Early traces of life investigations in drilling Archean hydrothermal and sedimentary rocks of the Pilbara Craton, Western Australia and Barberton Greenstone Belt, South Africa

被引:24
|
作者
Philippot, Pascal [1 ]
Van Kranendonk, Martin [2 ]
Van Zuilen, Mark [1 ,3 ]
Lepot, Kevin [1 ,4 ]
Rividi, Nicolas [1 ]
Teitler, Yoram [1 ]
Thomazo, Christophe [1 ,5 ]
Blanc-Valleron, Marie-Madeleine [6 ]
Rouchy, Jean-Marie [6 ]
Grosch, Eugene [7 ,8 ]
de Wit, Maarten [6 ]
机构
[1] Univ Paris Diderot, CNRS, Inst Phys Globe, IMPMC, F-75005 Paris, France
[2] Geol Survey Western Australia, Perth, WA 6004, Australia
[3] Univ Bergen, Dept Earth Sci, Ctr Geobiol, N-5007 Bergen, Norway
[4] Univ Liege, Dept Geol, B-4000 Liege, Belgium
[5] Univ Paris 07, CNRS, Inst Phys Globe, Lab Geochim Isotopes Stables, F-75005 Paris, France
[6] Museum Natl Hist Nat, CNRS, Dept Hist Terre Geol, UMR 5143, F-75005 Paris, France
[7] Univ Cape Town, Africa Earth Observ Network, ZA-7700 Rondebosch, South Africa
[8] Univ Cape Town, Dept Geol Sci, ZA-7700 Rondebosch, South Africa
关键词
Archean; Early life; Diamond drill cores; Pilbara Craton; Barberton Belt; Stable isotopes; NORTH-POLE AREA; TECTONIC EVOLUTION; FLUID INCLUSIONS; WARRAWOONA GROUP; FOSSIL BACTERIA; FORTESCUE GROUP; GEOCHEMISTRY; CHERT; STROMATOLITES; SUPERGROUP;
D O I
10.1016/j.crpv.2009.06.006
中图分类号
Q91 [古生物学];
学科分类号
0709 ; 070903 ;
摘要
The Pilbara. Craton of Western Australia and the Barberton Greenstone Belt of the Kaapvaal Craton, South Africa, contain some of the oldest and best preserved Archaean rocks and microfossils in the world. Two stratigraphic horizons in the Pilbara Craton were drilled as part of a collaborative effort between France and Australia (the Pilbara Drilling Project) during August 2004, including the 3481 Ma Dresser Formation (Warrawoona Group) and 2724 Ma Tumbiana Formation (Fortescue Group). A new diamond drill hole was cored in August 2008 through part of the similar to 3250 Ma Fig Tree Group in the Barberton Greenstone Belt as part of a joint project between France and South Africa. These pristine diamond drill cores present a unique opportunity to constrain the chemistry of the earliest ocean, the composition of the atmosphere, and the settings and types of microbial ecosystems spanning the Archean Eon. These drill core samples can also provide new clues on the earliest metabolic pathways. To cite this article: P Philippot et al., C R. Palevol 8 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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页码:649 / 663
页数:15
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