摘要
The existence of the Paleo-Tethys in western Yunnan has generally beenrecognized as the progress in geological studies there during the last decade.Recently, Japanese geologists proposed that the Carboniferous-Permian volcanic arcand seamount rock associations in Japan originated from the low-latitudeProto-Pacific realm, and their northward migration seems to have started in or afterthe Triassic times. Then the very interesting problems are facing us: how does
基金
Project supported by the National Natural Science Foundation of China
the Laboratory of Lithosphere Tectonic Evolution, Institute of Geology, Academia Sinica.