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. (2001): Site 1163. Texas A&M University, Ocean Drilling Program, College Station, TX, United States, 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, 187, georefid:2003-045876

Abstract:
Site 1193 is located in segment B4. The floor magnetic age at this site is about 17 my, about 1 my younger than at sites 1162 and 1164. This site placement was designed to test the distribution of Pacific and Indian-type mantle across the three zones at 17-18 Ma (Segment B4, B5, and Zone A). Hole 1163A is 15.7 m (33% core recovery) of a medium gray moderately plagioclase olivine phyric pillow basalt, which is divided into two lithologic units. Unit 1 is slightly altered, and Unit 2 is a slightly to moderately altered medium gray aphyric basalt. Ba and Zr systematics of the glass indicate that Indian-type mantle was present beneath Segment B4 approximately 17 m.y. ago. The systematics indicate an Indian- to transitional Pacific-type mantle source beneath Segment B4 of the AAD at 17 m.y. ago MORB fields defined by zero-age Southeast Indian Ridge (SEIR) lavas dredged between 123 and 133 degrees East.(LEL)
Coverage:
West: 126.5430 East: 126.5430 North: -44.2530 South: -44.2530
Relations:
Expedition: 187
Site: 187-1163
Supplemental Information:
Available only on CD-ROM and on the Web in PDF format
Data access:
Provider: SEDIS Publication Catalogue
Data set link: http://sedis.iodp.org/pub-catalogue/index.php?id=10.2973/odp.proc.ir.189.114.2001 (c.f. for more detailed metadata)
Data download: application/pdf
This metadata in ISO19139 XML format