Connor O'Keeffe

Connor O'Keeffe


I am a 1st year PhD student with an interest in episodes of extreme environmental change in earth's past, e.g. ocean anoxic events. I have a background in organic geochemistry, and have experience in benthic macropalaeontology, sequential iron extraction, and trace metal geochemistry. 

2014 - 2018 MSci Geology, University of Southampton

2018 - PhD Geology, University of Leeds

Research interests

The project "Oceanic anoxic event conundrums: reconciling palaeontology and geochemistry" aims to reconcile apparently conflicting proxy records for oxygen depletion from the Cleveland basin, Yorkshire. The 'Jet rock' is exposed at this locality, and records a period in earth's geological past - the Toarcian Oceanic Anoxic Event (T-OAE) - where a large disturbance to the global carbon cycle occured, and when many restricted oceanic basins became rapidly depleted in oxygen. Understanding better how the benthic marine community responded to this event will better prepare us for the consequences of the current, insideous rise in costal anoxia. 


  • 2014 - 2018 MSci Geology, University of Southampton

Research groups and institutes

  • Earth Surface Science Institute
  • Palaeo@Leeds
  • Cohen Geochemistry