Osmium isotopic composition of corals: Evidences for multiple sources

Geochimica et Cosmochimica Acta

Volumn 63, Issue 9, 1999, Pages 1335-1343

  Levasseur, Sylvain ^a   Birck, Jean Louis ^a   Allègre, Claude J ^a  

^a Lab de Geochimie et Cosmochimie   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CORAL; ISOTOPIC COMPOSITION; OSMIUM; SCAVENGING; SEAWATER;

EID: 0032703020     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(99)00017-4     Document Type: Article

References (28)

1. Allègre C.J., Luck J-M. Osmium isotopes as petrogenetic and geological tracers. Earth Planet. Sci. Lett. 48:1980;148-154.
2. Anders E., Grevesse N. Abundances of the elements Meteoritic and solar . Geochim. Cosmochim. Acta. 53:1989;197-214.
3. Birck J.L., Roy Barman M., Capmas F. Re-Os Isotopic measurements at the femtomole level in natural samples. Geostandards Newsletter. 20:(1):1997;19-27.
4. Bonte P., Jehanno C., Maurette M., Brownlee D.E. Platinum metals and microstructure in magnetic deep sea cosmic spherules. J. Geophys. Res. 92:1987;E641-E648.
5. Brownlee D. E., Bates B. A., and Wheelock M. M. (1984) Extraterrestrial platinum group nuggets in deep-sea sediments. Science 309(21 June 1984), 693-695.
6. Burton K. W., Birck J. L., Allg̀re C. J., Blanckenburg F. v., O'Nions R. K., and Hein J. R. (1996) Variations in the Osmium Isotope Ratio of Seawater. V. M. Goldschmidt Conference. Journal of Conference Abstracts.1(1), 92.
7. Culkin F., Cox R.A. Sodium, potassium, magnesium, calcium and strontium in seawater. Deep-Sea Res. 13:1966;789-804.
8. Esser B.K., Turekian K.K. The osmium isotopic composition of the continental crust. Geochim. Cosmochim. Acta. 57:1993;3093-3104.
9. Gaillardet J., Allègre C.J. Boron isotopic compositions of corals Seawater or diagenesis record? Earth Planet. Sci. Lett. 136:1995;665-676.
10. Koide M., Goldberg E.D., Walker R. The analysis of seawater osmium. Deep Sea Res. II. 43:(1):1996;53-55.
11. 186Os ratio in seawater. Science. 282:(9 October):1998;272-274.
12. Love S.G., Brownlee D.E. Direct measurement of the terrestial mass accretion rate of cosmic dust. Science. 262:(22 October):1993;550-553.
13. Maurette M., Jéhanno C., Robin E., Hammer C. Characteristics and mass distribution of the extraterrestrial dust from the Greenland ice cap. Nature. 328:(20 August 1987):1987;699-702.
14. Nakai S.I., Halliday A.N., Rea D.K. Provenance of dust in the Pacific Ocean. Earth Planet. Sci. Lett. 119:1993;143-157.
15. Nier A.O. The isotopic composition of osmium. Physical Review. 52:1937;885.
16. Oxburgh R. Variations in the osmium isotope composition of sea water over the past 200,000 years. Earth Planet. Sci. Lett. 159:1998;183-191.
17. Oxburgh R., Broecker W.S. Pleistocene variations in weathering flux as inferred from the marine osmium isotope record. EOS. 75:(44):1994;363.
18. 186Os variation through the Cenozoic. Earth Planet. Sci. Lett. 113:1992;569-576.
19. Peucker-Ehrenbrink B. Accretion of extraterrestrial matter during the last 80 million years and its effect on the marine osmium isotope record. GCA. 60:(17):1996;3187-3196.
20. 186Os record of the past 80 million years. Earth Planet. Sci. Lett. 130:1994;155-167.
21. 186Os ratio of seawater over the past 28 million years as inferred from metalliferous carbonates. Earth Planet. Sci. Lett. 118:1993;335-348.
22. Ravizza G., Turekian K.K. The Osmium isotopic composition of organic-rich marine sediments. Earth Planet. Sci. Lett. 110:1992;1-6.
23. 188Os ratios inferred from metalliferous carbonates. Earth Planet. Sci. Lett. 160:1998;163-178.
24. Riley J.P., Tongudai M. The major cation/chlorinity in seawater. Chem. Geol. 2:1967;263-269.
25. Sharma M., Papanastassiou D.A., Wasserburg G.J. The concentration and isotopic composition of osmium in the oceans. Geochim. Cosmochim. Acta. 61:1997;3287-3299.
26. Sorokin Y.I. Coral Reef Ecology. 1993;Springer-Verlag.
27. Walker R.J., Morgan J.W. Rhenium-Osmium Isotopes Systematics of Carbonaceous Chondrites. Science. 243:1989;519-522.
28. Wasson J.T. Meteorites. 1974;Springer-Verlag.