A new geological section recognized in Baish.ntou of Jiayin,h.ilongjiang Province,Ch.na,was studied preliminarily in search.ng for th. K/T *** early Paleocene florule ch.racrerized by abundant Tiliaeph.llum tsagajanic...
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A new geological section recognized in Baish.ntou of Jiayin,h.ilongjiang Province,Ch.na,was studied preliminarily in search.ng for th. K/T *** early Paleocene florule ch.racrerized by abundant Tiliaeph.llum tsagajanicum leaves and its associated plants,was collected from th. Baish.ntou Member(new member representing th. lower part of th. Paleocene Wuyun Formation)overlying th. possible K/T boundary.A tuff bed was found from th. upper part of th. Furao Formation(uppermost Cretaceous)in th.s *** new findings imply th.t th. K/T boundary is probable lying in th. interval between th. base of th. Baish.ntou Member and th. tuff bed,based on th. correlation of th. present strata with.th. stratotype of th. Tsagajan Group spanning th. K/T boundary in"Belaya Gara"of th. Bureya Basin,*** early Paleocene florule from th. Baish.ntou Member and th. early-middle Maastrich.ian dinosaurs found from th. Yuliangzi Formation underlying th. Furao Formation suggest th.t th. Baish.ntou section is more promising for search.ng for th. K/T boundary in th.s *** studies of th. section is needed,integrating paleontological,biostratigraph.c,geoch.mical,paleomagnetic,and sedimentary research.would benefit our understanding th. mass extinction event and biotic recovery in th. h.ilongjiang River area,Ch.na,and even all of north.ast Asia during th. K/T boundary interval.
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