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Journal of Palaeogeography
Fig. 8 | Journal of Palaeogeography

Fig. 8

From: Provenance of upper Permian-lowermost Triassic sandstones, Wutonggou low-order cycle, Bogda Mountains, NW China: implications on the unroofing history of the Eastern North Tianshan Suture

Fig. 8

Ternary diagrams showing mean compositions and classifications of petrofacies of Wutonggou low-order cycle sandstones. Sandstones of Petrofacies 1 (n = 21), Petrofacies 2 (n = 9), and Petrofacies 3 (n = 30) are shown as orange, blue, and gray symbols, respectively. See Table 1 for definitions of grain categories and end-members. Fields of tectonic settings are adapted from Dickinson and Suczek (1979) and Dickinson et al. (1983). CI-craton interior; TC-transitional continent; BU-basement uplift; RO-recycled orogeny; DA-dissected arc; TA-transitional arc; UA-undissected arc; QR-quartzose recycled; TR-transitional recycled; LR-lithic recycled; SC-subduction complex; CO-collision orogen; AO-arc orogen

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