High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA PDF Download

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High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA

High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA PDF Author:
Publisher: Geological Society of America
ISBN: 0813724759
Category : Science
Languages : en
Pages : 56

Book Description
"The San Jacinto right-lateral strike-slip fault zone is crucial for understanding plate-boundary dynamics, regional slip partitioning, and seismic hazards within the San Andreas fault system of southern California, yet its age of initiation and long-term average slip rate are controversial. This synthesis of prior and new detailed studies in the western Salton Trough documents initiation of structural segments of the San Jacinto fault zone at or slightly before the 1.07 Ma base of the Jaramillo subchron. In Special Paper 475, five new estimates of displacement are developed using offset successions of crystalline rocks; distinctive marker beds in the late Cenozoic basin fill; analysis of strike-slip-related fault-bend folds; quantification of strain in folds at the tips of dextral faults; and gravity, magnetic, and geomorphic data sets."--Publisher's website.

High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA

High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA PDF Author:
Publisher: Geological Society of America
ISBN: 0813724759
Category : Science
Languages : en
Pages : 56

Book Description
"The San Jacinto right-lateral strike-slip fault zone is crucial for understanding plate-boundary dynamics, regional slip partitioning, and seismic hazards within the San Andreas fault system of southern California, yet its age of initiation and long-term average slip rate are controversial. This synthesis of prior and new detailed studies in the western Salton Trough documents initiation of structural segments of the San Jacinto fault zone at or slightly before the 1.07 Ma base of the Jaramillo subchron. In Special Paper 475, five new estimates of displacement are developed using offset successions of crystalline rocks; distinctive marker beds in the late Cenozoic basin fill; analysis of strike-slip-related fault-bend folds; quantification of strain in folds at the tips of dextral faults; and gravity, magnetic, and geomorphic data sets."--Publisher's website.

High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA

High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA PDF Author: Susanne U. Janecke
Publisher:
ISBN:
Category : Geology, Stratigraphic
Languages : en
Pages : 48

Book Description


High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA

High Geologic Slip Rates Since Early Pleistocene Initiation of the San Jacinto and San Felipe Fault Zones in the San Andreas Fault System, Southern California, USA PDF Author: Susanne U. Janecke
Publisher:
ISBN: 9780813724751
Category : Science
Languages : en
Pages : 60

Book Description
"The San Jacinto right-lateral strike-slip fault zone is crucial for understanding plate-boundary dynamics, regional slip partitioning, and seismic hazards within the San Andreas fault system of southern California, yet its age of initiation and long-term average slip rate are controversial. This synthesis of prior and new detailed studies in the western Salton Trough documents initiation of structural segments of the San Jacinto fault zone at or slightly before the 1.07 Ma base of the Jaramillo subchron. In Special Paper 475, five new estimates of displacement are developed using offset successions of crystalline rocks; distinctive marker beds in the late Cenozoic basin fill; analysis of strike-slip-related fault-bend folds; quantification of strain in folds at the tips of dextral faults; and gravity, magnetic, and geomorphic data sets."--Publisher's website.

Peninsular Ranges Batholith, Baja and Southern California

Peninsular Ranges Batholith, Baja and Southern California PDF Author: Douglas M. Morton
Publisher: Geological Society of America
ISBN: 0813712114
Category : Science
Languages : en
Pages : 774

Book Description
"This book includes petrology, geochronology, and regional aspects of individual plutons, as well as evolution of the Peninsular Ranges batholith. Several chapters deal with geophysical, chemical, and isotopic based interpretations of the genesis and evolution of the batholith. An accompanying DVD contains detailed colored maps and chemical, isotopic, mineralogic, and physical properties data"--Provided by publisher.

Transform Plate Boundaries and Fracture Zones

Transform Plate Boundaries and Fracture Zones PDF Author: Joao C. Duarte
Publisher: Elsevier
ISBN: 0128122463
Category : Science
Languages : en
Pages : 478

Book Description
Transform Plate Boundaries and Fracture Zones bridges the gap between the classic plate tectonic theory and new emerging ideas, offering an assessment of the state-of-the-art, pending questions, and future directions in the study of transform plate boundaries and fracture zones. The book includes a number of case studies and reviews on both oceanic and continental tectonic settings. Transform Plate Boundaries and Fracture Zones is a timely reference for a variety of researchers, including geophysicists, seismologists, structural geologists and tectonicists, as well as specialists in exploration geophysics and natural hazards. This book can also be used as an up-to-date reference at universities in both undergraduate and postgraduate levels. Reviews ideas and concepts about transform plate boundaries and fracture zones Includes a variety of case studies on both oceanic and continental settings Addresses innovative and provocative ideas about the activity of fracture zones and transform faults and their impacts to the human society

