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Early traces of life investigations in drilling Archean hydrothermal and sedimentary rocks of the Pilbara Craton, Western Australia and Barberton Greenstone Belt, South Africa
Philippot, P.; Van Zuilen, M.; Lepot, K.; Rividi, N.; Teitler, Y.; Thomazo, C.; Blanc-Valleron, M.-M.; Rouchy, J.-M.; Grosch, E.; de Wit, M. (2009). Early traces of life investigations in drilling Archean hydrothermal and sedimentary rocks of the Pilbara Craton, Western Australia and Barberton Greenstone Belt, South Africa. C. R., Palévol 8(7): 649-663. https://dx.doi.org/10.1016/j.crpv.2009.06.006
In: Comptes Rendus. Palévol. Elsevier: Paris. ISSN 1631-0683; e-ISSN 1777-571X, meer
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| Author keywords |
Archean; Early life; Diamond drill cores; Pilbara Craton; BarbertonBelt; Stable isotopes |
| Auteurs | | Top |
- Philippot, P.
- Van Zuilen, M.
- Lepot, K., meer
- Rividi, N.
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- Teitler, Y.
- Thomazo, C.
- Blanc-Valleron, M.-M.
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- Rouchy, J.-M.
- Grosch, E.
- de Wit, M.
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| Abstract |
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. |
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