Category Archives: Publications

New group publications on the Toarcian Oceanic Anoxic Event

Recently two papers from our lab on the Toarcian Oceanic Anoxic Event (OAE) were published. This work was supported by the National Science Foundation’s Sedimentary Geology and Paleobiology program. The Toarcian OAE or T-OAE occurred during the Early Jurassic Period … Continue reading

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New Publication: Elucidating the relationship between the later Cambrian end-Marjuman extinctions and SPICE Event

A study led by former lab group member Angela Gerhardt on the temporal relationship between a major perturbation to the marine carbon cycle (known as the SPICE) and extinctions that occurred during the late Cambrian has now been published online … Continue reading

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New Publication: Sulfur and carbon geochemistry of the Santa Elena peridotites: Comparing oceanic and continental processes during peridotite alteration

A paper by Esther Schwarzenbach and I on sulfur and carbon cycling during the process of serpentinization was recently published in the journal Lithos.  This study was a collaboration with Esteban Gazel and Pilar Madrigal from the VT-Volcanoes Group. This … Continue reading

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Nature paper on oxygenation during the Proterozoic and Paleozoic published

A paper that I was a co-author was just published in Nature.  The study was led by Erik Sperling and statistically analyses geochemical data (specifically the iron content of shales) in order to track the redox evolution of the oceans … Continue reading

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New paper out on the Fransian-Fammenian Extinctions

Some of my collaborators and I have a new paper out in the journal Palaeogeography, Palaeoclimatology, Palaeoecology about the role of the development euxinic waters – oxygen deficient and hydrogen sulfide containing – in the Late Devonian extinction events. Click … Continue reading

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