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Filtering by: Degree Field Geology Remove constraint Degree Field: Geology Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.) Resource Type Masters Thesis Remove constraint Resource Type: Masters Thesis Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

Creator:

Iverson, Justin

Abstract:

The Willamette Silt is a surficial geologic unit composed of successive Missoula Flood Deposits that underlies 3100 km2 (1200 mil) of arable land in the Willamette Valley of Oregon. The Willamette Silt protects the underlying regionally important Willamette Aquifer from agricultural contamination while acting as a semi-confining unit and a...

Resource Type:

Masters Thesis
Geology of the Clarno Formation in the vicinity of Stephenson Mountain, Jefferson, Crook and Wheeler counties, Oregon

Creator:

Stroh, Harold Raymond

Abstract:

The thesis area is located in north-central Oregon approximately 20 km west of the town of Mitchell. The rocks exposed in the area belong to the Clarno Formation. This study supports the informal reclassification of the Clarno to Group status, composed of an Upper and Lower Clarno Formation. An angular...

Resource Type:

Masters Thesis
Geology of the Fly Creek quadrangle and the north half of Round Butte Dam quadrangle, Oregon

Creator:

Hewitt, Samuel Loyd

Abstract:

A thick sequence of intercalated andesite and basalt flows, tuffs, and volcanic sediments crop out in the Fly Creek Quadrangle and the north half of the Round Butte Dam Quadrangle. This sequence was deposited in the ancestral Deschutes River Valley along the east flank of the Cascade Range during the...

Resource Type:

Masters Thesis
The stratigraphy, structure, and sedimentology of the cretaceous nanaimo group, Galiano Island, British Columbia

Creator:

Carter, Jack Melton

Abstract:

Four formations of the Cretaceous Nanaimo Group crop out on Galiano Island and on Parker and Gossip Islands, nearby. These formations are: early Campanian Geoffrey Formation which encloses a tongue of the Northumberland Formation; early Campanian to late Maestrichtian Spray Formation; and Maestrichtian Gabriola Formation. The stratigraphic succession has a...

Resource Type:

Masters Thesis
The stratigraphy, geochemistry, and mineralogy of two ash-flow tuffs in the Deschutes Formation, central Oregon

Creator:

Cannon, Debra May

Abstract:

Two ash-flow tuff units of the late Miocene-early Pliocene Deschute Formation in central Oregon were studied in detail because of the widespread distribution, diverse compositions, and stratigraphic importance. The Lower Bridge tuff is a double-flow simple cooling unit that is poorly welded. The upper flow grades from rhyolite in the...

Resource Type:

Masters Thesis
Petrology of the Bend pumice and Tumalo tuff, a Pleistocene Cascade eruption involving magma mixing

Creator:

Hill, Brittain Eames

Abstract:

The Bend pumice and Tumalo tuff are products of a plinian eruption which occurred sometime between 0.89 and 2.6 m.y. The Bend pumice is a poorly consolidated, air-fall vitric lapilli tuff, which overlies a zone of reworked tephra. Perlitic obsidian in the reworked zone probably represents the remains of a...

Resource Type:

Masters Thesis
The geology and stratigraphy of the Tertiary volcanic and volcaniclastic rocks, with special emphasis on the Deschutes Formation, from Lake Simtustus to Madras in central Oregon

Creator:

Jay, Jeremy Barth

Abstract:

A sequence of volcanic, volcaniclastic, and epiclastic deposits from Oligocene to Recent age are exposed in the region from Lake Simtustus to Madras in central Oregon. The epiclastic sediments of the Oligocene John Day Formation are unconformably overlain by two flows of the middle Miocene Columbia River Basalt Group. The...

Resource Type:

Masters Thesis
Geology of part of the northern half of the Bend quadrangle, Jefferson and Deschutes counties, Oregon

Creator:

Stensland, Donald Eugene

Abstract:

The mapped area is part of the middle Deschutes Basin of central Oregon, which lies in the northwestern corner of the High Lava Plains physiographic province, between the Cascade and Ochoco Mountains. It is underlain by Cenozoic lavas, tuffs and sediments of continental origin. The oldest rocks in the sequence...

Resource Type:

Masters Thesis
The geology and mineralization of the Peck Mountain area Hornet Quadrangle, Idaho

Creator:

Wracher, David Allen

Abstract:

The Peck Mountain area is located in west-central Idaho just 15 miles east of the Oregon-Idaho border. It is tectonically located within the "Columbia Arc" of the Nevadan oroaenic belt. The Seven Devils Volcanics, Permian to Traissic in age, are the oldest rocks in the area. They are composed of...

Resource Type:

Masters Thesis
Stratigraphy, petrology and provenance of the Cretaceous Gable Creek Formation, Wheeler County, Oregon

Creator:

Little, Stephen W.

Abstract:

The Mitchell inlier in north-central Oregon contains the largest exposure of Cretaceous marine sedimentary rocks in this region. Nearly 9,000 ft of Albian-Cenamanian rocks are exposed along the flanks of the Mitchell anticline. The Cretaceous section rests unconformably overlain by Tertiary volcanic rocks. The Cretaceous rocks have previously been divided...

Resource Type:

Masters Thesis
Stratigraphy and sedimentology of the middle eocene Cowlitz Formation and adjacent sedimentary and volcanic units in the Longview-Kelso area, southwest Washington

Creator:

McCutcheon, Mark S.

Abstract:

Geologic mapping of the Longview-Kelso area and the measurement and description of a composite 650-meter thick stratigraphic section of the Cowlitz Formation (Tc) in Coal Creek using bio-, magneto-, litho-, and sequence stratigraphy reveals a complex interplay of Cowlitz micaceous, lithic arkosic shelf to tidal/estuarine to delta plain facies associations,...

