Publications
] Inverse correlation between the molybdenum and uranium isotope compositions of Upper Devonian black shales caused by changes in local depositional conditions rather than global ocean redox variations. Geochimica et Cosmochimica Acta 287, 141-164 (2020).
Good golly, why moly? The stable isotope geochemistry of molybdenum. Reviews in Mineralogy and Geochemistry: Non-Traditional Stable Isotopes 82, 683-732 (2017).
Transient episodes of mild environmental oxygenation and oxidative continental weathering during the late Archean. Science Advances 1, e1500777 (2015).
Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period. Geochimica et Cosmochimica Acta 156, 173-193 (2015).
An osmium-based method for assessing the source of dissolved rhenium and molybdenum to Archean seawater. Chemical Geology 385, 92-103 (2014).
Uranium isotope fractionation suggests oxidative uranium mobilization at 2.50 Ga. Chemical Geology 362, 105-114 (2013).
Depositional age of the early Paleoproterozoic Klipputs Member, Nelani Formation (Ghaap Group, Transvaal Supergroup, South Africa) and implications for low-level Re-Os geochronology and Paleoproterozoic global correlations. Precambrian Research 237, 1-12 (2013).
Chapter 6 - The global iron cycle. Fundamentals of Geobiology 1st Edition 65-92 (2012).
Molybdenum isotope constraints on the extent of late Paleoproterozoic ocean euxinia. Earth and Planetary Science Letters 307, 450-460 (2011).
187Re-187Os geochronology of Precambrian organic-rich sedimentary rocks. The Geological Society, London, Special Publications 326, 85-107 (2009).
Correlation of Sturtian diamictite successions in southern Australia and northwestern Tasmania by Re-Os black shale geochronology and the ambiguity of “Sturtian”-type diamictite – cap carbonate pairs as chronostratigraphic marker horizon. Precambrian Research 172, 301-310 (2009).
Re-Os and Mo isotope systematics of black shales from the Middle Proterozoic Velkerri and Wollogorang Formations, McArthur Basin, northern Australia. Geochimica et Cosmochimica Acta 73, 2534-2558 (2009).
Re-Os geochronology of post-glacial black shales in Australia: Constraints on the timing of “Sturtian” glaciation. Geology 34, 729-732 (2006).
Constraints on the timing of Marinoan “Snowball Earth” glaciation by 187Re-187Os dating of a Neoproterozoic, post-glacial black shale in western Canada. Earth and Planetary Science Letters 222, 729-740 (2004).
Global ocean redox changes before and during the Toarcian Oceanic Anoxic Event. Nature Communications 14, 815 (2023).
The Mo- and U-isotope signatures in alternating shales and carbonate beds of rhythmites: a comparison and implications for redox conditions across the Cambrian-Ordovician boundary. Chemical Geology 602, 120882 (2022).
New constraints on mid-Proterozoic ocean redox from stable thallium isotope systematics of black shales. Geochimica et Cosmochimica Acta 315, 185-206 (2021).
Chapter 8.21 - The geologic history of seawater. Treatise on Geochemistry 2nd Edition 8, 569-622 (2014).
