W. J. de Klerk

High-precision temporal calibration of Late Permian vertebrate biostratigraphy: U-Pb zircon constraints from the Karoo Supergroup, South Africa

Bruce S. Rubidge, Douglas H. Erwin, Jahandar Ramezani et al. · Geology · 2013 · 193 citations

Paleoenvironmental Reconstruction, Marine Geology, Engineering +12

Regional trends of chemical variation and thermal erosion in the Upper Critical Zone, Western Bushveld Complex

H. V. Eales, M. Field, W. J. de Klerk et al. · Mineralogical Magazine · 1988 · 115 citations

Magmatic Process, Engineering, Geomorphology +17

New information on Nqwebasaurus thwazi, a coelurosaurian theropod from the Early Cretaceous Kirkwood Formation in South Africa

Jonah N. Choiniere, Catherine A. Forster, W. J. de Klerk · Journal of African Earth Sciences · 2012 · 111 citations

Living Fossil, Evolutionary Biology, South Africa +4

Evidence for magma mixing processes within the Critical and Lower Zones of the northwestern Bushveld Complex, South Africa

H. V. Eales, W. J. de Klerk, B. Teigler · Chemical Geology · 1990 · 98 citations

Magmatic Process, Magma Mixing, Volcanology +12

Some geochemical constraints upon models for the crystallization of the upper critical zone-main zone interval, northwestern Bushveld complex

H. V. Eales, Julian S Marsh, Andrew A. Mitchell et al. · Mineralogical Magazine · 1986 · 85 citations

Magmatic Process, Volcanology, Engineering +20