Resource Type:

Masters Thesis
Volcanic stratigraphy of the Deschutes Formation, Green Ridge to Fly Creek, north-central Oregon

Creator:

Conrey, Richard M.

Abstract:

About 225 lava flows and ash-flow tuffs of the Deschutes Formation (DF) were mapped at Green Ridge. The units fill east-trending paleovalleys which "sky-out" westward and dip east; the eastward dip of the units decreases as they are traced eastward. The source of the units was west of Green Ridge...

Resource Type:

Masters Thesis
Biostratigraphy, depositional environments, and paleogeography of Lower and Middle Devonian rocks, Death Valley area, California

Creator:

Heironimus, Thurman L.

Abstract:

During Early and Middle Devonian time, the main part of the Death Valley area was characterized by shallow marine shelf position. In the extreme western part, deposition took place in carbonate slope environments. Early and Middle Devonian eastern platform dolomites, represented by uppermost Hidden Valley Dolomite and lower Lost Burro...

Resource Type:

Masters Thesis
The Deschutes Formation-- High Cascade transition in the Whitewater River area, Jefferson County, Oregon

Creator:

Yogodzinski, Gene M.

Abstract:

The Whitewater River area is located directly east of Mt. Jefferson in the Cascades of central Oregon. Approximately 90 mi2 (230 km2) were mapped (scale 1/24,000) and four new K-Ar ages and 151 major element analyses were obtained in a study of the stratigraphic and magmatic transition from the Miocene...

Resource Type:

Masters Thesis
Geology of the southernmost Deschutes basin, Tumalo quadrangle, Deschutes County, Oregon

Creator:

McDannel, Angela K.

Abstract:

The Tumalo quadrangle lies approximately 30 kilometers behind the Cascade volcanic arc and marks the southernmost extent of continuously exposed Deschutes Formation rocks. Deschutes Formation rocks in the Tumalo quadrangle include late Miocene volcaniclastic sedimentary rocks, ignimbrites and lapillistones, and late Miocene to early Pliocene basalts and basaltic andesites. Volcaniclastic...

Resource Type:

Masters Thesis
Geology of the Clarno Basin Mitchell quadrangle, Oregon

Creator:

Taylor, Edward M., 1933-

Abstract:

In the area surrounding Clarno, Oregon, pre-Cretaceous metamorphics, Cretaceous marine sediments, and a varied assemblage of Tertiary volcanic rocks are known. The oldest exposures are of an homogeneously fine-grained, mildly metamorphosed, limy shale to which the term "Muddy Ranch phyllite" is applied. Non-metamorphosed, Cretaceous marine shales and graywackes, approximately 1500...

Resource Type:

Masters Thesis
Preliminary report on the geology of the Molalla quadrangle, Oregon

Creator:

Harper, Herbert Ewing

Abstract:

The Molalla quadrangle is located in northwestern Oregon along the eastern edge of Willamette Valley about 30 miles south of Portland. The area includes part of the Western Cascade foothills as well as a portion of the Willamette Valley lowland. The rocks in the Cascade foothills are marine and terrestrial...

Resource Type:

Masters Thesis
The geology of the Nicolai Mountain-Gnat Creek area, Clatsop County, northwestern Oregon

Creator:

Murphy, Thomas M.

Abstract:

Twelve rock units, from upper Eocene to middle Miocene are exposed in the Nicolai Mountain-Gnat Creek area. They are, from oldest to youngest: Pittsburg Bluff Formation; Oswald West mudstone; Big Creek sandstone, upper Silver Point mudstone, and Pipeline mudstone members of the Astoria Formation; Depoe Bay Basalt; Grande Ronde Basalt;...

Resource Type:

Masters Thesis
The geology of the Elk Mountain-Porter Ridge area, Clatsop County, northwest Oregon

Creator:

Goalen, Jeffrey Scott

Abstract:

Eight Tertiary sedimentary and volcanic units crop out in the thesis area. From oldest to youngest they are the: Sager Creek formation (informal); Pittsburg Bluff Formation; Northrup Creek formation (informal); Smuggler Cove formation (informal); Wickiup Mountain and Cannon Beach members (both informal) of the Astoria Formation; the Grande Ronde Basalt,...

Resource Type:

Masters Thesis
Geology of the Tillamook Head--Necanicum Junction area, Clatsop County, northwest Oregon

Creator:

Neel, Robert Holmes

Abstract:

Five distinct lithologic units compose the Tertiary rocks in the Tillamook Head - Necanicum Junction area of the northern Oregon Coast Range. They are: the late Eocene to early Miocene Oswald West mudstones, the middle Miocene Angora Peak sandstone and Silver Point mudstone members of the Astoria Formation, and the...

Resource Type:

Masters Thesis
Tertiary stratigraphy and sedimentation in the Young's River -Lewis and Clark River area, Clatsop County, Oregon

Creator:

Nelson, Michael Peter

Abstract:

Five early to middle Tertiary bedrock geologic units crop out in the study area. These include the late Eocene to early Miocene Oswald West mudstones; the Tucker Creek sandstone, Big Creek sandstone, Silver Point mudstone, and Pipeline members of the early to middle Miocene Astoria Formation; and the middle Miocene...

Resource Type:

Masters Thesis
Stratigraphy and sedimentation of the Neahkahnie Mountain - Angora Peak area, Tillamook and Clatsop Counties, Oregon

Creator:

Cressy, Frank Beecher

Abstract:

Four distinct lithologic units compose the Tertiary rocks of the Neahkahnie Mountain - Angora Peak area, located along the northwest Oregon coast near the town of Nehalem. The Tertiary units are the late Oligocene to early Miocene Oswald West mudstones, the middle Miocene Angora Peak sandstone member of the Astoria...

