georefid:2003-045873georefid:2003-045862SEDIS Publication Catalogue

ana.macario@awi.de

http://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=10.2973/odp.proc.ir.189.111.20012001-01-01publicationgeorefid:2003-045873doi:10.2973/odp.proc.ir.189.111.2001Christie, David M.Oregon State University, College of Oceanic and Atmospheric Sciences, Corvallis, OR, United StatesauthorPedersen, Rolf B.Universitetet i Bergen, NorwayauthorMiller, D. JayOcean Drilling Program, United StatesauthorBalzer, Vaughn G.ODP/Naturalia et Biologia, FranceauthorEinaudi, FlorenceUniversity of London, United KingdomauthorGee, M. A. MaryChristian-Albrechts-Universitaet zu Kiel, Federal Republic of GermanyauthorHauff, FolkmarIsotope Geosciences Laboratory, United KingdomauthorKempton, Pamela D.Academia Sinica, TaiwanauthorLiang, Wen-TzongCentre de Recherches Petrographiques et Geochimiques, FranceauthorLysnes, KristineUniversity of Tokyo, JapanauthorMeyzen, Christine M.Universitetet i Bergen, NorwayauthorPyle, Douglas G.Ocean Drilling Program, United StatesauthorRusso, Christopher J.ODP/Naturalia et Biologia, FranceauthorSato, HiroshiUniversity of London, United KingdomauthorThorseth, Ingunn H.Christian-Albrechts-Universitaet zu Kiel, Federal Republic of GermanyauthorTexas A&M University, Ocean Drilling Program, College Station, TX, United StatespublisherdocumentDigitalIn: 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 2000187Site 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)completedIgneous and metamorphic petrologyAntarctic OceanAustralian-Antarctic discordancebasaltsCenozoiccoresgeochemistrygeophysical methodsgeophysical profilesgeophysical surveysigneous rocksIndian OceanLeg 187marine sedimentsMid-Indian Ridgemineral compositionOcean Drilling Programocean floorsODP Site 1160OligocenePaleogenesedimentsseismic methodsseismic profilesSoutheast Indian RidgesurveysTertiaryupper Oligocenevolcanic rocksurn:org.iodp:exp:187urnlargerWorkCitationcampaignurn:org.iodp:exp:187:site:1160urnlargerWorkCitationstudyurn:org.iodp:exp:187urnlargerWorkCitationcampaignEnglishgeoscientificInformation134.5954134.5954-44.0036-44.0030Available only on CD-ROM and on the Web in PDF formatapplication/pdfunknownSEDIS Publication Catalogue

ana.macario@awi.de

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