晚石炭世－早二叠世早期
Late Carboniferous-early Early Permian
晚石炭世—早二叠世早期
Late Carboniferous-early Early Permian
早二叠世早期栖霞组底部
Bottom of Chihsia Formation
晚石炭世—早二叠世
Late Carboniferous to Early Permian
天山及邻区石炭纪－早二叠世裂谷火山岩
Carboniferous-Early Permian rift-related volcanic
晚二叠世—早三叠世
late Permian-early Triassic
古新世－始新世早期火山岩
Paleocene-Early Eocene volcanic rocks
晚Campanian期—早Maastrichtian期
晚二叠—早三叠世
late Permian-early Triassic
晚三叠世－早白垩世
late triassic-early cretaceous
晚三叠世－早侏罗世
late triassic-early jurassic