The Xining and the Minhe Basins bordering on each other around Ledu innorthwestern China cover a wide area from the west of Lanzhou in Gansuprovince to the east of Xining in Qinghai province.In these inland basins,Mes...The Xining and the Minhe Basins bordering on each other around Ledu innorthwestern China cover a wide area from the west of Lanzhou in Gansuprovince to the east of Xining in Qinghai province.In these inland basins,Meso-Cenozoic terrestrial deposits about 6000-7000 meters in thicknessand rich in mineral resources,such as coal,oi1 as well as salts,had beenaccumunated,which yield abundant organic remains comprising microfossils,such as nonmarine ostracods,charophytes,spores and pollen and macrofos-si1s including bivalves.gastropods,esthierians,fishes,reptiles and plants.展开更多
Objective The Baoligaomiao Formation is widely distributed from the East Wuqi to Zhanlantun area in the Xing’an Mongolian orogenic belt(Tian Shugang et al.,2016;Wei et al.,2017).This formation contains abundant Angar...Objective The Baoligaomiao Formation is widely distributed from the East Wuqi to Zhanlantun area in the Xing’an Mongolian orogenic belt(Tian Shugang et al.,2016;Wei et al.,2017).This formation contains abundant Angara biological fossils which exhibit diachronism展开更多
文摘The Xining and the Minhe Basins bordering on each other around Ledu innorthwestern China cover a wide area from the west of Lanzhou in Gansuprovince to the east of Xining in Qinghai province.In these inland basins,Meso-Cenozoic terrestrial deposits about 6000-7000 meters in thicknessand rich in mineral resources,such as coal,oi1 as well as salts,had beenaccumunated,which yield abundant organic remains comprising microfossils,such as nonmarine ostracods,charophytes,spores and pollen and macrofos-si1s including bivalves.gastropods,esthierians,fishes,reptiles and plants.
基金financially supported by the Geological Survey Project of China (grants No. DD020160048-03, 12120113054100, 121201207000171401 and 121201122 0435)
文摘Objective The Baoligaomiao Formation is widely distributed from the East Wuqi to Zhanlantun area in the Xing’an Mongolian orogenic belt(Tian Shugang et al.,2016;Wei et al.,2017).This formation contains abundant Angara biological fossils which exhibit diachronism