Resource Type:

Masters Thesis
Stratigraphy, sedimentation, and petrology of the Tertiary rocks in the Bear Creek-Wickiup Mountain-Big Creek area, Clatsop County, Oregon

Creator:

Coryell, George Fossas

Abstract:

Six Tertiary rock units are exposed in the Bear Creek-Wickiup Mountain-Big Creek area. They are: the late Oligocene to early Miocene Oswald West mudstones; the Big Creek sandstone member, the Pipeline member (a new unit), and the Silver Point mudstone member of the early to middle Miocene Astoria Formation; and...

Resource Type:

Masters Thesis
Geology of the Buster Creek-Nehalem Valley area, Clatsop County, northwest Oregon

Creator:

Olbinski, James Steven

Abstract:

Six Tertiary rock units are exposed in the Buster Creek-Nehalem Valley area. They are, from oldest to youngest: upper Eocene Tillamook Volcanics; upper Eocene Cowlitz Formation; upper Eocene Keasey Formation; upper Eocene Vesper Church formation (informal); upper Eocene to Oligocene Pittsburg Bluff Formation; and middle Miocene Depoe Bay Basalt. The...

Resource Type:

Masters Thesis
Testing spatial correlation of subduction interplate coupling and forearc morpho-tectonics

Creator:

Kaye, Grant David

Abstract:

The two largest earthquakes ever recorded, the 1964 M[subscript w] 9.2 Alaskan and 1960 M[subscript w] 9.5 Chilean, occurred on seismogenic plate interfaces at subduction zones. It has been theorized that the catastrophic failure of a locked zone along the contact between the downgoing slab and the upper plate causes...

Resource Type:

Masters Thesis
Contribution of deep-seated bedrock landslides to denudation of a glaciated basin in southern Alaska

Creator:

Arsenault, Ann Michelle

Abstract:

The role of bedrock landslides in the denudation of fluvial catchments has received considerable attention, whereas the relative contribution of deep-seated bedrock landslides to the erosion of glaciated basins is less well known. A glaciated basin in the Chugach-St. Elias Range of southern Alaska was chosen to investigate the contribution...

Resource Type:

Masters Thesis
Sediment storage in a headwater valley of the Oregon Coast Range : erosion rates and styles and valley-floor capacitance

Creator:

Casebeer, Nathan E.

Abstract:

This study is part of the effort to quantify sediment budgets and understand the geomorphic evolution of steep mountains where debris flows are the dominant agent of upland erosion. Observations indicate that headwater basins in the Oregon Coast Range (OCR) can store a large amount of sediment, mostly from debris...

Resource Type:

Masters Thesis
The case for NE-SW extension in northeast Oregon

Creator:

Essman, Jim E.

Abstract:

A zone of diffuse deformation -600 km-wide extending from northern California to Washington has developed resulting from the oblique subduction of the Juan de Fuca plate beneath North America, and the northwestward migration of the Pacific plate. This zone is marked by a change in structural style from transtension in...

Resource Type:

Masters Thesis
Stratigraphy, structure, and natural gas potential of tertiary sedimentary and volcanic units, Clatskanie 7.5 minute quadrangle, Northwest Oregon

Creator:

Eriksson, Andrew

Abstract:

The geology and natural gas potential of the Clatskanie 7.5-minute quadrangle in Columbia County, Oregon was studied utilizing a combination of geologic mapping, measuring of stratigraphic sections, diatom and molluscan fossil identifications, with subsurface geophysical data and petrographic and geochemical analyses. The stratigraphy of the study area consists of two...

Resource Type:

Masters Thesis
Geology and structural history of the Butte district, Montana

Creator:

Houston, Robert Andrew

Abstract:

Ore deposits of the Butte district formed at ca. 66 to 62 Ma within a host rock of Butte Quartz Monzonite (ca. 76 Ma). Deposition of the Lowland Creek Volcanics Formation (ca. 53 to 50 Ma) on top of the Butte Quartz Monzonite and its ores, followed a period of...

Resource Type:

Masters Thesis
Stratigraphy and structure of part of the Fish Lake Plateau, Sevier County, Utah

Creator:

Alexander, John Byron

Abstract:

Over 3,000 feet of nonmarine Late Cretaceous sedimentary rocks are exposed within the northern Fish Lake Plateau. The Cretaceous strata are overlain by over 2,000 feet of Early Tertiary nonmarine sedimentary rocks and volcanics. Landslide deposits cover over one-half of the area. The Late Cretaceous Blackhawk Formation, the oldest formation...

Resource Type:

Masters Thesis
Geology of part of southern Morrow County, northeast Oregon

Creator:

Shorey, Edwin Forrest

Abstract:

The thesis area is located in the Blue Mountains of northeast Oregon. Pre-Tertiary and Cenozoic rocks, divided on the basis of age and tectonic history, are exposed along the eroded crest of the Blue Mountain anticline. Permian (?) metasedimentary rocks probably correlate with the Elkhorn Ridge Argillite, and consist mainly...

Resource Type:

Masters Thesis
Stratigraphy and sedimentation of the Onion Peak area, Clatsop County, Oregon

Creator:

Smith, Thomas N.

Abstract:

Six Tertiary units are exposed in the Onion Peak area near the town of Cannon Beach., Oregon. The units consist of: late Eocene to early Miocene Oswald West mudstones (informal), middle Miocene Astoria Formation (Angora Peak sandstone and Silver Point mudstone members.-informal), middle Miocene basalts of intrusive and extrusive Depoe...

