An ancient linked fluid migration system: cold-seep deposits and sandstone intrusions in the Panoche Hills, California, USA

被引：74

作者：

Schwartz, H ^{[1
]}

Sample, J

Weberling, KD

Minisini, D

Moore, JC

机构：

[1] Univ Calif Santa Cruz, Dept Earth Sci, Santa Cruz, CA 95064 USA

[2] No Arizona Univ, Dept Geol, Flagstaff, AZ 86011 USA

[3] ExxonMobil Explorat Co, Houston, TX 77060 USA

[4] Univ Bologna, Dipartimento Sci Terra & Geol Ambientale, I-40126 Bologna, Italy

来源：

GEO-MARINE LETTERS | 2003年 / 23卷 / 3-4期

关键词：

D O I：

10.1007/s00367-003-0142-1

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

In central California, Maastrichtian-Danian shales of the Moreno Formation preserve a fluid migration system that developed along the western margin of the former Great Valley forearc basin. The system consists of a network of interconnected sandstone intrusions linked to overlying fossiliferous carbonates whose geochemistry, fauna, and petrology are characteristic of active cold seeps. The system is approximately 800 m thick and represents episodic migration and seafloor expulsion of fluids over at least 0.5x10(6) years. This locality has the most extensive exposure yet discovered of a complete seep system, from underlying fluid pathways to seep deposits and associated communities.

引用

页码：340 / 350

页数：11

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