The Mesozoic development of the N-Indian passive margin and of the Xigaze Forearc Basin in southern Tibet, China excursion guide to IGCP 362 ; Working-Group Meeting "Integrated Stratigraphy" ; [ Lhasa, Tibet, May 30 - June 12th, 1995 ] (Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 1995)