Resource Type:

Masters Thesis
Petrography of pre-Tertiary rocks of the Blue Mountains, Umatilla County, northeast Oregon

Creator:

Trauba, William Charles

Abstract:

Nine small Mesozoic plutons in TJmatilla County, northeast Oregon, crop out within an area of 58 sq km in the Blue Mountains. The plutons are divided into an earlier series of probable Permian-Triassic age and a later intrusive series of probable Late Jurassic to Middle Cretaceous age. The earlier rocks...

Resource Type:

Masters Thesis
Geology of the Elsie-lower Nehalem River area, south-central Clatsop and northern Tillamook counties, northwestern Oregon

Creator:

Mumford, Daniel Franklin

Abstract:

The middle Eocene Tillamook Volcanics form the oldest rock unit in the Elsie-lower Nehalem River area. K-Ar age determinations and age constraints imposed by foraminiferal and calcareous nannofossil assemblages of overlying sedimentary strata indicate an absolute age of about 42 Ma for the uppermost Tillamook Volcanics. Major oxide values indicate...

Resource Type:

Masters Thesis
Crustal structure of the Sulaiman Range, Pakistan, from gravity data

Creator:

Khurshid, Akbar

Abstract:

Gravity data along an east-west profile from the Punjab plain of Pakistan to the western border town of Chaman have been incorporated into interpretation of the gross crustal structure underlying the Sulaiman Range. Interpretation of the free-air, Bouguer, and isostatic gravity anomalies suggests that 15 to 25 km thick, transitional...

Resource Type:

Masters Thesis
Surface-subsurface facies and distribution of the Eocene Cowlitz and Hamlet formations, northwest Oregon

Creator:

Robertson, Christina Lynn

Abstract:

Since 1979, over $114 million of natural gas has been produced at the Mist Gas Field, currently the only commercial gas field in the Pacific Northwest. In the Mist Gas Field, the sandstone-dominated Clark and Wilson member of the upper Eocene Cowlitz Formation is the reservoir and the overlying upper...

Resource Type:

Masters Thesis
Geology, geomorphology, and dynamics of mass movement in parts of the Middle Santiam River drainage basin, western Cascades, Oregon

Creator:

Hicks, Bryan A.

Abstract:

Landforms sculpted by mass movements comprise much of the landscape in the Middle Santiam study area. Bedrock in the area is mostly basalt and andesite flows and varied volcaniclastic rocks of the Little Butte Volcanic Series of Oligocene and early Miocene age, unconforniably overlain by andesite flows and tuffs of...

Resource Type:

Masters Thesis
Depositional and diagenetic history of the Devonian Guilmette Formation, southern Goshute Range, Elko County, Nevada

Creator:

Elrick, Maya, 1959-

Abstract:

The Middle and Upper Devonian Guilmette Formation was deposited within the inner shelf region of the Cordilleran miogeosyncline. Twelve distinct lithofacies are recognized in the Guilmette Formation and represent deposition from various peritidal environments including quiet-water lagoons, organic buildups, a barrier bar/beach complex, and intertidal through supratidal flats. The relative...

Resource Type:

Masters Thesis
Geology of the Seaside-Young's River Falls area, Clatsop County, Oregon

Creator:

Tolson, Patrick Marion

Abstract:

Eight Tertiary geologic units crop out in the Seaside-Young's River Falls area, including late Oligocene to early Miocene Oswald West mudstones; Angora Peak sandstone and Silver Point members of the middle Miocene Astoria Formation, and middle Miocene Depoe Bay and Cape Foulweather Basalts. Three new lithologically distinct units, the 'J'...

Resource Type:

Masters Thesis
Geology of the Rock Creek-Green Mountain area, southeast Clatsop and northernmost Tillamook counties, northwest Oregon

Creator:

Safley, L. Eugene

Abstract:

The middle to upper Eocene Tillamook Volcanics form the volcanic core or basement rocks in the Rock Creek-Green Mountain area. They consist of a thick sequence of high TiO2 tholeiitic basalt, basaltic andesite, and andesite subaerial flows and breccias. Detailed mapping, petrography, major oxide plots, magnetic polarity, and radiometric age...

Resource Type:

Masters Thesis
Sequence stratigraphy and lithofacies of the middle Eocene upper McIntosh and Cowlitz Formations, geology of the Grays River Volcanics, Castle Rock - Germany Creek area, southwest Washington

Creator:

Kleibacker, Derik W.

Abstract:

A composite 732-rn thick section in Germany Creek of middle Eocene upper McIntosh and lower Cowlitz Formations, as well as the lower Grays River Volcanics, was studied using bio-, magneto- and lithostratigraphy to construct a sequence stratigraphic framework and assess hydrocarbon exploration potential. The upper McIntosh Formation forms a complete...

Resource Type:

Masters Thesis
Geology of the Hamlet-North Fork of the Nehalem River area, southern Clatsop and northernmost Tillamook Counties, northwest Oregon

Creator:

Rarey, Phillip Jay

Abstract:

The middle to late Eocene tholeiitic Tillamook Volcanics compose the oldest rock unit in the Hamlet-North Fork of the Nehalem River area. Geochemical plots and field relationships indicate that these rocks were produced in an extensional tectonic setting in the developing forearc and formed an extensive tholeiltic oceanic island. The...

