Автор |
Weldon, Ray |
Автор |
Humphreys, Eugene |
Дата выпуска |
1986 |
dc.description |
We propose a kinematic model for southern California based on late Quaternary slip rates and orientations of major faults in the region. Internally consistent motions are determined assuming that these faults bound rigid blocks. Relative to North America, most of California west of the San Andreas fault is moving parallel to the San Andreas fault through the Transverse Ranges and not parallel to the motion of the Pacific plate. This is accomplished by counterclockwise rotation of California south of the San Andreas fault and by the westward movement of central California north of the Gar lock fault. The velocities of the blocks are calculated along several paths in southern California that begin in the Mojave Desert and end off the California coast. A path that crosses the western Transverse Ranges accumulates the accepted relative North America‐Pacific plate velocity, whereas paths to the north and south result in a significant missing component of motion. This implies the existence of a zone of active deformation in southern California that is interpreted to include the western Transverse Ranges and northwest trending, predominately strike‐slip faults close to the coast both north and south of the Transverse Ranges. Strain on this system accounts for about a third of the total North America‐Pacific plate motion. |
Формат |
application.pdf |
Копирайт |
Copyright 1986 by the American Geophysical Union. |
Тема |
GEODESY AND GRAVITY |
Тема |
Tectonic deformation |
Тема |
TECTONOPHYSICS |
Тема |
Continental tectonics: general |
Тема |
Plate boundary: general |
Тема |
Plate motions: general |
Название |
A Kinematic model of southern California |
Тип |
article |
DOI |
10.1029/TC005i001p00033 |
Electronic ISSN |
1944-9194 |
Print ISSN |
0278-7407 |
Журнал |
Tectonics |
Том |
5 |
Первая страница |
33 |
Последняя страница |
48 |
Выпуск |
1 |
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