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Journal of Palaeogeography
Fig. 1 | Journal of Palaeogeography

Fig. 1

From: Diversified calcimicrobes in dendrolites of the Zhangxia Formation, Miaolingian Series (Middle Cambrian) of the North China craton

Fig. 1

Diagram depicts the sedimentary succession of the Cambrian in North China craton. Biostratigraphic succession of trilobites is adapted from Peng (2009). The scheme-1 for the lithostragraphic division is adapted from Lu et al. (1994), Meng et al. (1997) and Feng et al. (1990, 2004). Scheme-2 is from Xiang et al. (1999). Scheme-3 is used in present paper, and is modified from scheme-1 on the basis of sequence-stratigraphic division according to succession of sedimentary facies. Nine third-order sequences (DS1 to DS9) are discerned in the Cambrian System in the North China craton, which are divided by two types of sequence boundaries, i.e. the exposure punctuated surface (SB) and the drowning unconformity surface (arrows). The gray rectangle marks the target strata in present study

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