Robert S. Nicoll

Did Cooling Oceans Trigger Ordovician Biodiversification? Evidence from Conodont Thermometry

Julie Trotter, Ian S. Williams, Christopher R. Barnes et al. · Science · 2008 · 646 citations

Ordovician Period, Engineering, Paleoceanography +16

High-precision U-Pb CA-TIMS calibration of Middle Permian to Lower Triassic sequences, mass extinction and extreme climate-change in eastern Australian Gondwana

Ian Metcalfe, James L. Crowley, Robert S. Nicoll et al. · Gondwana Research · 2014 · 232 citations

Engineering, Extreme Climate-change, Precambrian Geology +8

Age and pattern of the southern high-latitude continental end-Permian extinction constrained by multiproxy analysis

Christopher R. Fielding, Tracy D. Frank, Stephen McLoughlin et al. · Nature Communications · 2019 · 214 citations · Full text

Timing of the Permian–Triassic biotic crisis: implications from new zircon U/Pb age data (and their limitations)

Roland Mundil, Ian Metcalfe, K. R. Ludwig et al. · Earth and Planetary Science Letters · 2001 · 200 citations

Engineering, Precambrian Geology, Biochronology +4

End-Permian (252 Mya) deforestation, wildfires and flooding—An ancient biotic crisis with lessons for the present

Vivi Vajda, Stephen McLoughlin, Chris Mays et al. · Earth and Planetary Science Letters · 2019 · 166 citations · Full text