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Heat flow and thermotectonic problems of the central Ventura Basin, southern California

Journal of Geophysical Research
By: , and 

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Abstract

The Ventura Basin, southern California, is located near the Big Bend area of the San Andreas fault system, within the Transverse Ranges physiographic province. Negative curvature of the Ventura Avenue temperature profiles may be explained by an increase in thermal conductivity associated with tectonic compaction of the underlying Pliocene clastic sequence. Basinwide, heat flow averages about 48 mW/m2, a value which is low relative to most of southern California. As heat flow does not vary systematically to the maximum measured depth of about 4 km, this anomly is not easily explained in terms of hydrologic effects or recent uplift and erosion. However, a diminution of heat flow is an expectable consequence of the accumulation of cold sediments (up to 12 km) since Eocene time. -from Authors
Publication type Article
Publication Subtype Journal Article
Title Heat flow and thermotectonic problems of the central Ventura Basin, southern California
Series title Journal of Geophysical Research
Volume 94
Issue B1
Year Published 1989
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Journal of Geophysical Research
First page 681
Last page 699
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