The Paleocene supersequence of the southern Tibet was formed under the background of the India/ Asia collision ,the sedimentary environment of which was a oreland basin with st rong tectonic activity.

• 该带表现出一个海平面相对上升的过程,形成碳酸盐缓坡。随着前陆推覆体进一步逆冲,前陆隆起继续隆升并最终露出水面,导致其后的隆后盆地转变为半局限环境。