Index Catalog // ScholarsArchive@OSU

A geophysical analysis of the Orozco fracture zone and the tectonic evolution of the northern Cocos plate

Creator:: Lynn, Walter S.
Abstract:: In April of 1974, Oregon State University conducted a geophysical survey of the Orozco fracture zone, a Left-lateral transform fault which offsets the East Pacific Rise off the coast of Mexico near 15°N, 105°W. Magnetic, gravity, bathymetric, and seismic reflection data were collected during a four day period. This survey...
Resource Type:: Masters Thesis
Full Text:: fracture zone, a Left-lateral transform fault which offsets the East Pacific Rise off the coast of Mexico

An interpretation of the gravity and magnetic anomalies of the Rivera fracture zone, eastern Pacific Ocean

Creator:: Gumma, William Harold
Resource Type:: Masters Thesis
Full Text:: , EASTERN PACIFIC OCEAN Abstract approved: Richard W. Couch Gravity data., collected during a ten day

Two styles of oceanic near-ridge volcanism for the Southeast Indian Ocean and the NE Pacific Ocean

Creator:: Sprtel, Frank M.
Resource Type:: Masters Thesis
Full Text:: -RidgVo1canism for the South Indian Ocean and the NE Pacific Oean Abstract approved: David M. Christie Near

Three-dimensional gravity analysis of the Pacific-Antarctic east Pacific rise at 36.5°S, 49.8°S and 54.2°S

Creator:: Enriquez, Kelly D.
Abstract:: Three-dimensional gravity analysis is the process of removing the predictable components from the free-air gravity anomalies and has proven to be useful for interpreting the subsurface structures and active processes at mid-ocean ridges. The three-dimensional effects of the seafloor and Moho topography, assuming a constant crustal thickness and constant crust...
Resource Type:: Masters Thesis
Full Text:: the Pacific-Antarctic East Pacific Rise at 36.5°S. 49.8°S and 54.2°S Abstract approved: Three

Magnetic profiles across the Aleutian Trench and ridge

Creator:: Skorpen, Allan Jerome
Abstract:: During the North Pacific cruise of the R/V Yaquina in 1966, total magnetic field intensity was measured in the Andreanof group of the Aleutian Islands. Three north-south track lines were made across the Aleutian Trench and ridge between longitudes 175° W and 180°. Three small scale magnetic profiles across the...
Resource Type:: Masters Thesis
Full Text:: , thus forming the northern boundary of the Pacific Ocean and separating that body of water from the

Seismic refraction survey of crustal and upper mantle structures in the West Philippine Basin

Creator:: Goodman, Dean
Abstract:: Crustal and upper mantle structures in the West Philippine Basin, along 17-18°N, have been determined using explosions as sources and ocean bottom seismometers to measure refracted compressional waves. Seismic refraction profiles out to nearly 500 km were completed. Shallow structure was measured using small shots, 1-240 lbs., and the deeper...
Resource Type:: Masters Thesis
Full Text:: Project LIST OF FIGURES Figure Page 1 Map of marginal seas in the Western Pacific 2 Ocean. 2 General

Consolidation characteristics of calcareous deep sea-floor sediments from the Panama Basin

Creator:: Kao, Yeoung Ting
Abstract:: Calcareous sediments containing a large percentage of foraminiferal microskeletal tests were taken from sites in the Panama Basin and subjected to an investigation to determine the consolidation characteristics of this type of soil. The consolidation-stress curves and the time rate of consolidation curves in particular were investigated in this study....
Resource Type:: Masters Thesis
Full Text:: overconsolidation stress and depth (below ocean bottom) 27 The refined interpretation of the correlation between

A microprobe study of metalliferous sediment components

Creator:: Eklund, William Alan
Abstract:: Examination of polished sections of manganese micronodules from metalliferous sediments from the Bauer Deep reveals sequences of ferromanganese deposition which are consistent for micronodules from a single sediment sample and imply a common depositional history for members of such assemblages. The relatively simple 'stratigraphy' of manganese micronodules, as compared to...
Resource Type:: Masters Thesis
Full Text:: Science Foundation through the International Decade of Ocean Exploration, Nazca Plate Project (contract

Trace element studies of metalliferous sediments in cores from the East Pacific Rise and Bauer Deep, 10⁰ S

Creator:: Kendrick, John William
Abstract:: Major (Fe, Mn, Al) and minor (Cr, Mo, Pb, Zn, Cd) element analyses of metalliferous sediments in cores from the East Pacific Rise and Bauer Deep indicate that the Bauer Deep sediments are similar in chemistry and origin to metalliferous sediments of the East Pacific Rises. Fe, Pb, and Zn...
Resource Type:: Masters Thesis
Full Text:: : TRACE ELEMENT STUDIES OF METALLIFEROUS SEDI- MENTS IN CORES FROM THE EAST PACIFIC RISE AND BAUER DEEP

Peruvian deep-sea sediments : evidence for continental accretion

Creator:: Rosato, Victor Joseph
Abstract:: In order to determine whether the sediments found on the landward wall of the Peru Trench are accreted Nazca Plate sediments, the clay mineralogy and organic carbon contents of 52 surface samples were submitted to factor analysis. Q-mode factor analysis resolved the data from the Nazca Plate and Peru continental...
Resource Type:: Masters Thesis
Full Text:: clay minerals from the Pacific Ocean described by Oinunaa and others (1959) and Powers (1957). If Mg

ScholarsArchive@OSU

A geophysical analysis of the Orozco fracture zone and the tectonic evolution of the northern Cocos plate

An interpretation of the gravity and magnetic anomalies of the Rivera fracture zone, eastern Pacific Ocean

Two styles of oceanic near-ridge volcanism for the Southeast Indian Ocean and the NE Pacific Ocean

Three-dimensional gravity analysis of the Pacific-Antarctic east Pacific rise at 36.5°S, 49.8°S and 54.2°S

Magnetic profiles across the Aleutian Trench and ridge

Seismic refraction survey of crustal and upper mantle structures in the West Philippine Basin

Consolidation characteristics of calcareous deep sea-floor sediments from the Panama Basin

A microprobe study of metalliferous sediment components

Trace element studies of metalliferous sediments in cores from the East Pacific Rise and Bauer Deep, 10⁰ S

Peruvian deep-sea sediments : evidence for continental accretion

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