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The AAPG/Datapages Combined Publications Database

Pacific Section of AAPG

Abstract


Structural Geology of the Sacramento Basin: 1992 Pacific Section Annual Convention, 1992
Pages 95-108

Gravity and Magnetic Anomalies of the Sutter Buttes Volcanic Center, California

S. G. Muir, D.J. Pierce, W.S. Hart

Abstract

The Sutter Buttes is a volcanic center of Plio-Pleistocene age, located in the northern Sacramento Valley. This volcanic center forms a prominent topographic feature, where late Cretaceous and younger sediments and basalt flows have been forcibly intruded by vertical dikes and plugs of rhyolite and andesite. Gravity and magnetic fields have been mapped regionally and in detail, and identification of the intrusive bodies and basalt flows is possible with computer modeling supplemented by subsurface data. Extensive deformation associated with the intrusion has caused traps where significant accumulations of natural gas have been found, and unexplored gravity and magnetic anomalies of exploration interest are present surrounding the Buttes.


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