Resource Type:

Masters Thesis
The oligocene and miocene geology of the Tillamook embayment Tillamook County, northwest Oregon

Creator:

Parker, Michael J. (Michael John), 1958-

Abstract:

Eleven sedimentary and volcanic rock units are mapped and described in the thesis area, and chronicle the dynamic geologic history of the Tillamook embayment from the Oligocene through the middle Mlocene. The oldest unit is the Zemorrian to early Saucesian Smuggler Cove formation, a bathyal tuffaceous mudstone with some thin-...

Resource Type:

Masters Thesis
Crustal shortening and tectonic evolution of the Salt Range in Northwest Himalaya, Pakistan

Creator:

Qayyum, Mazhar

Abstract:

The Salt Range is clearly the active participant in the scenario of the progressive southward migration of the Himalayan thrust front. It extends approximately 180 km ENE along strike and is underlain by salt. This is manifested by its very narrow (<1°) cross-sectional taper and great (150 km) width. Integration...

Resource Type:

Masters Thesis
Changes in mass of Collier Glacier, Oregon, 1910-1994

Creator:

McDonald, Gregory D. (Gregory Douglas), 1962-

Abstract:

A change to a warmer, drier climate beginning as early as 1900 was responsible for triggering a dramatic, rapid retreat of Collier Glacier, Oregon, between 1924 and 1940. Although there was a dramatic decrease in precipitation contemporaneous with this observed "step-function" response of mass loss, it is unclear if climate...

Resource Type:

Masters Thesis
Geology of the Cerro Negro Norte Fe-Oxide (Cu-Au) District, Coastal Cordillera, northern Chile

Creator:

Raab, Alexander K.

Abstract:

The intrusion-related Cerro Negro Norte Fe-oxide (Cu-Au) deposit is hosted in andesites and diorites of the early to middle Cretaceous Coastal Cordilleran arc of northern Chile. Tabular and irregularly shaped magnetite orebodies are localized on splays and fractures of the regional NINE striking Atacama Fault Zone. Production from this district...

Resource Type:

Masters Thesis
Geology and petroleum prospects of Darien, southeastern Panama

Creator:

Shelton, Bert J.

Resource Type:

Masters Thesis
Study of the gold deposits at the War Eagle mine, Idaho County, Idaho

Creator:

Chauvot, Isabelle P.

Abstract:

Renewed interest in the abandoned War Eagle Mine, which is located in the center of the gold districts of central Idaho, provided the opportunity for a detailed study of the deposit. The goal of this study is to determine the genetic history of the deposit with respect to regional mineralizing...

Resource Type:

Masters Thesis
Stratigraphy and paleoenvironments of Thetis, Kuper and adjacent Islands, British Columbia

Creator:

Simmons, Michael Lee

Abstract:

The bedrock of Thetis, Kuper, and seven adjacent islands and islets of British Columbia's Gulf Islands consists of four Late Cretaceous (Campanian) formations of the Nanaimo Group. The four, from oldest to youngest, are the Cedar District, De Courcy, Northumberland, and Geoffrey Formations. The formations vary greatly in thickness but...

Resource Type:

Masters Thesis
Stratigraphy, depositional history, and petrology of the Upper Cretaceous(?) to middle Eocene Montgomery Creek Formation, northern California

Creator:

Higinbotham, Larry R.

Abstract:

The Upper Cretaceous to Eocene Montgomery Creek Formation is exposed between the Klamath and Cascade Mountains in the vicinity of Big Bend and Montgomery Creek, northern California. The formation is divided into a northern and a southern section. The rocks consist of a basal conglomerate succeeded by feldspathic to lithic...

Resource Type:

Masters Thesis
Lithofacies, stratiography, and geology of the middle eocene type cowlitz formation and associated volcanic and sedimentary units, Eastern Willapa Hills, southwest Washington

Creator:

Payne, Charles William

Abstract:

Stratigraphic measurement of the 1,238-rn thick Cowlitz Formation in the southwest Washington type section along Olequa and Stillwater creeks reveals complex facies succession of wave- to tide-dominated deltaic sequences. The underlying, 625-rn thick upper member of the McIntosh Formation (as mapped by Wells, 1981) is composed of two units: a...

Resource Type:

Masters Thesis
Structural evolution of the Russell Ranch oil field and vicinity, southern Coast Ranges, California

Creator:

Nevins, Barbara B.

Abstract:

The Russell Ranch oil field is located in the southern Coast Ranges west of Bakersfield, California. Detailed subsurface mapping shows that a northwest-oriented right-lateral wrench-fault system was active from possibly latest Oligocene to Pliocene time. The effects of Quaternary thrusting were superimposed on, and influenced by, structures associated with the...

Resource Type:

Masters Thesis
Geology of the Ventura and Soledad Basins in the vicinity of Castaic, Los Angeles County, California

Creator:

Stitt, Leonard Timothy

Abstract:

Surface and subsurface mapping are combined to determine the geologic history along the San Gabriel fault near the town of Castaic. Palomas Gneiss, Whitaker Granodiorite, and Pelona Schist are basement terranes encountered in the subsurface. West of the San Gabriel fault, basement is unconformably overlain by marine middle to late...

Resource Type:

Masters Thesis
Bedrock geology of western Taylor Park, Gunnison County, Colorado

Creator:

Bailey, Mark Hopkins

Abstract:

The western Taylor Park area covers about 65 square miles on the western flank of the Sawatch Range. It is underlain chiefly by Precambrian rocks, partially covered on the east by glacial debris and overlapped on the west and south by Paleozoic sedimentary rocks. The Precambrian rocks include a group...

