晚三叠世风化壳
Late Triassic weathered crust
晚三叠世黄山街组
late triassic huangshanjie formation
晚三叠世火山岩
Late Triassic volcanic rocks
晚三叠世侵入岩
Late Triassic intrusive rocks
晚三叠世-早白垩世
late triassic-early cretaceous
晚三叠世-早侏罗世
late triassic-early jurassic
晚三叠世—早侏罗世
late triassic-early jurassic
晚二叠世—早三叠世
late Permian-early Triassic
晚二叠—早三叠世
late Permian-early Triassic
晚古生代-早三叠世
late paleozoic-early triassic
晚二叠世晚期
The later period of upper permian
二叠/三叠纪界线
permian-triassic boundary