Abstract
Spectral analysis is applied to geochemical data from a deep-water Permian-Triassic Boundary (PTB) section across PTB in Dongpan, Guangxi for high-resolution cyclostratigraphic research. The characteristics of the Milankovitch Cycles have been well recorded in the strata of the Dongpan section. Spectrum on Ce/La records shows especially that the ratios among its three preponderant cycles in the section are 5:2:1, which well displays the phenomenon of the sedimentary cycles driven by orbital force. The Milankovitch theory is further confirmed by the Paleozoic records.
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Supported by the National Natural Science Foundation of China (Grant No. 40621002) and Program for Changjiang Scholar and Innovative Research Team in University (Grant No. 20060491502)
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Peng, X., Feng, Q., Li, Z. et al. High-resolution cyclostratigraphy of geochemical records from Permo-Triassic boundary section of Dongpan, southwestern Guangxi, South China. Sci. China Ser. D-Earth Sci. 51, 187–193 (2008). https://doi.org/10.1007/s11430-008-0001-z
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DOI: https://doi.org/10.1007/s11430-008-0001-z