Resource Type:

Masters Thesis
Rock alteration and vein mineralization at the Buffalo Mine, Grant County, Oregon

Creator:

Pilcher, Stephen Hathaway

Resource Type:

Masters Thesis
Geology of a part of the Heavens Gate quadrangle, Seven Devils Mountains, western Idaho

Creator:

Sarewitz, Daniel R.

Abstract:

Metamorphosed volcanogenic rocks of the Permian and Triassic Seven Devils Group are exposed in the northern part of the Heavens Gate 7.5 minute quadrangle, western Idaho. These rocks originated in a volcanic arc at a destructive plate margin. In the north, rocks that probably belong to the Lower Permian Hunsaker...

Resource Type:

Masters Thesis
Subsurface geology of the southeastern Cuyama Valley, southern Coast Ranges, California

Creator:

Spitz, Herbert M.

Abstract:

The southeastern Cuyama Valley is located in the southern Coast Ranges, west of Bakersfield, California. Subsurface geologic mapping using data from 62 prospect wells was integrated with surface mapping to determine the depositional and deformational history of this part of the Neogene Cuyama basin. The northwest-trending Russell fault system was...

Resource Type:

Masters Thesis
Late Cenozoic structure of the central Wassuk Range, Mineral County, Nevada

Creator:

McIntyre, Jana L.

Abstract:

At least 105% nearly east-west extension of late Cenozoic age has been accommodated by down-to-the-east normal and oblique-slip faults in the central Wassuk Range. One northwest striking, right-lateral strike-slip fault probably contributes an additional component of WNW-ESE slip. Movement on the normal and oblique-slip faults in this area tilt the...

Resource Type:

Masters Thesis
Geology of the middle and upper Eocene McIntosh Formation and adjacent volcanic and sedimentary rock units, Willapa Hills, Pacific County, southwest Washington

Creator:

Moothart, Steve Rene'

Abstract:

The early to middle Eocene submarine basalts of the Crescent Formation form the core and basement of the structurally uplifted Willapa Hills region of southwest Washington. The formation consists of a thick sequence of predominantly subalkaline, tholeiitic pillow basalts and breccias formed as oceanic crust and seamounts at a sea...

Resource Type:

Masters Thesis
Structure and shortening of the Kangra and Dehra Dun reentrants, Sub-Himalaya, India

Creator:

Powers, Peter M.

Abstract:

Surface-geology, oil-well, seismic-reflection, and magnetostratigraphic data are integrated to evaluate structural style and shortening rate at the Himalayan front (Sub-Himalaya) of northwest India. The Sub-Himalaya, between the Main Boundary thrust and the Himalayan Frontal fault, is the actively deforming front of the Himalaya. At certain locations, the Himalayan Frontal fault...

Resource Type:

Masters Thesis
Balanced structural cross section of the western Salt Range and Potwar Plateau, Pakistan : deformation near the strike-slip terminus of an overthrust sheet

Creator:

Leathers, Michael R.

Abstract:

The Salt Range and Potwar Plateau of northern Pakistan are part of the thin-skinned, active thrust system related to the ongoing collision of the Asian and Indian continental blocks. Platform rocks and orogenic molasse of the Indo-Pakistani shield are deformed in south-verging thrusts and folds, relative to a northward-converging basement....

Resource Type:

Masters Thesis
Geology of the North Muddy Mountains, Clark County, Nevada and regional structural synthesis : fold-thrust and basin-range structure in southern Nevada, southwest Utah, and northwest Arizona

Creator:

Carpenter, Daniel G.

Abstract:

The North Muddy Mountains are located in southern Nevada, about 65 km northeast of Las Vegas and near the eastern boundary of the Basin and Range province. The north-south-trending range block is bounded on the east and west, respectively, by east- and west-dipping, high-angle normal faults. Sevier age contractional and...

Resource Type:

Masters Thesis
Structure of the southern Mormon Mountains, Clark County, Nevada and regional structural synthesis : fold-thrust and basin-range structure in southern Nevada, southwest Utah, and northwest Arizona

Creator:

Carpenter, James Anthony

Abstract:

Detailed geologic mapping in the Mormon Mountains and new geophysical data provide significant insight into contractional and extensional tectonics in southern Nevada, southwest Utah, and northwest Arizona. The rocks in the region were complexly deformed during two distinct tectonic episodes. Numerous interrelated events occurred within each episode. The first tectonic...

Resource Type:

Masters Thesis
Geology and geochemistry of Juniper Ridge, Horsehead Mountain and Burns Butte : implications for the petrogenesis of silicic magma on the High Lava Plains, southeastern Oregon

Creator:

MacLean, James W.

Abstract:

The Juniper Ridge volcanic complex is located in the High Lava Plains Province of southeastern Oregon, a wide zone of bimodal volcanism and faulting that marks the northern limit of widespread Basin and Range-style faulting in the northern Great Basin Province. Rhyolite dome complexes are progressively younger to the northwest...

Resource Type:

Masters Thesis
Structural interpretation of seismic reflection data from the eastern Salt Range and Potwar Plateau, Pakistan

Creator:

Pennock, Edward S.

Abstract:

Approximately 1600 km of seismic reflection profiles from the eastern Salt Range and Potwar Plateau (SR/PP) of Pakistan are integrated with available magnetostratigraphic, surface geologic and well data, to categorize structural styles, determine the timing of deformation and estimate the amount of telescoping of the sedimentary cover. The eastern SR/PP...

Resource Type:

Masters Thesis
Stratigraphy and depositional environments of the Mississippian Rocks, Garnet Range-Bearmouth area, Granite County, western Montana

Creator:

Schneider, Richard C.

