- EmergencestratumsareofSinian,Devonian,Permian,Triasandintrusivegranitedikeandcoarse-grainedgranitedike.ItisoneofthestratumswhicharelowerdegreeofexplorationandresearchintheQaidambasin.Themodelstratumsmainlyincludedmiscellaneousfillingsoilsurface,inter...
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