著名的横断山脉三江流域高山峡谷区,地势高亢、山岭层迭,河流深切、基岩裸露, 气候高寒而干燥。在这一地区的达马拉——宁静山脉与金沙江西岸高山深壑之间,有一条与山脉并行的狭长山间洼地,即是人们所称的“贡觉红层盆地”。行政区划分属西藏贡觉, 江达、昌都三县所辖。盆地自燕山运动末期开始,连续堆积了近五千米厚的以红色碎屑岩为主的河湖沉积和化学沉积。红层呈北北西带状分布,南起阿翁经贡觉向北止于帮格,长 The famous Hengduan Mountains Sanjiang valley alpine gorge area, high-pitched terrain, mountain lamination, deep river, bedrock exposed, cold climate and dry. Between the Damal-Quiet Mountain Range in this region and the deep-lying mountains and valleys in the west bank of the Jinsha River, there is a narrow, mountain-shaped depressions parallel to the mountains, which are what people call the “Gongjue Red Layer Basin.” Administrative division is Tibet Gongjue, Jiangda, Chamdo three counties under the jurisdiction of. Since the end of the Yanshan movement, the basin has continuously deposited nearly five kilometers of sediments and chemical deposits of rivers and lakes dominated by red clastic rocks. The red layer is distributed in the north and the west, and from the south, the Wengong Gongkui is located to the north to help the grid and grow