U-Th radioactive disequilibrium analyses for JCp-1, coral reference distributed by the Geological Survey of Japan

Geochemical Journal

Volumn 40, Issue 5, 2006, Pages 537-541

  Watanabe, Yumiko ^a,b   Nakai, Shun'ichi ^a  

^a UNIVERSITY OF TOKYO   (Japan)

^b KYOTO UNIVERSITY   (Japan)

Author keywords

Coral; ICP MS; JCp 1; Reference material; U Th radioactive disequilibrium

Indexed keywords

CORAL; DIAGENESIS; DISEQUILIBRIUM; DISSOLUTION; GEOLOGICAL SURVEY; HYDROCHEMISTRY; INDUCTIVELY COUPLED PLASMA METHOD; ISOTOPIC COMPOSITION; NITRIC ACID; SEAWATER; THALLIUM; URANIUM ISOTOPE;

ASIA; EURASIA; FAR EAST; JAPAN;

ANTHOZOA;

EID: 33751373952     PISSN: 00167002     EISSN: None     Source Type: Journal    
DOI: 10.2343/geochemj.40.537     Document Type: Article

References (14)

1. Bourdon, B., Henderson, G. M., Lundstrom, C. C. and Turner, S. P. (eds.) (2003) Uranium-series Geochemistry (Reviews in Mineralogy & Geochemistry, Vol. 52). Mineralogical Society of America, Washington, D.C.
2. Cheng, H., Edwards, R. L., Hoff, J., Gallup, C. D., Richards, D. A. and Asmerom, Y. (2000) The half lives of uranium-234 and thorium-230. Chem. Geol., 169, 17-33.
3. Delanghe, D., Bard, E. and Hamelin, B. (2002) New TIMS constraints on the uranium-238 and uranium-234 in seawaters from the main ocean basins and the Mediterranean Sea. Marine Chemistry 80, 79-93.
4. Firestone, R. B. and Baglin, C. M. (eds.) (1999) Tables of Isotopes. 8th ed., Wiley, 218 pp.
5. 230Th disequilibrium measurement for volcanic standard rock samples using a multi-collector ICPMS. Geochem. J. 36, 465-473.
6. Gallup, C. D., Edwards, R. L. and Johnson, R. G. (1994) The timing of high sea levels over the past 200,000 years. Science 263, 796-800.
7. 232Th in seawater from the Gulf of Mexico and off Cape Hatteras as measured by SIMS. Earth Planet. Sci. Lett. 133, 117-128.
8. 230Th/U isochrons, ages, and errors. Geochim. Cosmochim. Acta 58, 5031-5042.
9. Okai, T., Suzuki, A., Kawahata, H., Terashima, S. and Imai, N. (2002) Preparation of a new geological survey of Japan geochemical reference material: coral JCp-1. Geostandards Newsletter 26, 95-99.
10. Okai, T., Suzuki, A., Terashima, S., Inoue, M., Nohara, M., Kawahata, H. and Imai, N. (2004) Collaborative analysis of GSJ/AIST geochemical reference materials JCp-1 (coral) and JCt-1 (giant clam). Chikyukagaku (Geochemistry) 38, 281-286 (in Japanese with English abstract).
11. Robinson, L. F., Henderson, G. M., Hall, L. and Matthews, I. (2004) Climatic control of riverine and seawater uranium isotope ratios. Science 305, 851-854.
12. Thompson, W. G. Spiegelman, M. W., Goldstein, S. L. and Speed, R. C. (2003) An open-system model for U-series age determinations of fossil corals. Earth Planet. Sci. Lett. 210, 365-381.
13. Watanabe, Y. and Nakai, S. (2006) Accurate U-Th radioactive disequilibrium analyses of carbonate rock samples using commercially available U and Th reagents and multi-collector ICPMS. Microchim. Acta DOI 10.1007/s00604-006-0579-9.
14. Yokoyama, T., Makishima, A. and Nakamura, E. (1999) Separation of thorium and uranium from silicate rock samples using two commercial extraction chromatographic resins. Anal. Chem. 71, 135-141.