Abstract:

The Garnet Range-Bearmouth area of western Montana was the depositional site for basinal, platform slope, shelf, and peritidal Mississippian carbonate rocks. The following stratigraphic units, listed in ascending order, are recognized: the Paine Limestone, Middle Canyon Formation, Mission Canyon Limestone, and McKenzie Canyon Limestone of the Tendoy Group; the Kibbey...

Resource Type:

Masters Thesis
Structural geology and metamorphic petrology of the Gold Mountain area, Snohomish County, Washington

Creator:

Jenne, David Allen

Resource Type:

Masters Thesis
Geochemistry and geochronology of the Eyjafjöll Volcanic system, Iceland

Creator:

Wiese, P. Katryn

Abstract:

The Eyjafjöll Volcanic System, in southern Iceland, is a member of the Southeastern Volcanic Zone (SEVZ), a segment of the Mid-Atlantic Ridge. The SEVZ is a well-exposed (subaerial) propagating rift, analogous to the volcano-tectonic structures that accommodate the growth of ocean floor spreading ridge segments. Eyjafjöll represents 780 Ka of...

Resource Type:

Masters Thesis
Geology and mineralization of the north part of the Washougal Mining District, Skamania County, Washington

Creator:

Schriener, Alexander

Abstract:

The Washougal Mining District is approximately 50 km (30 miles) northeast of Vancouver, Washington, along the western slopes of the Cascade Range. Although the district has produced the unostentatious amount of $572 in metals since 1903, the presence of porphyritic intrusions, hydrothermal alteration, breccia pipes, and base-metal mineralization typical of...

Resource Type:

Masters Thesis
Geology and mineralization of the Southern Silver Star Stock, Washougal Mining District, Skamania County, Washington

Creator:

Shepard, Richard James

Abstract:

The Washougal Mining District is located on the western flanks of the southern Cascade Range of Washington, approximately 50 km (30 miles) northeast of Vancouver, Washington. The district has produced only $573 since 1903, derived from copper and silver. The presence of hydrothermal mineralization and breccia pipes similar to those...

Resource Type:

Masters Thesis
Geology, geochemistry, and mineralization of the Liberty Bell Gold Mine area, Alaska

Creator:

Yesilyurt, Suleyman

Resource Type:

Masters Thesis
Relations between geology and mass movement features in a part of the East Fork Coquille River watershed, southern Coast Range, Oregon

Creator:

Lane, Jeffrey W.

Abstract:

Various types of mass movement features are found in the drainage basin of the East Fork Coquille River in the southern Oregon Coast Range. The distribution and forms of mass movement features in the area are related to geologic factors and the resultant topography. The Jurassic Otter Point Formation, a...

Resource Type:

Masters Thesis
Geology and structure of the Bear Creek area, Crook County, Oregon

Creator:

Khan, Amjad I.

Abstract:

The Bear Creek area is situated at the boundry between the Basin and Range Province, Deschutes Basin and Blue Mountains Province. It contains rock units representing most of the Cenozoic geologic column. The major rock units exposed are the Clarno Formation, John Day Formation, Columbia River Basalt Group, Deschutes Formation...

Resource Type:

Masters Thesis
Geology of the Green Ridge area, Whitewater River Quadrangle, Oregon

Creator:

Hales, Peter Owen

Abstract:

See pdf

Resource Type:

Masters Thesis
Geology of a part of the Eagle Butte and Gateway quadrangles east of the Deschutes River, Jefferson County, Oregon

Creator:

Hayman, Glenn A.

Resource Type:

Masters Thesis
Geology of the northwest one-quarter of the Prineville Quadrangle, central Oregon

Creator:

Thormahlen, David J.

Abstract:

The northwest one-quarter of the Prineville Quadrangle is underlain by Tertiary and Quaternary volcanic and volcaniclastic rocks of the Columbia River Basalt Group, and the Clarno, John Day, Rattlesnake and Deschutes Formations. The Clarno Formation is dominated by pyroxene-bearing andesites, but also contains olivine-bearing basalts, oxyhornblende-bearing dacite and rhyodacite flows...

Resource Type:

Masters Thesis
Geology and hydrothermal mineralization in the vicinity of Rocky Top, Marion County, Oregon

Creator:

Curless, John M.

Resource Type:

Masters Thesis
Geology of the western Detroit Reservoir area, Quartzville and Detroit quandrangles, Linn and Marion counties, Oregon

Creator:

Pungrassami, Thongchai

Resource Type:

Masters Thesis
Geology and mineralization of the North Santiam Mining District, Marion County, Oregon

Creator:

Olson, James P.

Resource Type:

Masters Thesis
Geology and mineral deposits of the Bohemia Mining District, Lane County, Oregon

Creator:

Schaubs, Michael Paul

Resource Type:

Masters Thesis
Geology of the Blue River Mining District, Linn and Lane Counties, Oregon

Creator:

Power, Sara Glen

Resource Type:

Masters Thesis
The "tops" of porphyry copper deposits - mineralization and plutonism in the Western Cascades, Oregon

Creator:

Power, Sara Glen

Resource Type:

Masters Thesis
Geology of the Bagby Hot Springs area, Clackamas and Marion Counties, Oregon

Creator:

Dyhrman, Richard F.

Abstract:

The thesis area is located southwest of Portland, Oregon, in the Western Cascades. In the area are volcaniclastic rocks and lava flows that range in composition from basaltic andesite to dacite. The dominant volcaniclastic rock type is thin intracanyon ash-flow tuff. The dominant lava flows are a thick sequence of...

Resource Type:

Masters Thesis
Structure and tectonics of the southern Willamette Valley, Oregon

Creator:

Graven, Erik P.

