Richard Armstrong

Zircon ion microprobe studies bearing on the age and evolution of the Witwatersrand triad

Richard Armstrong, W. Compston, E. A. Retief et al. · Precambrian Research · 1991 · 374 citations

Witwatersrand Triad, Engineering, Provenance (Geology) +5

Initiation of the western branch of the East African Rift coeval with the eastern branch

Eric M. Roberts, Nancy J. Stevens, Patrick M. O’Connor et al. · Nature Geoscience · 2012 · 324 citations

Geophysics, Rift System, African History +11

Precambrian evolution of the Sirwa Window, Anti-Atlas Orogen, Morocco

Robert James Thomas, L. Chevallier, P. G. Gresse et al. · Precambrian Research · 2002 · 294 citations

Engineering, Precambrian Geology, Sirwa Window +3

The neoproterozoic Mantiqueira Province and its African connections: a zircon-based U–Pb geochronologic subdivision for the Brasiliano/Pan-African systems of orogens

Luiz Carlos da Silva, Neal J. McNaughton, Richard Armstrong et al. · Precambrian Research · 2005 · 284 citations · Full text

Engineering, African Connections, Neoproterozoic Mantiqueira Province +8

87Sr/86Sr ratios in modern and fossil food-webs of the Sterkfontein Valley: implications for early hominid habitat preference

Andrew Sillen, Grant Hall, Stephen H. Richardson et al. · Geochimica et Cosmochimica Acta · 1998 · 257 citations

Paleoenvironmental Reconstruction, Evolutionary Biology, Paleoanthropology +3