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Data report: spatial and temporal evolution of slow spread oceanic crust - graphics sections of core recovered from IODP Hole U1309D, Atlantis Massif, 30N, MAR (including Pb/U zircon geochronology and magnetic remanence data)

John, Barbara E., Cheadle, M.J., Gee, J.S., Grimes, C.B., Morris, A. and Pressling, N. (2009) Data report: spatial and temporal evolution of slow spread oceanic crust - graphics sections of core recovered from IODP Hole U1309D, Atlantis Massif, 30N, MAR (including Pb/U zircon geochronology and magnetic remanence data) Integrated Ocean Drilling Program, 304/305, pp. 1-4. (doi:10.2204/iodp.proc.304305.205.2009).

Record type: Article

Abstract

This contribution presents a graphical downhole log for core recovered from Integrated Ocean Drilling Program (IODP) Hole U1309D made during postcruise study at the Bremen Core Repository. More than 3500 observations of the rock composition and structural relations are presented, including igneous composition, texture and grain size variations, layering and intrusive contact orientation, and younger/older intrusive relations, together with observations of fault/shear zone thickness and orientation and alteration mineral assemblages. In addition, remanence components for 523 new specimens are shown along with shipboard magnetic susceptibility and 18 Pb/U zircon ages from evolved Fe-Ti oxide gabbro and felsic dikes from Hole U1309D. This compilation is a resource for researchers interested in the composition, construction, and deformation of slow-spreading gabbroic crust, in particular the scale/thickness of intrusive bodies and the order of intrusion.

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More information

Published date: 21 December 2009

Identifiers

Local EPrints ID: 142251
URI: http://eprints.soton.ac.uk/id/eprint/142251
ISSN: 1930-1022
PURE UUID: ac584e3d-183c-4506-8ae8-04f580c8564d

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Date deposited: 31 Mar 2010 11:59
Last modified: 18 Jul 2017 23:12

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Contributors

Author: Barbara E. John
Author: M.J. Cheadle
Author: J.S. Gee
Author: C.B. Grimes
Author: A. Morris
Author: N. Pressling

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