georefid:2007-051486georefid:2007-051482SEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=10.2973/odp.proc.sr.193.210.2004<gco:CharacterString>Chemistry of borehole fluids collected at PACMANUS, Papua New Guinea, ODP Leg 193</gco:CharacterString>2007-01-01publicationgeorefid:2007-051486doi:10.2973/odp.proc.sr.193.210.2004Binns, Raymond A.CSIRO, Division of Exploration and Mining, North Ryde, N.S.W, AustraliaauthorDotter, L. E.CSIRO, AustraliaauthorBlacklock, K. A.Ocean Drilling Program, United StatesauthorTexas A&M University, Ocean Drilling Program, College Station, TX, United StatespublisherdocumentDigitalIn: Barriga, Fernando J. A. S., Binns, Raymond A., Miller, D. Jay, Asada, Ryuji, Bach, Wolfgang, Bartetzko, Anne C. M., Benning, Liane G., Bjerkgard, Terje, Christiansen, Lizet B., Elswick, Erika R., Findlay, Robert, Iturrino, Gerardo J., Kimura, Hiroyuki, Kulange, John B., Lackschewitz, Klas S., Lee, Sang-Mook, Masta, Andrew, Paulick, Holger, Pinto, Alvaro M., Roberts, Stephen, Scott, Steven D., Vanko, David A., Warden, Ian, Yeats, Christopher J., Proceedings of the Ocean Drilling Program; scientific results; anatomy of an active felsic-hosted hydrothermal system, eastern Manus Basin; covering Leg 193 of the cruises of the drilling vessel JOIDES Resolution; Apra Harbor, Guam, to Townsville, Australia; Sites 1188-1191; 7 November 2000-3 January 2001193Four samples of borehole fluid collected with the Water Sampling Temperature Probe at the PACMANUS hydrothermal during Leg 193 were all significantly diluted by entrained seawater, and one also contained residual deionized water from the tool. The least contaminated sample (88% seawater) was collected 130 meters below seafloor in Hole 1189B, at a temperature of 55 degrees C. Its trace element and strontium isotope constitution indicate the presence of a hydrothermal component similar to high-temperature fluids vented from seafloor sulfide chimneys at PACMANUS, plus excess CaSO (sub 4) dissolved from wallrock anhydrite. A fluid collected at 6 degrees C close to the seafloor in Hole 1188B has approximately 2% of a less well defined hydrothermal component mixed with CaSO4 dissolved from wallrock anhydrite deeper in the hole. It has anomalously high Mn, Zn, and Mo contents. Unlike the Hole 1189B sample and two more highly diluted samples from Hole 1188F, its Mn/Fe ratio lies well outside the constrained range measured previously at PACMANUS for chimney vent fluids, plume particulates, and diffusely vented fluids collected above the seafloor by funnel. Uncertainties associated with these results demonstrate that improved technology is desirable for sampling high-temperature fluids during future drilling at oceanic hydrothermal sites.completedHydrochemistryBismarck Seaboreholeschemical compositionconcentrationgeochemistryhydrochemistryhydrothermal conditionsICP mass spectraLeg 193Manus Basinmass spectraOcean Drilling ProgramODP Site 1188Pacific OceanPACMANUS hydrothermal fieldsea waterSouth PacificSouthwest Pacificspectratemperaturethermal watersWest Pacificurn:org.iodp:exp:193urnlargerWorkCitationcampaignurn:org.iodp:exp:193:site:1188urnlargerWorkCitationstudyurn:org.iodp:exp:193urnlargerWorkCitationcampaignEnglishgeoscientificInformation151.4000151.4100-3.4400-3.4300Available only on CD-ROM in PDF format and on the Web in PDF or HTMLapplication/pdfunknownSEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContacthttp://www-odp.tamu.edu/publications/193_SR/VOLUME/CHAPTERS/210.PDFdownload