People

Rosalie Tostevin

Rosalie has a PhD in Precambrian sedimentary geochemistry from UCL, and a Master’s degree in geology from the University of Cambridge. She worked as a postdoc at the University of Otago for six months and the University of Oxford for three years. She joined the University of Cape Town as a lecturer in 2019.

PhD Students

Brooke Johnson

Brooke is based at the University of Oxford, researching phosphorous cycling in the Mesoproterozoic Roper Group, Australia, using traditional petrography and modern micro-analytical techniques.

Master’s Students

McDonald Mtonda

Mcdonald is working on trace element and isotopic data in carbonate rocks from the Neoproterozoic Nama Group, to constrain changes in weathering and redox during the emergence of skeletal life.

Honours Students

Mapaseka Mashego

Mapaseka is investigating rare earth element patterns in microbial carbonates from the Ediacaran Nama Group, to constrain local oxygen levels in microbial reef systems.

Alumni

Matthew Brady

Matt was a Master’s student at the University of Oxford, and is now a PhD student at the University of Cambridge. He used experiments to constrain sedimentary phosphate cycling under ferruginous conditions.

Alice Ashpitel

Alice was a Master’s student at the University of Oxford. She used experiments to understand iron and carbon cycling on early Mars.

Honorary Members

Dora Tostevin

Sometimes assists in the field. Loves the outdoors. Expert on sticks and squirrels.

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