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<identifier>oai:HAL:hal-00688990v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Superfast Spreading Rate Crust 4 Drilling gabbro in intact ocean crust formed at a superfast spreading rate, IODP Preliminary Report 335</title>
<creator>Teagle, Damon</creator>
<creator>Ildefonse, Benoit</creator>
<creator>Expedition 335, Scientists</creator>
<contributor>National Oceanography Centre, University of Southampton ; Université du Québec</contributor>
<contributor>Manteau et Interfaces ; Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<publisher>IODP</publisher>
<identifier>hal-00688990</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00688990</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00688990</source>
<source>IODP, pp.1, 2011, 〈10.2204/iodp.pr.335.2011〉</source>
<identifier>DOI : 10.2204/iodp.pr.335.2011</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.2204/iodp.pr.335.2011</relation>
<language>en</language>
<subject lang=en>IODP</subject>
<subject lang=en>Expedition 335</subject>
<subject>[SDU.STU.OC] Sciences of the Universe [physics]/Earth Sciences/Oceanography</subject>
<type>info:eu-repo/semantics/book</type>
<type>Books</type>
<description lang=en>The Superfast Spreading Crust campaign, echoing long-standing ocean lithosphere community endeavors, was designed to help us understand the formation, architecture, and evolution of ocean crust formed at fast spreading rates. Integrated Ocean Drilling Program (IODP) Expedition 335, "Superfast Spreading Rate Crust 4" (13 April-3 June 2011), was the fourth scientific drilling cruise of the Superfast Spreading Crust campaign to Ocean Drilling Program (ODP) Hole 1256D. The expedition aimed to deepen this basement reference site several hundred meters into the gabbroic rocks of intact lower oceanic crust to address the following fundamental scientific questions: Does the lower crust form by subsidence of a crystal mush from a high-level magma chamber (gabbro glacier), by intrusion of sills throughout the lower crust, or by some other mechanism? How does melt percolate through the lower crust, and what are the reactions and chemical evolution of magmas during migration? Is the plutonic crust cooled by conduction or hydrothermal circulation? What are the role and extent of deeply penetrating seawater-derived hydrothermal fluids in cooling the lower crust and the chemical exchanges between the ocean crust and the oceans? What are the relationships among the geological, geochemical, and geophysical structure of the crust and, in particular, the nature of the seismic Layer 2-3 transition? What is the magnetic contribution of the lower crust to marine magnetic anomalies?</description>
<date>2011-09-01</date>
</dc>
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