Structural and Stratigraphic Evolution of the Central and Southern Outer California Continental Borderland PDF Download
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Author: Gregory L. De Hoogh Publisher: ISBN: 9781267204257 Category : Continental shelf Languages : en Pages : 132
Book Description
Abstract: Newly-released multichannel seismic reflection data are used to map stratigraphic horizons in the Outer California Continental Borderland. This mapping reveals aspects of the geologic history of the region as it transitioned from a subduction margin to a transform margin. A regional unconformity, representing a paleo-sea-level reference datum, shows evidence for large vertical motions associated with the development of the transform plate boundary, including considerable post-lower-Miocene net subsidence. A down-cutting angular unconformity on the eastern side of the Outer Borderland suggests uplift of that area and subsequent erosion likely due to the oblique rifting of the Outer Borderland from the Peninsular Ranges of Baja California. Pinchout of pre-Miocene forearc basin rocks by this angular unconformity and an inferred change in lower crustal material data are found to define the Outer-Inner Borderland boundary. Data show that most of the current high bathymetric relief in the region is the result of post-lower-Pliocene transpression.
Author: Gregory L. De Hoogh Publisher: ISBN: 9781267204257 Category : Continental shelf Languages : en Pages : 132
Book Description
Abstract: Newly-released multichannel seismic reflection data are used to map stratigraphic horizons in the Outer California Continental Borderland. This mapping reveals aspects of the geologic history of the region as it transitioned from a subduction margin to a transform margin. A regional unconformity, representing a paleo-sea-level reference datum, shows evidence for large vertical motions associated with the development of the transform plate boundary, including considerable post-lower-Miocene net subsidence. A down-cutting angular unconformity on the eastern side of the Outer Borderland suggests uplift of that area and subsequent erosion likely due to the oblique rifting of the Outer Borderland from the Peninsular Ranges of Baja California. Pinchout of pre-Miocene forearc basin rocks by this angular unconformity and an inferred change in lower crustal material data are found to define the Outer-Inner Borderland boundary. Data show that most of the current high bathymetric relief in the region is the result of post-lower-Pliocene transpression.
Author: Kathleen M. Marsaglia Publisher: ISBN: 9781565763548 Category : Borderlands Languages : en Pages : 0
Book Description
This SEPM/PS-SEPM volume celebrates the life and scientific achievements of Donn S. Gorsline focusing on the California Continental Borderland, a region where Donn worked extensively. The 18 papers in this volume span offshore Borderland basin settings and exposures in onshore, inner Borderland regions affected by tectonic uplift. They touch on aspects of sedimentation in the modern source-to-sink sedimentary systems, encompassing some world-class Miocene to Pleistocene outcrops and the subsurface distribution of submarine fan and hemipelagic facies, as well as the structural evolution of the Borderland basins and their associated magmatic components. The broad topics covered will be of interest to a spectrum of geologists and geophysicists interested in transtensional to transpressional basin settings, the Cenozoic tectonic evolution of southern California, models of deep-marine to coastal depositional systems, as well as regional hydrocarbon exploration. Additionally, the geologic history and structure of the California Continental Borderland are connected with the distribution of modern seafloor life and marine ecosystems. This volume serves as a benchmark of current research in the region with the aim of spurring future exploration and study.
Author: Gregory L. De Hoogh
Author: Gregory L. De Hoogh
Author: Tor Helge Nilsen
Author: James Keene Crouch
Author: Kathleen M. Marsaglia
Author: Louis Sui-Yui Teng
Author: D. G. Howell
Author: Michael P. Kennedy
Author: David G. Moore
Author: John C. Crowell
Author: Suzanne Reynolds