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.
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”构造发育模式为：从晚侏罗世到白垩纪末期发育
山间“”开始、发展到早第三纪断陷湖发育、再演化为晚第三纪及第四纪陷发育阶段。
，部分未经过人工审核，其表达内容亦不代表本软件
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