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

Hilde Schwartz; James Sample; Kevin D. Weberling; Daniel Minisini; J. Casey Moore

doi:10.1007/s00367-003-0142-1

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

Hilde Schwartz
, James Sample
, Kevin D. Weberling
, Daniel Minisini
, J. Casey Moore

Earth and Sustainability

Research output: Contribution to journal › Article › peer-review

80 Scopus citations

Abstract

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 0.5×10⁶ 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.

Original language	English (US)
Pages (from-to)	340-350
Number of pages	11
Journal	Geo-Marine Letters
Volume	23
Issue number	3-4
DOIs	https://doi.org/10.1007/s00367-003-0142-1
State	Published - Dec 2003

ASJC Scopus subject areas

Oceanography
Environmental Science (miscellaneous)
Geotechnical Engineering and Engineering Geology
Earth and Planetary Sciences (miscellaneous)

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10.1007/s00367-003-0142-1

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@article{e5f1552c649649568e4fcea258249f2f,

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

abstract = "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 0.5×106 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.",

author = "Hilde Schwartz and James Sample and Weberling, \{Kevin D.\} and Daniel Minisini and Moore, \{J. Casey\}",

note = "Funding Information: Acknowledgements This work was supported in part by the Petroleum Research Fund (grant \#35329-AC2) and the University of California Energy Institute (grant \#19900-443759). We thank Peter Vrolijk for generously alerting us to the relationship between seep fauna and dikes in the Panoche Hills, and the US Bureau of Land Management (Hollister, CA office) for permission to work in the Panoche Hills Wilderness Study Area and for access to aerial photographs. We are also indebted to Robert Garrison, Ivano Aiello, Gary Greene and Kathleen Campbell for sharing stimulating ideas and data, and to our reviewers and editor—R.G. Stanley, K.A. Campbell and Robert Garrison—for numerous helpful suggestions and careful editing. Steve Bohaty, Kellie Townsend and Bruce Tanner at UC Santa Cruz are gratefully acknowledged for assistance with sample preparation and analysis.",

year = "2003",

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doi = "10.1007/s00367-003-0142-1",

language = "English (US)",

volume = "23",

pages = "340--350",

journal = "Geo-Marine Letters",

issn = "0276-0460",

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T2 - Cold-seep deposits and sandstone intrusions in the Panoche Hills, California, USA

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AU - Sample, James

AU - Weberling, Kevin D.

AU - Minisini, Daniel

AU - Moore, J. Casey

N1 - Funding Information: Acknowledgements This work was supported in part by the Petroleum Research Fund (grant #35329-AC2) and the University of California Energy Institute (grant #19900-443759). We thank Peter Vrolijk for generously alerting us to the relationship between seep fauna and dikes in the Panoche Hills, and the US Bureau of Land Management (Hollister, CA office) for permission to work in the Panoche Hills Wilderness Study Area and for access to aerial photographs. We are also indebted to Robert Garrison, Ivano Aiello, Gary Greene and Kathleen Campbell for sharing stimulating ideas and data, and to our reviewers and editor—R.G. Stanley, K.A. Campbell and Robert Garrison—for numerous helpful suggestions and careful editing. Steve Bohaty, Kellie Townsend and Bruce Tanner at UC Santa Cruz are gratefully acknowledged for assistance with sample preparation and analysis.

PY - 2003/12

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N2 - 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 0.5×106 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.

AB - 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 0.5×106 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.

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ER -

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

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