Wille et al. reply

Martin Wille (), Thomas F. Nägler, Bernd Lehmann, Stefan Schröder and Jan D. Kramers
Additional contact information
Martin Wille: Research School of Earth Sciences, Australian National University
Thomas F. Nägler: † Institute for Geological Sciences, University of Bern, Baltzerstrasse 3, 3012 Bern, Switzerland
Bernd Lehmann: Institute of Mineralogy and Mineral Resources, Technical University of Clausthal
Stefan Schröder: § Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA
Jan D. Kramers: † Institute for Geological Sciences, University of Bern, Baltzerstrasse 3, 3012 Bern, Switzerland

Nature, 2009, vol. 459, issue 7248, E6-E6

Abstract: Abstract Replying to: S.-Y. Jiang et al. Nature 459, 10.1038/nature08048 (2009) Jiang et al.1 present a new SHRIMP U–Pb zircon age of 532.3 ± 0.7 million years (Myr) ago for an ash bed in the lowermost black shale sequence of the Niutitang Formation, China, and claim that the data presented in our recent paper2 do not firmly support the idea that the biological and environmental changes at the Precambrian/Cambrian transition can be explained by a single global hydrogen sulphide (H2S) release event. Their new age seems to be supported by another recent SHRIMP investigation3 which indeed suggests that the Chinese metal-enriched sulphide layer does not represent the Precambrian/Cambrian boundary and shows that the redox history of both basins (Oman and South China) was much more complex.

Date: 2009
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DOI: 10.1038/nature08049

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