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Deciphering Quaternary Geomagnetic, Glacial, and Depositional Histories Using Paleomagnetism in Tandem with Other Chronostratigraphic and Sedimentological Approaches

Creator:: Reilly, Brendan T.
Abstract:: Stratigraphy and chronology are essential to sedimentological study of Earth system histories. And, stratigraphy and chronology are often challenging and interesting problems themselves. The Quaternary (2.588 Ma - present) experienced paleoenvironmental and paleo-geomagnetic variability well outside the range of the recent instrumental record, providing the opportunity to place recent observations...
Resource Type:: Dissertation
Full Text:: June 8, 2018. Title: Deciphering Quaternary Geomagnetic, Glacial, and Depositional Histories Using

Deep-sea sediment paleomagnetism : a case study from the North Atlantic

Creator:: Strano, Sarah Elianna
Abstract:: Sedimentary records from the North Atlantic, instrumental in the development of modern paleo-geomagnetic concepts, show a highly variable field even during times of constant polarity. Yet, our understanding of how the magnetization is acquired in the sediments is poorly understood. Primary magnetizations preserved in deep-sea sediments are known to be...
Resource Type:: Dissertation
Full Text:: Atmospheric Sciences presented on April 4, 2014. Title: Deep-sea Sediment Paleomagnetism: A Case Study

Paleomagnetism and secular variation of Easter Island basalts

Creator:: Isaacson, Laurie Brown
Abstract:: The paleomagnetic history of the volcanic rocks of Easter Island was investigated using standard paleomagnetic techniques. The remanent magnetization of 673 specimens from the three volcanic episodes recognized on the island were measured using a spinner magnetometer. Inclinations, declinations and virtual geomagnetic poles were calculated for each flow. The majority...
Resource Type:: Dissertation
Full Text:: anomalously low region of secular variation found in the central Pacific. Paleomagnetism and Secular

Paleo-oceanography of the subtropical southeastern Pacific during late Quaternary : a study of radiolaria, opal and quartz contents of deep-sea sediments

Creator:: Molina-Cruz, Adolfo
Abstract:: Micropaleontological data have been analyzed through mathematical and statistical procedures, in order to: (1) establish the distribution pattern of radiolarian assemblages in the surface sediments, (2) establish the relationship of these assemblages with oceanographic variables, (3) determine the faunal composition down-core with respect to the faunal surface pattern, and (4)...
Resource Type:: Masters Thesis
Full Text:: SUBTROPICAL SOUTH EASTERN PACIFIC DURING LATE QUATERNARY: A STUDY OF RADIOLARIA, OPAL AND QUARTZ CONTENTS OF

Reconstruction of late Pleistocene paleoclimatic characteristics in the Great Basin and adjacent areas

Creator:: Bevis, Kenneth A.
Abstract:: A sequence of glaciation based on relative dating parameters was established in each of nine mountain ranges located along a northwest to southeast transect through the northern Great Basin. Each sequence consists of two or three drift units. Degree of weathering suggests that the younger drift unit in a two-fold...
Resource Type:: Dissertation

Paleomagnetic inclination shallowing in deep-sea sediments

Creator:: Arason, Pórdur
Abstract:: In this thesis anomalous downcore shallowing of paleomagnetic inclinations is interpreted to be caused by sediment compaction. Thus, compaction-induced inclination shallowing may influence tectonic reconstructions that are based on inclinations from deep-sea sediment cores. Progressive downcore shallowing of the remanent inclination was observed in a 120-m section of Plio- Pleistocene...
Resource Type:: Dissertation
Full Text:: have been recovered and studied for paleomagnetism 4.2 Estimates of sediment compaction versus depth

A paleomagnetic study of Recent Cascade lavas

Creator:: McKnight, William Ross
Abstract:: Ninety-five oriented samples were obtained from nine Recent Cascade lava flows in Oregon. Directions and intensities of remanent magnetization were measured on a spinner magnetometer which measures directions of magnetization to within 1.2° s.d. Angle measurements were plotted graphically using an equal area projection. Mean directions and statistics were calculated...
Resource Type:: Masters Thesis
Full Text:: . Rock magnetism and polar wandering. Journal of Geology 63:59-74. Irving, E. 1964. Paleomagnetism. New

The Heart Beat of the Megafloods

Creator:: Valdez Hernandez, Saray
Abstract:: Marine sediment core OC1706B-02J ( 46° 15.4178 N, 125° 42.4543 W, at water depth 2263m), was collected on the lower continental slope near the base of the Willapa Canyon. It is a rapidly accumulating site (~30cm/kyr) located near the thrust front of the Cascadia Subduction Zone. The site is also...
Resource Type:: Undergraduate Thesis
Full Text:: Missoula. Quaternary Research, 27(2), 182–201. https://doi.org/10.1016/0033- 5894(87)90076-7 Balbas, A

Paleomagnetism, rock magnetism, and diagenesis in hemipelagic sediments from the northeast Pacific Ocean and the Gulf of California

Creator:: Karlin, Robert
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy In Oceanography presented on 18 November 1983 Title: Paleomagnetism, Rock

Quaternary tectonics of the Rincon and San Miguelito oil fields area, western Ventura basin, California

Creator:: Grigsby, F. Bryan
Abstract:: The Ventura basin is an elongate sedimentary trough extending from the San Gabriel fault west into the Santa Barbara Channel. West of Ventura it contains over 4 km of severely deformed Pliocene and Pleistocene clastic strata. The north-dipping Red Mountain reverse fault system, which forms the northern boundary of the...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Deciphering Quaternary Geomagnetic, Glacial, and Depositional Histories Using Paleomagnetism in Tandem with Other Chronostratigraphic and Sedimentological Approaches

Deep-sea sediment paleomagnetism : a case study from the North Atlantic

Paleomagnetism and secular variation of Easter Island basalts

Paleo-oceanography of the subtropical southeastern Pacific during late Quaternary : a study of radiolaria, opal and quartz contents of deep-sea sediments

Reconstruction of late Pleistocene paleoclimatic characteristics in the Great Basin and adjacent areas

Paleomagnetic inclination shallowing in deep-sea sediments

A paleomagnetic study of Recent Cascade lavas

The Heart Beat of the Megafloods

Paleomagnetism, rock magnetism, and diagenesis in hemipelagic sediments from the northeast Pacific Ocean and the Gulf of California

Quaternary tectonics of the Rincon and San Miguelito oil fields area, western Ventura basin, California

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