Quintin, L., Faul, K., Lear, C.H., Graham, D., Peng, C., Murray, R.W., Backman, J., Busch, W.H., Coxall, H.K., Gaillot, P.A., Hovan, S.A., Janecek, T.R., Knoop, P., Kruse, S., Lanci, L., Lyle, M., Moore, T.C., Nigrini, C.A., Nishi, H., Nomura, R., Norris, R.D., Pälike, Heiko, Parés, J.M., Raffi, I., Rea, B.R., Steiger, T.H., Rea, D.K., Tripati, A.K., Vanden Berg, M.D., Wade, B.S. and Wilson, P.A. (2002) Geochemical analysis of bulk marine sediment by Inductively Coupled Plasma–Atomic Emission Spectroscopy on board the JOIDES Resolution. Lyle, M., Wilson, P.A. and Janecek, T.R. (eds.) In Proceedings of the Ocean Drilling Program, Initial Reports. Vol. 199. Paleogene Equatorial Transect. Covering Leg 199 of the cruises of the Drilling Vessel "Joides Resolution", Honolulu, Hawaii, to Honolulu, Hawaii, Sites 1215-1222, 23 Oct-16 Dec 2001. Texas A&M University Ocean Drilling Program. 14pp . (doi:10.2973/odp.proc.ir.199.107.2002).
Abstract
Geochemical analyses on board the JOIDES Resolution have been enhanced with the addition of a Jobin-Yvon Ultrace inductively coupled plasma-atomic emission spectrometer (ICP-AES) as an upgrade from the previous X-ray fluorescence facility. During Leg 199, we sought to both challenge and utilize the capabilities of the ICP-AES in order to provide an extensive bulk-sediment geochemical database during the cruise. These near real-time analyses were then used to help characterize the recovered sedimentary sequences, calculate mass accumulation rates of the different sedimentary components, and assist with cruise and postcruise sampling requests. The general procedures, sample preparation techniques, and basic protocol for ICP-AES analyses on board ship are outlined by Murray et al. (2000) in Ocean Drilling Program Tech Note, 29. We expand on those concepts and offer suggestions for ICP-AES methodology, calibration by standard reference materials, data reduction procedures, and challenges that are specific to the analysis of bulk-sediment samples. During Leg 199, we employed an extensive bulk-sediment analytical program of ~600 samples of varying lithologies, thereby providing several opportunities for refinement of techniques. We also discuss some difficulties and challenges that were faced and suggest how to alleviate such occurrences for sedimentary chemical analyses during future legs.
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