TY JOUR TI Lower Permian formations of the Buqingshan Mountains in the A'nyemaqen ophiolitic zone Eastern Kunlun, Qinghai Province, China: On the beginning of the Paleotethys closure KW Ophiolites KW Lower Permian formations KW China. JO Russian Journal of Earth Sciences AU Pospelov, I.I. AU Leven, E.J. AU Bian, Q.. AU Aristov, V.A. AU Korchagin, O.A. PY 2005 IS 7 PB Geophysical Center of the Russian Academy of Sciences