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composition and carbon isotope content of associated volcanic and fumarolic
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NIER,A. 0.: A redetermination of the relative abundances of the isotopes of carbon,
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NIER,A. 0., GULBRANSEN,E. A.: Variations in the relative abundance of the carbon
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NIER,A.O., NEY,E.P., INGHRAM,M.G.: A null method for the comparison of two
ion currents in a mass spectrometer. Rev. Sci. Instr. 18,294 (1947).
NORTHROP,D.A., CLAYTON,R.N.: Oxygen isotope fractionations in systems containing dolomite. J. Geol. 74, 174--196 (1966).
OANA, S., DEEVEY, E. S.: Carbon-13 in lake waters and its possible bearing on paleolimnology. Am. J. Sci. 258A, 253-272 (1960).
OHMOTO, H.: Systematics of sulfur and carbon isotopes in hydrothermal ore deposits. Econ. Geol. 67,551-578 (1972).
OHMOTO, H., RYE, R. 0.: The Bluebell Mine, British Columbia, I. Mineralogy, paragenesis, fluid inclusions and the isotopes of hydrogen, oxygen and carbon.
Econ. Geol. 65,417-437 (1970).
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125
MULLER, G., NIELSEN, H., HOEFS,J.: Schwefel-Isotopen-Untersuchungen an Evaporiten der Kreuznacher Gruppe. Geol. PaUiont. Monatsh. 12,745 (1966).
MUNNICH, K. 0., VOGEL,J. c.: Untersuchungen an pluvialen Wassern der Ost-Sahara. Geol. Rundschau 52, 611 (1962).
MURATA, K. J., FRIEDMAN,!., MADSEN, B. M.: Carbon-13 rich diagenetic carbonates
in Miocene formations of California and Oregon. Science 156, 1484--1486
(1967).
MURPHEY,B.F., NIER,A.O.: Variations in the relative abundance of the carbon
isotopes. Phys. Rev. 59, 771 (1941).
NAKAI, N.: Carbon isotope fractionation of natural gas in Japan. J. Earth Sci.
Nagoya Univ. 8, 174 (1960).
NAKAI, N., JENSEN, M. L.: Biogeochemistry of sulfur isotopes. J. Earth Sci. Nagoya
Univ. 8,181 (1960).
NAKAI, N., JENSEN, M. L.: The kinetic isotope effect in the bacterial reduction and
oxidation of sulfur. Geochim. Cosmochim. Acta 28, 1893-1912 (1964).
NAKAI, N., JENSEN, M. L.: Sources of atmospheric sulfur compounds. Geochemical
J. 1, 199-210 (1967).
NAUGHTON,J.J., TERADA,K.: Effect of eruption of Hawaiian volcanoes on the
composition and carbon isotope content of associated volcanic and fumarolic
gases. Science 120, 580 (1954).
NIELSEN,H.: S-Isotope im marinen Kreislauf und das ,5 34 S der frtiheren Meere.
Geol. Rundschau 55,160 (1965).
NIELSEN,H.: Schwefel-Isotopenverhaltnisse aus St.Andreasberg und anderen Erzvorkommen des Harzes. N. Jb. Miner. Abh. (Rose Festband), 109, 289 (1968a).
NIELSEN, H.: Data handling in precision isotope research. Advan. Mass Spectr. 4,
267 (1968 b).
NIELSEN, H.: Sulphur isotopes and the formation of evaporite deposits. In: Proc.
Geology 9f saline deposits, Hannover (1968c).
NIELSEN, H.: Uber den Fraktionierungsfaktor der bakteriellen Sulfatreduktion. Isotope titles (in press) (1972a).
NIELSEN,H.: AltersmaJ3ige Zuordnung von Evaporiten und Solen auf Grund der
,534S-Werte. Isotope titles (in press) (1972b).
NIELSEN, H., RICKE, W.: S-Isotopenverhaltnisse von Evaporiten aus Deutschland.
Ein Beitrag zur Kenntnis von ,5 34 S im Meerwasser-Sulfat. Geochim. Cosmochim. Acta 28, 577 (1964).
NIER,A. 0.: A redetermination of the relative abundances of the isotopes of carbon,
nitrogen, oxygen, argon, and potassium. Phys. Rev. 77, 789 (1950).
NIER,A. 0., GULBRANSEN,E. A.: Variations in the relative abundance of the carbon
isotopes. J. Am. Chern. Soc. 61, 697 (1939).
NIER,A.O., NEY,E.P., INGHRAM,M.G.: A null method for the comparison of two
ion currents in a mass spectrometer. Rev. Sci. Instr. 18,294 (1947).
NORTHROP,D.A., CLAYTON,R.N.: Oxygen isotope fractionations in systems containing dolomite. J. Geol. 74, 174--196 (1966).
OANA, S., DEEVEY, E. S.: Carbon-13 in lake waters and its possible bearing on paleolimnology. Am. J. Sci. 258A, 253-272 (1960).
OHMOTO, H.: Systematics of sulfur and carbon isotopes in hydrothermal ore deposits. Econ. Geol. 67,551-578 (1972).
OHMOTO, H., RYE, R. 0.: The Bluebell Mine, British Columbia, I. Mineralogy, paragenesis, fluid inclusions and the isotopes of hydrogen, oxygen and carbon.
Econ. Geol. 65,417-437 (1970).
O'NEIL,J. R.: Hydrogen and oxygen isotopic fractionation between ice and water.
J. Phys. Chern. 72, 3683 (1968).
