constrain the eruptive periods with modern Ar-Ar age dates. Previous work at the Buch
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Books on the topic "Basalt – Oregon – Columbia County"

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Smythe, Richard T. Soil survey of Columbia County, Oregon. The Service, 1986.

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Smythe, Richard T. Soil survey of Columbia County, Oregon. The Service, 1986.

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Wright, Thomas L. Chemical data for flows and feeder dikes of the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho, and their bearing on a petrogenetic model. U.S. G.P.O., 1989.

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Wright, Thomas L. Chemical analyses used to compute the average chemical composition of rocks and glasses for geochemical units defined in the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho. Dept. of the Interior, U.S. Geological Survey, 1988.

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Wright, Thomas L. Chemical analyses used to compute the average chemical composition of rocks and glasses for geochemical units defined in the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho. Dept. of the Interior, U.S. Geological Survey, 1988.

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Wright, Thomas L. Chemical analyses used to compute the average chemical composition of rocks and glasses for geochemical units defined in the Yakima Basalt Subgroup, Columbia River Basalt Group, Washington, Oregon, and Idaho. Dept. of the Interior, U.S. Geological Survey, 1988.

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Thompson, Barbara Bennett. 1880 census of Columbia County, Oregon: Fully indexed by family names. B. Thompson, 1986.

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Weatherly, Bob. Asotin County, Washington, cemeteries, some Garfield and Columbia County [sic], Washington, and Wallowa County, Oregon, cemeteries: Their history and headstone inscriptions. Heritage Quest, c1986., 1986.

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United States Geological Survey. Ground-water levels spring 1985, and ground-water level changes spring 1983 to spring 1985, in three basalt units underlying the Columbia Plateau, Washington and Oregon. The Survey, 1989.

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Kuehn, Stephen Christopher. The Olympic-Wallowa Lineament, Hite Fault System, and Columbia River Basalt Group stratigraphy in northeast Umatilla County, Oregon. 1995.

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Book chapters on the topic "Basalt – Oregon – Columbia County"

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Anderson, James L., Terry L. Tolan, and Ray E. Wells. "Strike-slip faults in the western Columbia River flood basalt province, Oregon and Washington." In The Columbia River Flood Basalt Province. Geological Society of America, 2013. http://dx.doi.org/10.1130/2013.2497(13).

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Ferns, Mark L., and Jason D. McClaughry. "Stratigraphy and volcanic evolution of the middle Miocene to Pliocene La Grande–Owyhee eruptive axis in eastern Oregon." In The Columbia River Flood Basalt Province. Geological Society of America, 2013. http://dx.doi.org/10.1130/2013.2497(16).

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Lite, Kenneth E. "The influence of depositional environment and landscape evolution on groundwater flow in Columbia River Basalt—Examples from Mosier, Oregon." In The Columbia River Flood Basalt Province. Geological Society of America, 2013. http://dx.doi.org/10.1130/2013.2497(17).

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Pfaff, Virginia J., and Marvin H. Beeson. "Miocene basalt near Astoria, Oregon; Geophysical evidence for Columbia Plateau origin." In Geological Society of America Special Papers. Geological Society of America, 1989. http://dx.doi.org/10.1130/spe239-p143.

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Reidel, Stephen P., Terry L. Tolan, Peter R. Hooper, et al. "The Grande Ronde Basalt, Columbia River Basalt Group; Stratigraphic descriptions and correlations in Washington, Oregon, and Idaho." In Geological Society of America Special Papers. Geological Society of America, 1989. http://dx.doi.org/10.1130/spe239-p21.

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Burt, Walter, Terrence Conlon, Terry L. Tolan, Ray E. Wells, and Jason Melady. "Hydrogeology of the Columbia River Basalt Group in the northern Willamette Valley, Oregon." In Volcanoes to Vineyards: Geologic Field Trips through the Dynamic Landscape of the Pacific Northwest. Geological Society of America, 2009. http://dx.doi.org/10.1130/2009.fld015(31).

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Beeson, Marvin H., Terry L. Tolan, and James Lee Anderson. "The Columbia River Basalt Group in western Oregon; Geologic structures and other factors that controlled flow emplacement patterns." In Geological Society of America Special Papers. Geological Society of America, 1989. http://dx.doi.org/10.1130/spe239-p223.

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Wells, R. E., R. W. Simpson, R. D. Bentley, M. H. Beeson, M. T. Mangan, and T. L. Wright. "Correlation of Miocene flows of the Columbia River Basalt Group from the central Columbia River Plateau to the coast of Oregon and Washington." In Geological Society of America Special Papers. Geological Society of America, 1989. http://dx.doi.org/10.1130/spe239-p113.

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Alexander, Earl B., Roger G. Coleman, Todd Keeler-Wolfe, and Susan P. Harrison. "Blue Mountains, Domain 6." In Serpentine Geoecology of Western North America. Oxford University Press, 2007. http://dx.doi.org/10.1093/oso/9780195165081.003.0024.

