Discovery of Hydrothermal Vent Fields on Alarcón Rise and in Southern Pescadero Basin, Gulf of California

Paduan, Jennifer B.; Zierenberg, Robert A.; Clague, David A.; Spelz, Ronald M.; Caress, David W.; Troni, Giancarlo; Thomas, Hans; Glessner, Justin; Lilley, Marvin D.; Lorenson, Thomas; Lupton, John; Neumann, Florian; Santa Rosa‐del Rio, Miguel A.; Wheat, C. Geoffrey

doi:10.1029/2018gc007771

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Discovery of Hydrothermal Vent Fields on Alarcón Rise and in Southern Pescadero Basin, Gulf of California

2018
By Paduan, Jennifer B. ; Zierenberg, Robert A. ; Clague, David A. ; ...
Source: Geochemistry, Geophysics, Geosystems, 19(12), 4788-4819

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Journal Title:

Geochemistry, Geophysics, Geosystems
Personal Author:

Paduan, Jennifer B. ; Zierenberg, Robert A. ; Clague, David A. ; Spelz, Ronald M. ; Caress, David W. ; ... More +

Paduan, Jennifer B. ; Zierenberg, Robert A. ; Clague, David A. ; Spelz, Ronald M. ; Caress, David W. ; Troni, Giancarlo ; Thomas, Hans ; Glessner, Justin ; Lilley, Marvin D. ; Lorenson, Thomas ; Lupton, John ; Neumann, Florian ; Santa Rosa‐del Rio, Miguel A. ; Wheat, C. Geoffrey Less -
NOAA Program & Office:

OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory)

OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory) Less -
Description:

Hydrothermal vent ﬁelds located in the gap between known sites in Guaymas Basin and 21°N on the East Paci ﬁc Rise were discovered on the Alarcón Rise and in southern Pescadero Basin. The Alarcón Rise spreading segment was mapped at 1-m resolution by an autonomous underwater vehicle. Individualchimneys were identi ﬁed using the bathymetric data. Vent ﬁelds were interpreted as active from temperature anomalies in water column data and observed and sampled during remotely operated vehicle dives. The Ja Sít, Pericú, and Meyibó active ﬁelds are near the eruptive ﬁssure of an extensive young lava ﬂow. Vent ﬂuids up to 360 °C from Meyibó have compositions similar to northern East Paci ﬁc Rise vents. The Tzab-ek ﬁeld is 850 m west of the volcanic axis, and active chimneys rise up to 33 m above a broad sul ﬁde
Keywords:

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Geochemistry And Petrology Geophysics
Source:

Geochemistry, Geophysics, Geosystems, 19(12), 4788-4819
DOI:

https://doi.org/10.1029/2018gc007771
ISSN:

1525-2027;1525-2027;
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PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Library
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urn:sha256:33fc46db69a2bb25f0b1e05eaf965349953fa5960b3f75a211f8c0b01ad964dd
Download URL:

https://repository.library.noaa.gov/view/noaa/54292/noaa_54292_DS1.pdf
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