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
3.
Yanqi basin is an intermont basin of tian shan , there is a nww trending right lateral strike slip active fault in southwestern basin , its maximum slip distance is 210m , and slip rate is about 10mm / yr , moreover , there is a west - east trending active anticline along northern basin
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