11. Data Report: Grain-Size and Bulk and Clay Mineralogy of Sediments from the Summit and Flanks of Southern Hydrate Ridge, Sites 1244–1250, ODP Leg 2041

Eulālia Grācia,2 Francisca Martínez-Ruiz,3 Elena Piņero,2 Juan Cruz Larrasoaņa,4, 5 Alexis Vizcaino,2 and Gemma Ercilla6

ABSTRACT

We present grain size, granulometric statistical parameters, and calcium carbonate content of sediment samples from the summit and east and west flanks of southern Hydrate Ridge (Sites 1244–1250). These data are compared with magnetic susceptibility measurements from the same intervals. Bulk and clay mineralogy from Sites 1244 (east flank), 1247 (west flank), and 1250 (summit) are also presented. The integration of these data allows us to characterize the main sedimentary facies and composition of the Quaternary age sediments from southern Hydrate Ridge.

1Grācia, E., Martínez-Ruiz, F., Piņero, E., Larrasoaņa, J.C., Vizcaino, A., and Ercilla, G., 2006. Data report: Grain-size and bulk and clay mineralogy of sediments from the summit and flanks of southern Hydrate Ridge, Sites 1244–1250, ODP Leg 204. In Tréhu, A.M., Bohrmann, G., Torres, M.E., and Colwell, F.S. (Eds.), Proc. ODP, Sci. Results, 204: College Station, TX (Ocean Drilling Program), 119. doi:10.2973/odp.proc.sr.204.110.2006

2Unitat de Tecnologia Marina, Centre Mediterrani d'Investigacions Marines i Ambientals (CSIC), 08003 Barcelona, Spain. Correspondence author: egracia@utm.csic.es

3Instituto Andaluz de Ciencias de la Tierra (CSIC)-Universidad de Granada, 18002 Granada, Spain.

4Laboratori de Paleomagnetisme, CSIC-Universitat de Barcelona, Institut de Cičncies de la Terra "Jaume Almera," 08028 Barcelona, Spain.

5Departamento de Ciencias de la Tierra, Universidad de Zaragoza, 50009 Zaragoza, Spain.

6Institut de Cičncies del Mar, Centre Mediterrani d'Investigacions Marines i Ambientals (CSIC), 08003 Barcelona, Spain.

Initial receipt: 28 January 2005
Acceptance: 11 August 2005
Web publication: 28 April 2006
Ms 204SR-110

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