EarthRef.org Reference Database (ERR) -- Shen & Schidlowski 2000

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Shen & Schidlowski 2000

Shen, Y. and Schidlowski, M. (2000). New C isotope stratigraphy from southwest China: Implications for the placement of the Precambrian-Cambrian boundary on the Yangtze Platform and global correlations. Geology 28(7): 623-626.

A high-resolution C isotope profile from a fossiliferous section spanning the Precambrian-Cambrian (PC-C) boundary on the Yangtze Platform, southwest China, is used to constrain C isotope chemostratigraphy and its global correlation. The discovery of a strong negative C isotopic anomaly just below the China marker A indicates that this negative anomaly can be correlated globally, and demonstrates that the PC-C boundary of the Chinese successions should be close to marker A. On the basis of C isotope chemostratigraphic constraints and biostratigraphic data, we rind that C isotopic peak S2, also first reported here from the Chinese successions, can be correlated with C isotopic peak I in northern Siberia and C isotope feature D in southwest Mongolia. By integrating the data from archaeocyaeothan fauna, the C isotopic peak S3 in the middle Dahai carbonates may be correlative with feature G in the Mongolian section.

BACKGROUND DATA FILES

	Abstract

	Table 1A
	Table 1B

	Experimental Methods

Keywords
c-13/c-12, chemostratigraphy, precambrian-cambrian boundary, yangtze platform, early animal evolution, carbon-isotope, proterozoic stratigraphy, earth history, siberia, chemostratigraphy, record, region

Journal
Geology
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Publisher
The Geological Society of America
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