The basin tectonic model: it is intermont basin during late Jurassic to early Cretaceous, developed into faulted-lacustrine basin in Eogene, and evolved into depression in Neogene and Quaternary.
“盆地”构造发育模式为:从晚侏罗世
白垩
末期发育的山间“盆地”开始、发





陷湖盆的发育、再演化为晚

及
四
地陷发育阶段。



位置
状矿物质沉积量都不一样于是在折射阳光后就出现了不同
群山(上)
山谷;在这里,一条河流
态,尤其是在较古老



