Primitive layered gabbros from fast-spreading lower oceanic crust

Kathryn M. Gillis (), Jonathan E. Snow, Adam Klaus, Natsue Abe, Álden B. Adrião, Norikatsu Akizawa, Georges Ceuleneer, Michael J. Cheadle, Kathrin Faak, Trevor J. Falloon, Sarah A. Friedman, Marguerite Godard, Gilles Guerin, Yumiko Harigane, Andrew J. Horst, Takashi Hoshide, Benoit Ildefonse, Marlon M. Jean, Barbara E. John, Juergen Koepke, Sumiaki Machi, Jinichiro Maeda, Naomi E. Marks, Andrew M. McCaig, Romain Meyer, Antony Morris, Toshio Nozaka, Marie Python, Abhishek Saha and Robert P. Wintsch
Additional contact information
Kathryn M. Gillis: School of Earth and Ocean Sciences, University of Victoria, PO Box 1700 Station CSC, Victoria, British Columbia V8W 2Y2, Canada
Jonathan E. Snow: Earth and Atmospheric Sciences, University of Houston, 312 Science and Research Building 1, Houston, Texas 77204-5007, USA
Adam Klaus: United States Implementing Organization, Integrated Ocean Drilling Program, Texas A&M University, 1000 Discovery Drive, College Station, Texas 77845, USA
Natsue Abe: Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology, 2-15 Natsushima-cho, Yokosuka 237-0061, Japan
Álden B. Adrião: Institute of Geoscience, Rio Grande do Sul Federal University, Avenida Bento Gonçalves, 9500 Bloco I Prédio, 43113 Sala 207, Porto Alegre/RS 91501-970, Brazil
Norikatsu Akizawa: Kanazawa University, Kakuma-machi, Kanazawa Ishikawa 920-1192, Japan
Georges Ceuleneer: Observatoire Midi-Pyrénées (UMS 831), CNRS, Université Paul Sabatier, 14 Avenue Edouard Belin, Toulouse Cedex 31400, France
Michael J. Cheadle: University of Wyoming, 1000 University Avenue
Kathrin Faak: School of Earth and Ocean Sciences, University of Victoria, PO Box 1700 Station CSC, Victoria, British Columbia V8W 2Y2, Canada
Trevor J. Falloon: Institute for Marine and Antarctic Studies and School of Earth Sciences, University of Tasmania
Sarah A. Friedman: Southern Illinois University at Carbondale
Marguerite Godard: Géosciences Montpellier, Université Montpellier 2, CNRS UMR5243, CC 60, 34095 Montpellier Cedex 5, France
Gilles Guerin: Borehole Research Group, Lamont-Doherty Earth Observatory of Columbia University, PO Box 1000, 61 Route 9W, Palisades, New York 10964, USA
Yumiko Harigane: Institute of Geology and Geoinformation, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, AIST Tsukuba Central 7, 1-1-1 Higashi, Tsukuba Ibaraki 305-8567, Japan
Andrew J. Horst: Oberlin College
Takashi Hoshide: Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
Benoit Ildefonse: Géosciences Montpellier, Université Montpellier 2, CNRS UMR5243, CC 60, 34095 Montpellier Cedex 5, France
Marlon M. Jean: Geosciences, Northern Illinois University, Davis Hall 312, Normal Road, DeKalb, Illinois 60115, USA
Barbara E. John: University of Wyoming, 1000 University Avenue
Juergen Koepke: Institut für Mineralogie, University of Hannover, Callinstrasse 3, Hannover 30167, Germany
Sumiaki Machi: Kanazawa University, Kakuma-machi, Kanazawa Ishikawa 920-1192, Japan
Jinichiro Maeda: Hokkaido University, North 10, West 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
Naomi E. Marks: Lawrence Livermore National Laboratory, PO Box 808, L-231, Livermore, California 94551, USA
Andrew M. McCaig: School of Earth and Environment, University of Leeds, Leeds LS2 9JT, UK
Romain Meyer: University of Bergen, Allegaten 41, Bergen 5007, Norway
Antony Morris: School of Geography, Earth and Environmental Sciences, Plymouth University, Drake Circus, Plymouth PL4 8AA, UK
Toshio Nozaka: Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
Marie Python: Hokkaido University, North 10, West 8, Kita-ku, Sapporo, Hokkaido 060-0810, Japan
Abhishek Saha: University of Calcutta, 35 Ballygunge Circular Road, Kolkata 700 019, India
Robert P. Wintsch: Indiana University, 1001 East 10th Street, Bloomington, Indiana 47405, USA

Nature, 2014, vol. 505, issue 7482, 204-207

Abstract: Drilling by the Integrated Ocean Drilling Program has recovered primitive, modally layered, orthopyroxene-bearing cumulate rocks from the lower plutonic crust formed at a fast-spreading ridge, leading to a better-constrained estimate of the bulk composition of fast-spreading oceanic crust.

Date: 2014
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DOI: 10.1038/nature12778

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