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The Blue Mountains domain is mostly in northeastern Oregon. It is the name that we and others (Orr and Orr 1996) have adopted for the Central Highlands subprovince of the Columbia Intermountain province (Freeman et al. 1945). Small areas of Blue Mountains ultramafic rocks are exposed in an arcuate trend from central Oregon through northeastern Oregon into western Idaho. They are in the Baker and Wallowa terranes (Vallier and Brooks 1995). These terranes with the ultramafic rocks are covered or surrounded by Tertiary volcanic flows, largely Columbia River basalt. The ultramafic rocks are exposed in the Canyon Mountain and Sparta complexes and in smaller areas from the edge of the Idaho Batholith near Riggins in Idaho south–southwest across northeastern Oregon to the Aldrich Mountains south of Dayville. The Snake River has cut a deep gorge through the Blue Mountains domain. At Hells Canyon it is &gt;2000 m deep. Strawberry Mountain southeast of John Day rises to 2755 m. Ultramafic rocks are exposed from about 975 m at the foot of the Strawberry Range, near Canyon City, to 2243 m on Baldy Mountain in the Strawberry Range and a bit higher on Vinegar Hill, which is about 45 km northeast of the Strawberry Range, although the summit of Vinegar Hill (2478 m above sea level) is not composed of ultramafic rocks. Summers are hot and dry and winters are cold, with snow that persists through winters at the higher elevations. Mean annual temperatures are mostly in the 3°C–9oC range, and mean annual precipitation ranges from 25 to 100 cm. The frost-free period is about 150 days at lower elevations and &lt;60 days at higher elevations. The ultramafic rocks were exposed by late Tertiary uplift and erosion of the overlying volcanic sequence. The older rocks are composed of a volcanic island arc complex that contains marine sediments interlayered with mafic volcanic flows. Deep erosion of this area has exposed the roots of the volcanic arc. The roots contain gabbro and peridotite–serpentine at their lowest levels. Seven-thousand-year-old volcanic ash from Mt.
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Steiner, Arron, and Martin J. Streck. "Voluminous and compositionally diverse, middle Miocene Strawberry Volcanics of NE Oregon: Magmatism cogenetic with flood basalts of the Columbia River Basalt Group." In Field Volcanology: A Tribute to the Distinguished Career of Don Swanson. Geological Society of America, 2019. http://dx.doi.org/10.1130/2018.2538(03).

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Conference papers on the topic "Basalt – Oregon – Columbia County"

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Moore, Nicole E., Conner Toth, Anita L. Grunder, Wendy A. Bohrson, and Ilya Bindeman. "OXYGEN ISOTOPE COMPOSITION OF PLAGIOCLASE FROM THE STEENS BASALT, COLUMBIA RIVER BASALT PROVINCE, SE OREGON." In 112th Annual GSA Cordilleran Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016cd-274401.

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Johnson, Henry M., MaryLynn Musgrove, and Bryant C. Jurgens. "GROUNDWATER AGE IN BASALT AQUIFERS OF THE COLUMBIA PLATEAU, OREGON, WASHINGTON, AND IDAHO." In 115th Annual GSA Cordilleran Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019cd-329866.

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Moore, Nicole E., Richard Carlson, Anita L. Grunder, and Wendy A. Bohrson. "HOMOGENEOUS 187OS/188OS AND HIGH OS CONCENTRATIONS IN THE STEENS BASALT, COLUMBIA RIVER FLOOD BASALT GROUP, SOUTHEAST OREGON." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-337733.

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Appleby, Christina A., and John Bauer. "FLOOD RISK ASSESSMENT WITHIN THE COLUMBIA CORRIDOR DRAINAGE DISTRICTS, MULTNOMAH COUNTY, OREGON." In 115th Annual GSA Cordilleran Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019cd-329277.

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Svadlenak, Ellen E., and Robert B. Perkins. "GEOCHEMICAL RESPONSE TO THERMAL ENERGY STORAGE IN THE COLUMBIA RIVER BASALT AQUIFER SYSTEM BENEATH THE PORTLAND BASIN, OREGON." In 115th Annual GSA Cordilleran Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019cd-329488.

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Tashman, Jessica N., Rodney M. Feldmann, and Carrie E. Schweitzer. "TAPHONOMIC INFERENCES DRAWN FROM EPIBIONTS ON LATE OLIGOCENE CRABS OF THE KEASEY FORMATION, COLUMBIA COUNTY, OREGON." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-282190.

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Bouchier, Aurora C. "AN EXAMINATION OF SELECT WELLS NOT FOLLOWING THE DECLINING GROUNDWATER TREND SEEN IN COLUMBIA RIVER BASALT GROUP (CRBG) AQUIFERS NEAR MOSIER, OREGON." In 115th Annual GSA Cordilleran Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019cd-329265.

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Reports on the topic "Basalt – Oregon – Columbia County"

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Ketrenos, Nancy. The stratigraphy of the Scappoose formation, the Astoria formation, and the Columbia River basalt group in northwestern Columbia County, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.5500.

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Pfaff, Virginia. Geophysical and geochemical analyses of selected Miocene coastal basalt features, Clatsop County, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.3175.

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Al-Eisa, Abdul-Rahman. The structure and stratigraphy of the Columbia River basalt in the Chehalem Mountains, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.3191.

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Orzol, Leonard. Explosion structures in Grande Ronde basalt of the Columbia Riverbasalt group, near Troy, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.5634.

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Timm, Susan. The structure and stratigraphy of the Columbia River Basalt in the Hood River Valley, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.2933.

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Tolan, Terry. The stratigraphic relationships of the Columbia River Basalt Group in the lower Columbia River Gorge of Oregon and Washington. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.3232.

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Burck, Martin. The stratigraphy and structure of the Columbia River basalt group in the Salmon River area, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.5467.

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Gless, James. Slope stability as related to geology at Rainier, Columbia County, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.5867.

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Svadlenak, Ellen. Geochemical Response to Thermal Energy Storage in the Columbia River Basalt Aquifer System Beneath the Portland Basin, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.7235.

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Vogt, Beverly. The stratigraphy and structure of the Columbia River basalt group in the Bull Run watershed, Multnomah and Clackamas Counties, Oregon. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.3258.

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