Precambrian Research Special Issue Initial investigations of a Neoarchean shelf margin—-basin transition (Transvaal Supergroup, South Africa) Guest Editors: Andrew H. Knoll Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA Nicolas J. Beukes Department of Geology, University of Johannesburg, Auckland Park 2006 Johannesburg, South Africa VOL. 169/1-4 (2009) Amsterdam e Boston e London e NewYork e Oxford e Paris e Philadelphia e San Diego e St. Louis Precambrian Research 169 (2009) iv Contents lists available at ScienceDirect Precambrian Research journal homepage: www.elsevier.com/locate/precamres Contents Special Issue Initial investigations of a Neoarchean shelf margin-basin transition (Transvaal Supergroup, South Africa) Guest Editors: Andrew H. Knoll and Nicolas J. Beukes Introduction: Initial investigations of a Neoarchean shelf margin-basin transition (Transvaal Supergroup, South Africa) A.H. Knoll and N.J. Beukes Isotopic constraints on the Late Archean carbon cycle from the Transvaal Supergroup along the western margin of the Kaapvaal Craton, South Africa W.W. Fischer, S. SchroederJ,.P . Lacassie, N.J. Beukes, T. Goldberg, H. Strauss, U.E. Horstmann, D.P. Schrag and A.H. Knoll Late Archean molecular fossils from the Transvaal Supergroup record the antiquity of microbial diversity and aerobiosis J.R. Waldbauer, L.S. Sherman, D.Y. Sumner and R.E. Summons Origin of two distinct multiple-sulfur isotope compositions of pyrite in the 2.5 Ga Klein Naute Formation, Griqualand West Basin, South Africa S. Ono, N.J. Beukes and D. Rumble Lithofacies control on multiple-sulfur isotope records and Neoarchean sulfur cycles S. Ono, A.J. Kaufman, J. Farquhar, D.Y. Sumner and N.J. Beukes Microbialite-sediment interactions on the slope of the Campbellrand carbonate platform (Neoarchean, South Africa) S. Schréder, N.J. Beukes and D.Y. Sumner Paleomagnetism of a Neoarchean-Paleoproterozoic carbonate ramp and carbonate platform succession (Transvaal Supergroup) from surface outcrop and drill core, Griqualand West region, South Africa M.O. de Kock, D.A.D. Evans, J.L. Kirschvink, N.J. Beukes, E. Rose and I. Hilburn Correlating multiple Neoarchean-Paleoproterozoic impact spherule layers between South Africa and Western Australia B.M. Simonson, D.Y. Sumner, N.]. Beukes, S. Johnson and J. Gutzmer doi: 10.1016/S0301-9268(09)00034-5