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Table of Contents - Special Paper 405

Processes on the Early Earth

edited by Wolf Uwe Reimold and Roger L. Gibson

1. The record of impact processes on the early Earth: A review of the first 2.5 billion years
Christian Koeberl
2. Large-scale impacts and the evolution of the Earth’s crust: The early years
Richard A.F. Grieve, Mark J. Cintala, and Ann M. Therriault
3. Archean spherule layers in the Barberton greenstone belt, South Africa: A discussion of problems related to the impact interpretation
Axel Hofmann, Wolf Uwe Reimold, and Christian Koeberl
4. Diagenetic alteration of impact spherules in the Neoarchean Monteville layer, South Africa
Issaku Kohl, Bruce M. Simonson, and Melissa Berke
5. Relicts of Earth’s earliest crust: U-Pb, Lu-Hf, and morphological characteristics of >3.7 Ga detrital zircon of the western Canadian Shield
R.P. Hartlaub, L.M. Heaman, A. Simonetti, and C.O. Böhm
6. Precise U-Pb Zircon ID-TIMS ages provide an alternative interpretation to early ion microprobe ages and new insights into Archean crustal processes, northern Labrador
Thomas E. Krogh and Sandra L. Kamo
7. The 3.466 Ga “Kitty’s Gap Chert,” an Early Archean microbial ecosystem
Frances Westall, Sjoukje T. de Vries, Wouter Nijman, Virgile Rouchon, Beate Orberger, Victoria Pearson, Jon Watson, Alexander Verchovsky, Ian Wright, Jean-Noël Rouzaud, Daniele Marchesini, and Anne Severine
8. Microfacies and origin of some Archean cherts (Pilbara, Australia)
Beate Orberger, Virgile Rouchon, Frances Westall, Sjoukje T. de Vries, Daniele L. Pinti, Christiane Wagner, Richard Wirth, and Ko Hashizume
9. Contrasting source components of clastic metasedimentary rocks in the lowermost formations of the Barberton greenstone belt
Annika Dziggel, Gary Stevens, Marc Poujol, and Richard A. Armstrong
10. The significance of subduction-related accretionary complexes in early Earth processes
John W. Shervais
11. A reevaluation of Archean intracratonic terrane boundaries on the Kaapvaal Craton, South Africa: Collisional suture zones?
Carl R. Anhaeusser
12. Syntectonic emplacement and deformation of the Heerenveen batholith: Conjectures on the structural setting of the 3.1 Ga granite magmatism in the Barberton granite-greenstone terrain, South Africa
Richard W. Belcher and Alexander F.M. Kisters
13. SHRIMP zircon age constraints on Mesoarchean crustal development in the Vredefort dome, central Kaapvaal Craton, South Africa
Richard A. Armstrong, Cristiano Lana, Wolf Uwe Reimold, and Roger L. Gibson
14. Physical volcanology and compositions of the basaltic lavas in the Archean Nzuse Group, White Mfolozi inlier, South Africa
Allan H. Wilson and Claire E. Grant
15. The structural-metamorphic evolution of the northern margin of the Zimbabwe Craton and the adjacent Zambezi belt in northeastern Zimbabwe
Paul H.G.M. Dirks and Hielke A. Jelsma
16. The Limpopo Belt: A result of Archean to Proterozoic, Turkic-type orogenesis?
J.M. Barton Jr., R. Klemd, and A. Zeh
17. Origin of hydrothermal fluids and gold mineralization associated with the Ventersdorp Contact Reef, Witwatersrand Basin, South Africa: Constraints from S, O, and H isotopes
B. Zhao, L.J. Robb, C. Harris and L.J. Jordaan
18. The nature of hydrocarbons and related fluids in the Witwatersrand Basin, South Africa: Their role in metal redistribution
G.R. Drennan and L.J. Robb
19. Conditions of gold remobilization in the Ventersdorp Contact Reef, Witwatersrand Basin, South Africa
Rudy H. Boer and Wolf Uwe Reimold