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A long section of serpentinized depleted mantle peridotite.
Lissenberg, C Johan; McCaig, Andrew M; Lang, Susan Q; Blum, Peter; Abe, Natsue; Brazelton, William J; Coltat, Rémi; Deans, Jeremy R; Dickerson, Kristin L; Godard, Marguerite; John, Barbara E; Klein, Frieder; Kuehn, Rebecca; Lin, Kuan-Yu; Liu, Haiyang; Lopes, Ethan L; Nozaka, Toshio; Parsons, Andrew J; Pathak, Vamdev; Reagan, Mark K; Robare, Jordyn A; Savov, Ivan P; Schwarzenbach, Esther M; Sissmann, Olivier J; Southam, Gordon; Wang, Fengping; Wheat, C Geoffrey; Anderson, Lesley; Treadwell, Sarah.
Affiliation
  • Lissenberg CJ; School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK.
  • McCaig AM; School of Earth and Environment, University of Leeds, Leeds, UK.
  • Lang SQ; Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA, USA.
  • Blum P; International Ocean Discovery Program, Texas A&M University, College Station, TX, USA.
  • Abe N; Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan.
  • Brazelton WJ; School of Biological Sciences, University of Utah, Salt Lake City, UT, USA.
  • Coltat R; Instituto Andaluz de Ciencias de la Tierra, CSIC-UGR, Granada, Spain.
  • Deans JR; School of Biological, Environmental, and Earth Sciences, University of Southern Mississippi, Hattiesburg, MS, USA.
  • Dickerson KL; Department of Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, CA, USA.
  • Godard M; Geosciences Montpellier, CNRS, University of Montpellier, Montpellier, France.
  • John BE; Department of Geology and Geophysics, University of Wyoming, Laramie, WY, USA.
  • Klein F; Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA, USA.
  • Kuehn R; Institute of Geosciences and Geography, Martin-Luther-University Halle-Wittenberg, Halle, Germany.
  • Lin KY; Department of Earth Sciences, University of Delaware, Newark, DE, USA.
  • Liu H; Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.
  • Lopes EL; Department of Geophysics, Stanford University, Stanford, CA, USA.
  • Nozaka T; Department of Earth Sciences, Okayama University, Okayama, Japan.
  • Parsons AJ; School of Geography, Earth and Environmental Sciences, University of Plymouth, Plymouth, UK.
  • Pathak V; Department of Geology, Central University of Punjab, Bathinda, India.
  • Reagan MK; Department of Earth and Environmental Sciences, University of Iowa, Iowa City, IA, USA.
  • Robare JA; School of Molecular Sciences, Arizona State University, Phoenix, AZ, USA.
  • Savov IP; School of Earth and Environment, University of Leeds, Leeds, UK.
  • Schwarzenbach EM; Department of Geosciences, University of Fribourg, Fribourg, Switzerland.
  • Sissmann OJ; IFP Energies Nouvelles, Paris, France.
  • Southam G; School of the Environment, The University of Queensland, St. Lucia, QLD, Australia.
  • Wang F; Key Laboratory of Polar Ecosystem and Climate Change, Ministry of Education; and School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China.
  • Wheat CG; Global Undersea Research Unit, University of Alaska Fairbanks, Moss Landing, CA, USA.
  • Anderson L; Arctic Research Support and Logistics, Washington, DC, USA.
  • Treadwell S; Department of Communication, University of North Dakota, Grand Forks, ND, USA.
Science ; 385(6709): 623-629, 2024 Aug 09.
Article in En | MEDLINE | ID: mdl-39116218
ABSTRACT
The upper mantle is critical for our understanding of terrestrial magmatism, crust formation, and element cycling between Earth's solid interior, hydrosphere, atmosphere, and biosphere. Mantle composition and evolution have been primarily inferred by surface sampling and indirect methods. We recovered a long (1268-meter) section of serpentinized abyssal mantle peridotite interleaved with thin gabbroic intrusions. We find depleted compositions with notable variations in mantle mineralogy controlled by melt flow. Dunite zones have predominantly intermediate dips, in contrast to the originally steep mantle fabrics, indicative of oblique melt transport. Extensive hydrothermal fluid-rock interaction is recorded across the full depth of the core and is overprinted by oxidation in the upper 200 meters. Alteration patterns are consistent with vent fluid composition in the nearby Lost City hydrothermal field.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Sci. (N.Y., N.Y.) / Science Year: 2024 Document type: Article Country of publication:
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Sci. (N.Y., N.Y.) / Science Year: 2024 Document type: Article Country of publication: