Oxygen isotopes of East Asian dinosaurs reveal exceptionally cold Early Cretaceous climates - PubMed (original) (raw)

Fig. 1.

Palaeogeographic map of eastern Asia in the Early Cretaceous modified from ref. . Number refers to the following horizons and localities: 1: Napai Fm., Guangxi, China, Aptian?; 2: Sao Khua Fm., Thailand, Barremian? (43); 3: Khok Kruat Fm., Thailand, Aptian (43); 4: Xinmingbao Fm., Gansu, China, Aptian-Albian (44); 5: Yixian Fm., Liaoning, China, Barremian-early Aptian (6); 6: Shahai and 7:Fuxin formations, Liaoning, China, Aptian-Albian (45); and 8: Kuwajima Fm., Japan, Barremian-early Aptian (46). Palaeolatitude of each locality was calculated using the Apparent Polar Wander Path (APWP) of refs. , . Abbreviations refer to major tectonic divisions: EUR, Europe; INC, Indo-China; IND, India; J, Japan; JUN, Junggar; K, Korea; KAZ, Kazakhstan; LH, Lhassa; MON, Mongolian; NCB, north China; QI, Qiangtang; SCB, south China; SH, Shan Thai; SIB, Siberian; and TAR, Tarim.