论文部分内容阅读
一、前言波里拉组一名,为1970年四川省地质局第三区调队根据察雅县波里拉山的一套深灰至浅灰色、中厚—厚层状灰岩而命名。它代表了昌都地区晚三叠世诺利期一套稳定的碳酸盐沉积。特征是厚度不大,一般为200—500m。该灰岩在整个昌都地区地貌标志很清楚,尤如恐龙的脊椎骨一样突出地表,很容易识别寻找。本文及部分化石,经武汉地院杨遵仪教授、徐桂荣副教授审阅,提出宝贵意见,在此表示衷心感谢。
I. Preface The Porila Formation was named after a set of dark gray to light gray, medium-thick-thick limestone formations of the Third District of Sichuan Province Bureau of Geological Survey in 1970 based on the Polila Mountain in Chaya County. It represents a stable carbonate deposition in the Late Triassic Norils in the Qamdo area. Characteristics are not thick, usually 200-500m. The limestone in the entire Qamdo landform is very clear, as the dinosaur vertebra as prominent surface, it is easy to identify find. This article and part of the fossils, Wuhan Institute Professor Yang Zunyi, Xu Guirong associate professor review, put forward his valuable opinions, to express my sincere thanks.