Abstract
Replying to: H. Zhou et al. Nature 450, doi: 10.1038/nature06408 (2007).
Zhou et al.1 raise the possibility that the titanium (Ti) record at Lake Huguang Maar is controlled by local erosion and runoff to the lake, or through hydrological changes in the lake such as level fluctuations, rather than by changes in the inputs of airborne material2. The authors come to this conclusion by considering the Ti record in isolation. They ignore the redox-sensitive parameters of the S-ratio, total organic-matter content, the Mn/Fe ratio, and magnetic susceptibility records. We believe that their case against our interpretation of the Ti record is weak, and that their interpretation can be ruled out if the other measurements are taken into account2.
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References
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Yancheva, G., Nowaczyk, N., Mingram, J. et al. Yancheva et al. reply. Nature 450, E11 (2007). https://doi.org/10.1038/nature06409
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DOI: https://doi.org/10.1038/nature06409
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