The San Andreas Fault System

The San Andreas Fault System PDF Author: Robert E. Powell
Publisher: Geological Society of America
ISBN: 0813711789
Category : Science
Languages : en
Pages : 360

Book Description
The authors of the ten chapters in this volume critically examine the geologic evidence that constrains timing and magnitude of movement on various faults of the San Andreas system, and they develop and discuss paleogeologic reconstructions based on these constraints. The volume offers new insight into the evolution of the San Andreas fault system,

Fault Zone Dynamic Processes

Fault Zone Dynamic Processes PDF Author: Marion Y. Thomas
Publisher: John Wiley & Sons
ISBN: 1119156904
Category : Science
Languages : en
Pages : 306

Book Description
Earthquakes are some of the most dynamic features of the Earth. This multidisciplinary volume presents an overview of earthquake processes and properties including the physics of dynamic faulting, fault fabric and mechanics, physical and chemical properties of fault zones, dynamic rupture processes, and numerical modeling of fault zones during seismic rupture. This volume examines questions such as: • What are the dynamic processes recorded in fault gouge? • What can we learn about rupture dynamics from laboratory experiments? • How do on-fault and off-fault properties affect seismic ruptures? • How do fault zones evolve over time? Fault Zone Dynamic Processes: Evolution of Fault Properties During Seismic Rupture is a valuable resource for scientists, researchers and students from across the geosciences interested in the earthquakes processes.

Testing for Quaternary Fault Slip Rate Variability on the Southern San Jacinto Fault Zone, California

Testing for Quaternary Fault Slip Rate Variability on the Southern San Jacinto Fault Zone, California PDF Author: Kimberly Diem Chi Blisniuk
Publisher:
ISBN: 9781267238320
Category :
Languages : en
Pages :

Book Description
Understanding the mechanics of plate boundaries and associated seismic hazards requires evaluation of how slip is distributed over Quaternary timescales along individual faults, across fault zones, and entire fault systems. Documenting such slip distributions over multiple time scales is challenging due to the difficultly of obtaining reliable ages for offset landforms. For instance, exposure ages from cosmogenic isotopes can be significantly affected by surface processes, and U-series dating of pedogenic carbonate provides only minimum ages because carbonate accumulation occurs after deposition. Fortunately, the controlling factors for the resulting age and age uncertainties of each method are relatively independent from each other, so a combination of cosmogenic isotope and U-series dating may significantly improve the reliability of landform dating and yield more reliable slip rate estimates. To understand how deformation is shared across the Pacific and North American plate boundary, a comprehensive slip rate history is presented at multiple locations and time-intervals from 6 sites across the paired Clark and Coyote Creek faults of the southern San Jacinto fault zone. Offsets are constrained from field mapping and high-resolution LiDAR topography data, and displaced alluvial fans were dated with U-series on pedogenic carbonate clast-rinds and/or in situ cosmogenic 10Be. In general, these results show that, in an arid setting where post-depositional processes are limited and multiple dating techniques can be applied, self-consistent landform ages may be obtained to yield reliable slip rate estimates. The results from this study show that (1) the rate of deformation across the southern San Jacinto fault zone has remained uniform and constant in time and space over at least the past 40 kyr, and probably since its early Quaternary initiation, (2) pronounced slip rate gradients exist along the length of both the Clark and Coyote Creek faults, declining from the northwest to the southeast, and (3) summed slip rates of ~13 to 17 mm/yr across the bedrock portion of southern San Jacinto fault zone suggests that since at least the latest Pleistocene, deformation across the Pacific-North America plate boundary has been partitioned fairly evenly between the southern San Andreas fault zone and San Jacinto fault zone.

Problems and Solutions in Structural Geology and Tectonics

Problems and Solutions in Structural Geology and Tectonics PDF Author:
Publisher: Elsevier
ISBN: 0128140496
Category : Science
Languages : en
Pages : 316

Book Description
Problems and Solutions in Structural Geology and Tectonics, Volume 5, in the series Developments in Structural Geology and Tectonics, presents students, researchers and practitioners with an all-new set of problems and solutions that structural geologists and tectonics researchers commonly face. Topics covered include ductile deformation (such as strain analyses), brittle deformation (such as rock fracturing), brittle-ductile deformation, collisional and shortening tectonics, thrust-related exercises, rift and extensional tectonics, strike slip tectonics, and cross-section balancing exercises. The book provides a how-to guide for students of structural geology and geologists working in the oil, gas and mining industries. Provides practical solutions to industry-related issues, such as well bore stability Allows for self-study and includes background information and explanation of research and industry jargon Includes full color diagrams to explain 3D issues

Displacement Along the San Andreas Fault, California

Displacement Along the San Andreas Fault, California PDF Author: John C. Crowell
Publisher: Geological Society of America
ISBN: 0813720710
Category : Faults (Geology)
Languages : en
Pages : 72

Book Description