Christie, David M. et al. (2001): Site 1160

Leg/Site/Hole:
ODP 187
ODP 187 1160
Identifier:
2003-045873
georefid
10.2973/odp.proc.ir.189.111.2001
doi
Creator:
Christie, David M.
Oregon State University, College of Oceanic and Atmospheric Sciences, Corvallis, OR, United States
author
Pedersen, Rolf B.
Universitetet i Bergen, Norway
author
Miller, D. Jay
Ocean Drilling Program, United States
author
Balzer, Vaughn G.
ODP/Naturalia et Biologia, France
author
Einaudi, Florence
University of London, United Kingdom
author
Gee, M. A. Mary
Christian-Albrechts-Universitaet zu Kiel, Federal Republic of Germany
author
Hauff, Folkmar
Isotope Geosciences Laboratory, United Kingdom
author
Kempton, Pamela D.
Academia Sinica, Taiwan
author
Liang, Wen-Tzong
Centre de Recherches Petrographiques et Geochimiques, France
author
Lysnes, Kristine
University of Tokyo, Japan
author
Meyzen, Christine M.
Universitetet i Bergen, Norway
author
Pyle, Douglas G.
Ocean Drilling Program, United States
author
Russo, Christopher J.
ODP/Naturalia et Biologia, France
author
Sato, Hiroshi
University of London, United Kingdom
author
Thorseth, Ingunn H.
Christian-Albrechts-Universitaet zu Kiel, Federal Republic of Germany
author
Identification:
Site 1160
2001
In: Christie, David M., Pedersen, Rolf B., Miller, D. Jay, Balzer, Vaughn G., Einaudi, Florence, Gee, M. A. Mary, Hauff, Folkmar, Kempton, Pamela D., Liang, Wen-Tzong, Lysnes, Kristine, Meyzen, Christine M., Pyle, Douglas G., Russo, Christopher J., Sato, Hiroshi, Thorseth, Ingunn H., Bridges, Brenda (editor), Proceedings of the Ocean Drilling Program, initial reports, mantle reservoirs and migration associated with Australian Antarctic rifting; covering Leg 187 of the cruises of the drilling vessel JOIDES Resolution; Fremantle, Australia, to Fremantle, Australia; sites 1152-1164, 16 November 1999-10 January 2000
Texas A&M University, Ocean Drilling Program, College Station, TX, United States
187
Site 1160 is located in eastern Zone A. Two holes were drilled: Hole 1160A produced 0.4 m of buff to medium gray aphyric pillow basalt recovered (8.4% recovery); it was abandoned because of poor drilling conditions. Hole 1160B produced 13.0 m of basalt (28.8% recovery) which are divided into 7 lithologic units. Units 1, 2, and 7 are aphyric basalt, Units 3-6 are plagioclase phyric basalts, Units 2, 4, and 6 are massive flows, and Units 1, 3, 5, 7 are pillow flows. The pillow basalts are moderately to highly altered with alteration halos around the outer surfaces of most pieces. The massive basalts appear to be only slightly altered in their interiors; 2 facies of alteration are recognized in this hole. The drill site was expected to provide a approximately 20 Ma baseline Pacific site. Basalts from this site are typical MORB derived from Pacific-type mantle, even though Site 1160 is near a seamount. The glasses from the site have Ba and Zr contents that show the basalts to be Pacific type MORB.(LEL)
English
Coverage:Geographic coordinates:
North:-44.0030
West:134.5954East: 134.5954
South:-44.0036
Igneous and metamorphic petrology; Antarctic Ocean; Australian-Antarctic discordance; basalts; Cenozoic; cores; geochemistry; geophysical methods; geophysical profiles; geophysical surveys; igneous rocks; Indian Ocean; Leg 187; marine sediments; Mid-Indian Ridge; mineral composition; Ocean Drilling Program; ocean floors; ODP Site 1160; Oligocene; Paleogene; sediments; seismic methods; seismic profiles; Southeast Indian Ridge; surveys; Tertiary; upper Oligocene; volcanic rocks;
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