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doi:10.2204/iodp.proc.338.204.2016

Data report: atlas of lithic grain types at Site C0002; reference for petrographic provenance analysis in the Kumano Basin and upper Nankai accretionary prism¹

Sebastian G. Ramirez² and Kitty L. Milliken³

Abstract

Sand samples collected during Integrated Ocean Drilling Program Expeditions 338 and 315 at Site C0002 show a variety of lithic fragment types. The lithic component in these sediments includes grains of sedimentary, metamorphic, volcanic, and plutonic origin. An atlas of lithic grain types from Site C0002 serves as a useful reference for petrographic provenance analysis in the Kumano Basin and the underlying prism sediments. The relative abundance of monocrystalline mineral grains and grain ratios are subject to textural and diagenetic controls external to provenance. Lithic grains, in particular, provide very specific and reliable information on variations in sediment source.

¹ Ramirez, S.G., and Milliken, K.L., 2016. Data report: atlas of lithic grain types at Site C0002; reference for petrographic provenance analysis in the Kumano Basin and upper Nankai accretionary prism. In Strasser, M., Dugan, B., Kanagawa, K., Moore, G.F., Toczko, S., Maeda, L., and the Expedition 338 Scientists, Proceedings of the Integrated Ocean Drilling Program, 338: Yokohama (Integrated Ocean Drilling Program). doi:10.2204/iodp.proc.338.204.2016

² Institute of Geophysics, Jackson School of Geosciences, University of Texas at Austin, Austin TX 78712, USA. Correspondence author:
sgramirez@utexas.edu

³ Bureau of Economic Geology, Jackson School of Geosciences, University of Texas at Austin, Austin TX 78713, USA.

Initial receipt: 14 September 2015
Acceptance: 30 November 2015
Publication: 16 February 2016
MS 338-204

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