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Crustal structure of the Tehuantepec Ridge and adjacent continental margins of southwestern Mexico and western Guatemala

Creator:: Woodcock, Stephen Frederick
Abstract:: A free-air gravity anomaly map of the area between 10°-17°N and 90°-101°W shows distinctive positive and negative anomalies which parallel the Tehuatepec Ridge. The positive anomaly approximately overlies the topographic expression of the ridge. On the wide continental shelf southeast of the Gulf of Tehuantepec a positive gravity anomaly with...
Resource Type:: Masters Thesis
Full Text:: degree of Master of Science in Geophysics presented on July 17, 1975 Title: CRUSTAL STRUCTURE OF THE

Crustal structure of the Baja Peninsula between latitudes 22 ̊N and 25 ̊N

Creator:: Huehn, Bruce
Abstract:: Geophysical data collected in 1975 and 1976 reveal major crustal and tectonic elements of the continental margin of southern Baja California. Gravity, magnetic, seismic reflection and bathymetric data show seaward extension of the islands enclosing Magdalena and Almejas Bays. A seismic reflection profile, oriented approximately normal to the trend of...
Resource Type:: Masters Thesis
Full Text:: LATITUDES 22°N and 25°N Abstract approved: Richard W. Couch Geophysical data collected in 1975 and 1976

The crustal structure and tectonic framework of the Gulf of Panama

Creator:: Briceno-Guarupe, Luis Alberto
Abstract:: Gravity and magnetic data from cruises by the R/V Yaquina in 1973 and the R/V Wecoma in 1975 provide new data that make possible the construction of a map of the free-air gravity anomalies at sea and simple Bouguer anomalies on lano in Panama, western Colombia, and the eastern Panama...
Resource Type:: Masters Thesis
Full Text:: the R/V Yaquina in 1973 and the R/V Wecoma in 1975 provide new data that make possible the con

Gravity and structure of the Pacific continental margin of Central Mexico

Creator:: Sanchez Zamora, Osvaldo
Abstract:: Data collected by personnel of the Geophysics Group at Oregon State University and the Instituto Oceanografico of the Direccion General dé Oceanografia are used to construct a free-air anomaly map for the central part of the Pacific continental margin of Mexico, which shows the gravity expression of major structural features...
Resource Type:: Masters Thesis
Full Text:: de Oceanografia (DGO) of the Secretaria de Marina of Mexico. Initiated in 1975, the primary purpose

Subsurface geologic structure of the Vale, Oregon, known geothermal resource area from the interpretation of seismic reflection and potential field data

Creator:: Lillie, Robert James
Resource Type:: Masters Thesis
Full Text:: Larson made 812 of these measurements during the summers of 1974 and 1975 with Wordon Gravity Meter 575

Geologic structure of the western continental margin of south central Baja California based on seismic and potential field data

Creator:: Coperude, Shane Patrick
Abstract:: Marine geophysical data from the continental margin of Baja California and the Gulf of California, and geological and geophysical data from the Baja California Peninsula and mainland Mexico, outline the major geologic and tectonic features of the Baja California Peninsula and the surrounding areas from 24.5° N. Lat. to 27.5°...
Resource Type:: Masters Thesis
Full Text:: School Date thesis is presented ce.Jj.Qr L'-\ 31 Typed by Mary Jo Stratton for Shane Patrick Coperude

A marine geophysical study of Vizcaino Bay and the continental margins of western Mexico between 27 ̊and 30 ̊north latitude

Creator:: Calderon, Gustavo
Resource Type:: Dissertation
Full Text:: ), within the frame of plate tectonics. In 1975 the General Directorate of Oceanography of Mexico and the

Crustal structure of the Continental Borderland and the adjacent portion of Baja California between latitudes 30⁰N and 33⁰N

Creator:: Plawman, Thomas Leon
Abstract:: Gravity, magnetic and seismic data indicate that the oceanic crust is 9.7 km thick west of the Continental Borderland. The top of the mantle is about 12 km deep under the Borderland, and deepens to 27 km beneath the Peninsular Ranges of Baja California. The mantle is about 20 km...
Resource Type:: Masters Thesis
Full Text:: QUITINf. AFTER MOORE, 1969 AND GASTIL, 1975 30° 114° 121° 120° 119° 118° 117° 116° Figure 1. Tectonic

Crustal structure and thermal gradients of the northern Gulf of California determined using spectral analysis of magnetic anomalies

Creator:: Zamora, Osvaldo Sanchez
Abstract:: Geophysical surveys in the Gulf of California provided the data to construct contour maps of bathymetry, free-air anomalies and total field magnetic anomalies for the area north of 27° N. Major faults such as the Ballenas- Salsipuedes, Tiburón, Guaymas, and the South Cerro Prieto are clearly observable on these maps....
Resource Type:: Dissertation
Full Text:: of California. In 1975, researchers from the Geophysics Group at Oregon State University, and from

Crustal structure and faulting of the Gulf of California from geophysical modeling and deconvolution of magnetic profiles

Creator:: Doguin, Pierre
Abstract:: Using gravity, magnetic, bathymetric and seismic refraction data, I have constructed a geophysical cross-section of the central part of the northern Gulf of California. The section exhibits a crustal thickness of 18 km and features an anomalous block of high density lower basement (3.15 g/cm³) which probably resulted from rifting...
Resource Type:: Masters Thesis
Full Text:: Guerrtro Negro S.-, -- dvLOvTro,l o N0ç .. Basin Foolt or Lineoment Zone of Fossil Divergence Zone of

ScholarsArchive@OSU

Crustal structure of the Tehuantepec Ridge and adjacent continental margins of southwestern Mexico and western Guatemala

Crustal structure of the Baja Peninsula between latitudes 22 ̊N and 25 ̊N

The crustal structure and tectonic framework of the Gulf of Panama

Gravity and structure of the Pacific continental margin of Central Mexico

Subsurface geologic structure of the Vale, Oregon, known geothermal resource area from the interpretation of seismic reflection and potential field data

Geologic structure of the western continental margin of south central Baja California based on seismic and potential field data

A marine geophysical study of Vizcaino Bay and the continental margins of western Mexico between 27 ̊and 30 ̊north latitude

Crustal structure of the Continental Borderland and the adjacent portion of Baja California between latitudes 30⁰N and 33⁰N

Crustal structure and thermal gradients of the northern Gulf of California determined using spectral analysis of magnetic anomalies

Crustal structure and faulting of the Gulf of California from geophysical modeling and deconvolution of magnetic profiles

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