Abstract:

Surface geology, seismic data, petroleum exploratory well data, and water well data have been used to analyze the structural and tectonic history of the southern Willamette Valley. Tertiary strata beneath the southern Willamette Valley appear to have had an early Cascade or Clarno volcanic source to the east by the...

Resource Type:

Masters Thesis
Geology and mineralization of the Ochoco gold prospect, Crook County, Oregon

Creator:

Willis, Dana C.

Resource Type:

Masters Thesis
Base and precious metal deposits in the western Cascades of Oregon and southern Washington : mineralogy, fluid inclusion, and sulfur isotopes

Creator:

Summers, Cathy A.

Resource Type:

Masters Thesis
Geology of the southern Gandghar Range and Kherimar Hills, northern Pakistan

Creator:

Hylland, Michael D.

Abstract:

The Gandghar Range and Kherimar Hills, located in the Hill Ranges of northern Pakistan, contain rocks that are transitional between unmetarnorphosed foreland-basin strata to the south and high-grade metamorphic and plutonic rocks to the north. The southern Gandghar Range is composed of a succession of marine strata of probable Proterozoic...

Resource Type:

Masters Thesis
Relationships between landscape stability, clay mineralogy, and stream turbidity in the South Santiam watershed, Western Cascades, Oregon

Creator:

Pearch, John M.

Resource Type:

Masters Thesis
Stratigraphy of the neogene volcanic rocks along the lower Metolius River, Jefferson County, central Oregon

Creator:

Dill, Thomas E.

Resource Type:

Masters Thesis
Epithermal gold mineralization related to caldera volcanism at the Atlanta district, east-central Nevada

Creator:

LaBerge, Rene D.

Resource Type:

Masters Thesis
Geology and mineralization of the Banfield and Rowley volcanogenic massive sulfide deposits, Douglas Co., Oregon

Creator:

Fifarek, Richard H.

Resource Type:

Masters Thesis
Geology and petrology of a 26-Ma trachybasalt to peralkaline rhyolite suite exposed at Hart Mountain, southern Oregon

Creator:

Mathis, Allyson C.

Resource Type:

Masters Thesis
Evolution of the Corvallis fault and implications for the Oregon coast range

Creator:

Goldfinger, Chris

Abstract:

The Corvallis fault is a 50 km long northeast-trending structure, part of which defines the boundary between the central Willamette Valley and the east-central Coast Range of Oregon. Previously the fault had been mapped as either a high-angle reverse or normal fault, with the east block down. New gravity data...

Resource Type:

Masters Thesis
Stratigraphy and sedimentology of the Late Cretaceous Nanaimo Group, Denman Island, British Columbia

Creator:

Allmaras, Joan Marian

Resource Type:

Masters Thesis
Geology of the Fishhawk Falls--Jewell area, Clatsop County, northwest Oregon

Creator:

Nelson, David Ezra

Abstract:

Plate 1 dimensions: 46 x 25 Plate 2 dimensions: 50 x 31 Plate 3 dimensions: 21 x 24.5 Plate 4 dimensions: 18 x 24.5

Resource Type:

Masters Thesis
Geology of the Sand Mountain area, Western Wheeler County, Oregon

Creator:

Barnes, Thomas John

Resource Type:

Masters Thesis
The geology and skarn mineralization at the Ataspaca prospect, Tacna, Peru

Creator:

Bonelli, Douglas T.

Abstract:

Plate 1 dimensions: 25 x 35.5 Plate 2 dimensions: 25 x 35.5

Resource Type:

Masters Thesis
Geology of the East Evans Creek area, Trail quadrangle, Oregon

Creator:

Bartley, Ronald Clark

Resource Type:

Masters Thesis
Search for a western North American stratotype for the Lower-Middle Devonian boundary in Eureka County, Nevada

Creator:

Brown, James Oliver

Resource Type:

Masters Thesis

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Academic Affiliation

Geology280
Geosciences59
Civil Engineering1

Advisor

Field, Cyrus W.36
Oles, Keith F.28
Johnson, J. G.22
Wilkinson, W. D.20
Yeats, Robert S.20
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1934 to 2013

View distribution

Committee Member

Grunder, Anita9
Lillie, Robert6
Field, Cyrus5
Glasmann, Reed5
Dilles, John4
more Committee Members »

Creator

Power, Sara Glen2
Ahmad, Irshad1
Alexander, John Byron1
Allmaras, Joan Marian1
Appel, Michael1
more Creators »

Date

Date range begin – Date range end

Current results range from 1934 to 2012

View distribution

Decade

2010-20191
2000-200913
1990-199950
1980-1989115
1970-197978
1960-196937
1950-195929
1940-194911
1930-19396

Degree Field

Geology[remove]340

Degree Level

Master's340

Degree Name

Master of Science (M.S.)[remove]340

File Format

application/pdf15
image/jpeg14

Language

English [eng]340

Location

Denman Island, British Columbia, Canada, (Hypsographic)1
Duke Point, British Columbia, Canada, (Hypsographic)1
Hornby Island, British Columbia, Canada, (Hypsographic)1
Kulleet Bay, British Columbia, Canada, (Hydrographic)1
Lincoln, Oregon, United States, (Administrative Boundary)1
more Locations »

Non-Academic Affiliation

Oregon State University. Graduate School340

Peer Reviewed

No293

Resource Type

Masters Thesis[remove]340

Rights Statement

Copyright Not Evaluated[remove]340

Subject

Geology, Stratigraphic23
Geology -- Oregon21
Geology -- Oregon -- Clatsop County15
Geology -- Montana -- Beaverhead County8
Geology, Stratigraphic -- Devonian8
more Subjects »

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