EVOLUTION OF THE NORTHERN SANTA-CRUZ MOUNTAINS BY ADVECTION OF CRUST PAST A SAN-ANDREAS FAULT BEND

被引：70

作者：

ANDERSON, RS

机构：

[1] Earth Sciences Board, University of California, Santa Cruz

来源：

SCIENCE | 1990年 / 249卷 / 4967期

关键词：

D O I：

10.1126/science.249.4967.397

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The late Quaternary marine terraces near Santa Cruz, California, reflect uplift associated with the nearby restraining bend on the San Andreas fault. Excellent correspondence of the coseismic vertical displacement field caused by the 17 October 1989 magnitude 7.1 Loma Prieta earthquake and the present elevations of these terraces allows calculation of maximum long-term uplift rates 1 to 2 kilometers west of the San Andreas fault of 0.8 millimeters per year. Over several million years, this uplift, in concert with the right lateral translation of the resulting topography, and with continual attack by geomorphic processes, can account for the general topography of the northern Santa Cruz Mountains.

引用

页码：397 / 401

页数：5

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