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Geochemistry isotope

What are the relative contributions of these two sources Two approaches have been taken. One is to establish the geology and hydrology of a basin in great detail. This has been carried out for the Amazon (Stallard and Edmond, 1981) with the result that evaporites contribute about twice as much sulfate as sulfide oxidation. The other approach is to apply sulfur isotope geochemistry. As mentioned earlier, there are two relatively abundant stable isotopes of S, and The mean 34/32 ratio is 0.0442. However, different source rocks have different ratios, which arise from slight differences in the reactivities of the isotopes. These deviations are expressed as a difference from a standard, in the case of sulfur the standard being a meteorite found at Canyon Diablo, Arizona. [Pg.357]

Deines, P. 1980 The isotopic composition of reduced organic carbon. In Fritz, P. and Fontes, J. Ch., eds.. Handbook of Environmental Isotope Geochemistry, Vol. 1 The Terrestrial Environment, A. Amsterdam, Elsevier 329-406. [Pg.85]

In Stable Isotope Geochemistry 0.W. Valley, D.R Cole, Eds.), Reviews in Mineralogy and Geochemistry 43, 225-277. Washington DC Mineralogical Sodety of America, 662 pp. [Pg.159]

Meehan, T.D., Lott, C.A., Sharp, Z.D., Smith, R.B., Rosenfield, R.N., Stewart, A.C., Murphy, R.K. (2001). Using hydrogen isotope geochemistry to estimate the natal latitudes of immature Cooper s hawks migrating through the Florida keys. Condor, Vol. 103,11-20. [Pg.160]

Farrell, C.W. and Holland, H.D. (1983) Strontium isotope geochemistry of the Kuroko deposits. Econ. Geol. Mon., 5, 302-319. [Pg.271]

Kawahata, H., Kusakabe, M. and Kikuchi, Y. (1987) Strontium, oxygen, and hydrogen isotope geochemistry of hydrothermally altered and weatherted rocks in DSDP Hole 504B, Costa Rica Rift. Earth Planet. [Pg.277]

Sakai, H., Osaki, S. and Tsukagishi, M. (1970) Sulfur and oxygen isotopic geochemistry of sulfate in the black ore deposits of Japan. Geochem. J., 4, 21-39. [Pg.284]

Watanabe, M. and Sakai, H. (1983) Stable isotope geochemistry of sulfates from the Neogene ore deposits in the Green tuff region, Japan, Econ. Geol. Mon. 5, 282-292. [Pg.292]

Sakai, H. and Matsubaya, O. (1974) Isotopic geochemistry of the thermal waters of Japan and its bearing on Kuroko ore solutions. Econ. Geol, 69, 974-991. [Pg.401]

Holser, W.T. and Kaplan, I.R. (1966) Isotope geochemistry of sedimentary sulfates. Chem. Geol., 1, 93-135. Huerta-Diaz and Morse, J.W. (1992) Pyritization of trace metals in anoxic marine sediments. Geochim. Cosmochim. Acta, 56, 2681-2702. [Pg.427]

Fritz P, Fontz JCh, eds. (1980) Handbook of Environmental Isotope Geochemistry. Vol i The terrestrial Environment A, Elsevier Scientific Publishing Company, Amsterdam, 532 pp. [Pg.231]

Blichert-Toft J, Alberede F (1997) The Lu-Hf isotope geochemistry of chondrites and the evolution of the mantle-crast system. Earth Planet Sci Lett 148 243-258... [Pg.55]

FAMOUS zone (Mid-Atlantic Ridge, 36°50 N) Th and Sr isotopic geochemistry. Earth Planet Sci Lett 55 247-256... [Pg.208]

Allegre CJ, Condottiines M (1982) Basalt genesis and mantle structure studied through Th-isotopic geochemistry. Nature 299 21-24... [Pg.244]

Hemond C, Condomines M, Fourcade S, Allegre CJ, OskarssonN, Javoy M (1988) Thorinm, strontium and oxygen isotopic geochemistry in recent tholeiites from Iceland crastal influence on mantle-derived magmas. Earth Planet Sci Lett 87 273-285... [Pg.246]

Schramm A, Stein M, Goldstein SL (2000) Calibration of the ""C time scale to 50 kyr by " U- °Th dating of sediments from Lake Lisan (the paleo-Dead Sea). Earth Planet Sci Lett 175 27-40 Schwarcz HP (1986) Geochronology and isotope geochemistry of speleothems. In ... [Pg.459]

Environmental Isotope Geochemistry Vol 2 The Terrestrial Environment. Fritz P,... [Pg.459]

Hoefs, J. (1996) Stable Isotope Geochemistry. Springer, Berlin. [Pg.428]

Meyers, W. J. and K. C. Lohmann, 1985, Isotope geochemistry of regional extensive calcite cement zones and marine components in Mississippian limestones, New Mexico. In N. Schneidermann and P. M. Harris (eds.), Carbonate Cements. SEPM Special Publication 36,223-239. [Pg.524]

J. Hoeff. (1980). Stable Isotope Geochemistry. Berlin Springer-Verlag. [Pg.241]

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