Notes on the Manganese crust Pb-isotope dataset

This Pb-isotope data was collated as part of a continuing project to model the ocean Pb cycle using an ocean general circulation model. The goal of this work is to allow the potential of Pb isotopes to inform us about past weathering fluxes and past ocean circulation to be fully realized.

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If you have any comments or suggestions, please contact me at gideonh@earth.ox.ac.uk

The dataset: latitudes and longitudes are decimal; north and east are positive. The data was collated from the references below.

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References containing Manganese crust Pb-isotope data

  • Abouchami W. and Goldstein S. L. (1995) A lead isotopic study of circum-antartic manganese nodules. Geochimica et Cosmochimica Acta 59(9), 1809-1820.
  • Chow T. J. and Patterson C. C. (1959) Lead isotopes in manganese nodules. Geochim. Cosmochim. Acta 17, 21-31.
  • Chow T. J. and Patterson C. C. (1962) The occurrence and significance of Pb isotopes in pelagic sediments. Geochim. Cosmochim. Acta 26, 263-308.
  • O'Nions R. K., Carter S. R., Cohen R. S., Evensen N. M., and Hamilton P. J. (1978) Pb, Nd and Sr isotopes in oceanic ferromanganese deposits and ocean floor basalts. Nature 273, 435-438.
  • Reynolds P. H. and Dasch E. J. (1971) Lead isotopes in marine manganese nodules and the ore-lead growth curve. J. Geophys. Res. 76(21), 5124-5129.
  • von Blanckenburg F., O'Nions R. K., and Hein J. R. (1996) Distribution and sources of pre-anthropogenic lead isotopes in deep ocean water from Fe-Mn crusts. Geochim. Cosmochim. Acta 60(24), 4957-4964.