Publications
Questions regarding Precambrian sulfur isotope fractionation.. ScienceScience. 292(5524):1959.
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2001. Shallow remineralization in the Sargasso Sea estimated from seasonal variations in oxygen, dissolved inorganic carbon and nitrate. Deep Sea Research Part II: Topical …Deep Sea Research Part II: Topical …. 48(8-9):1567-1582.
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2001. New insights into Archean sulfur cycle from mass-independent sulfur isotope records from the Hamersley Basin, Australia. Earth and planetary science lettersEarth and planetary science letters. 213(1-2):15-30.
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2003. Tellurium isotopic composition of the early solar system - A search for effects resulting from stellar nucleosynthesis, 126Sn decay, and mass-independent fractionation. Geochimica et Cosmochimica ActaGeochimica et Cosmochimica Acta. 69(21):5099-5112.
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2005. Early evolution of atmospheric oxygen from multiple-sulfur and carbon isotope records of the 2.9 Ga Mozaan Group of the Pongola Supergroup, Southern Africa. South African Journal of GeologySouth African Journal of Geology. 109(1-2):97-108.
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2006. High precision analysis of all four stable isotopes of sulfur (32S, 33S, 34S and 36S) at nanomole levels using a laser fluorination isotope-ratio-monitoring gas chromatography–mass spectrometry. Chemical GeologyChemical Geology. 225(1-2):30-39.
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2006. Mass-dependent fractionation of quadruple stable sulfur isotope system as a new tracer of sulfur biogeochemical cycles. Geochimica et Cosmochimica ActaGeochimica et Cosmochimica Acta. 70(9):2238-2252.
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2006. S-33 constraints on the seawater sulfate contribution in modern seafloor hydrothermal vent sulfides. Geochimica et cosmochimica …Geochimica et cosmochimica …. 71(5):1170-1182.
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2007. Multiple-sulphur isotope biosignatures. Space Science ReviewsSpace Science Reviews. 135(1-4):203-220.
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2008. Quadruple sulfur isotope analysis of ca. 3.5 Ga Dresser Formation: New evidence for microbial sulfate reduction in the early Archean. Geochimica et Cosmochimica …Geochimica et Cosmochimica …. 72(23):5675-5691.
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2008. Sulfur isotope evidence for microbial sulfate reduction in altered oceanic basalts at ODP Site 801. Earth and Planetary Science LettersEarth and Planetary Science Letters. 268(1-2):110-123.
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2008. Lithofacies control on multiple-sulfur isotope records and Neoarchean sulfur cycles. Precambrian …Precambrian …. 169(1-4):58-67.
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2009. Origin of two distinct multiple-sulfur isotope compositions of pyrite in the 2.5 Ga Klein Naute Formation, Griqualand West Basin, South Africa. Precambrian ResearchPrecambrian Research. 169(1-4):48-57.
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2009. Formation and stability of oxygen-rich bubbles that shape photosynthetic mats. GeobiologyGeobiology. 8(1):45-55.
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2010. Formation and stability of oxygen-rich bubbles that shape photosynthetic mats. GeobiologyGeobiology. 8:45-55.
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2010. Decoupling of O and Pb isotope systems of uraninite in the early Proterozoic conglomerates in the Elliot Lake district. Chemical GeologyChemical Geology. 288(1-2):1-13.
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2011. Effect of electron donors on the fractionation of sulfur isotopes by a marine Desulfovibrio sp.. Geochimica et Cosmochimica ActaGeochimica et Cosmochimica Acta. 75(15):4244-4259.
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2011. Large sulfur isotope fractionation does not require disproportionation. ScienceScience. 333(6038):74-77.
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2011. Multiple-sulfur isotope effects during photolysis of carbonyl sulfide. Atmospheric Chemistry and PhysicsAtmospheric Chemistry and Physics. 11(19):10283-10292.
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2011. Effects of Iron and Nitrogen Limitation on Sulfur Isotope Fractionation during Microbial Sulfate Reduction. Applied and Environmental Microbiology.
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2012. Effects of Iron and Nitrogen Limitation on Sulfur Isotope Fractionation during Microbial Sulfate Reduction.. Applied and environmental microbiologyApplied and environmental microbiology. :AEM.01842-12-.
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2012. Excitation band dependence of sulfur isotope mass-independent fractionation during photochemistry of sulfur dioxide using broadband light sources. Geochimica et Cosmochimica ActaGeochimica et Cosmochimica Acta. 94:238-253.
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2012. A multiple sulfur and organic carbon isotope record from non-conglomeratic sedimentary rocks of the Mesoarchean Witwatersrand Supergroup, South Africa. Precambrian ResearchPrecambrian Research. 216-219:208-231.
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2012. Sulfur isotope fractionation during oxidation of sulfur dioxide: gas-phase oxidation by OH radicals and aqueous oxidation by H2O2, O3 and iron catalysis. Atmospheric Chemistry and PhysicsAtmospheric Chemistry and Physics. 12(1):407-423.
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2012. Sulfur mass-independent fractionation in liquid phase chemistry: UV photolysis of phenacylphenylsulfone as a case study. Geochimica et Cosmochimica ActaGeochimica et Cosmochimica Acta.
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