Litho-and biostratigraphy of the East Mesa in Shara Murun Region of the Erlian Basin, Inner Mongolia, China, and the subdivision of the Ulangochuian Asian Land Mammal Age

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	Litho-and biostratigraphy of the East Mesa in Shara Murun Region of the Erlian Basin, Inner Mongolia, China, and the subdivision of the Ulangochuian Asian Land Mammal Age
	Bai, Bin1 ; Li, Qian1 ; Zhou, Xin-ying1,2 ; Wang, Xiao-yang 1,2; Xu, Ran-cheng 1,3; Zhang, Xin-yue 1,2; Quan, Shuo-shuo 1,2; Meng, Jin1,4,5 ; Wang, Yuan-qing1,2
	2025-04-08
发表期刊	AMERICAN MUSEUM NOVITATES
ISSN	0003-0082
期号	4034 页码:1-32
摘要	The Paleogene deposits in the Erlian Basin are nearly continuous from the upper Paleocene to the lower Oligocene, and most Eocene Asian Land Mammal Ages were proposed on the basis of the corresponding mammal faunas from different formations in the basin. However, the correlation and extension of some lithologic units are complex and controversial in this region due to the spatial variation of the terrestrial sediments and a complex research history for more than a century. In the past decades, we have clarified the definition and correlation of the late Paleocene through early middle Eocene deposits in Huheboerhe area, but those of the middle to late Eocene deposits in Shara Murun region still remain disputable. The Ulan Gochu Formation, which was initially referred to a set of red clay at the typical Ulan Gochu locality, was considered to extend for a much wider range at the Bayan Obo (= Twin Oboes) and Jhama Obo sections with description of new materials of Eomoropus major and Brachyhyops neimengolensis. Deposits exposed at the Bayan Obo section can be subdivided into the Tukhum, Shara Murun, Ulan Gochu, and Baron Sog formations, totally about 70 m in thickness. The exposed strata at the Jhama Obo section can be subdivided into partial Shara Murun, Ulan Gochu, and Baron Sog formations, about 50 m in total thickness. The lithostratigraphic correlation and faunal compositions of the East Mesa are discussed based on our recent fieldworks and CAE collection records. Furthermore, the late middle Eocene Ulangochuian ALMA can be divided into Ug(1) and Ug(2), based on the mammal faunas from the upper member of the Shara Murun Formation and the Ulan Gochu Formation, respectively. The Ulangochuian is roughly correlated to the Duchesnean NALMA.
关键词[WOS]	HYAENODON HYAENODONTIDAE ; MIDDLE EOCENE ; NEI MONGOL ; PERISSODACTYLA ; FAUNA
收录类别	SCI
语种	英语
资助项目	Frick funds from the Division of Paleontology###3354 ; Key Research and Development Project of China[2024YFF0807603]###3353 ; Science & Technology Fundamental Resources Investigation Program[2023YF100905]###3072 ; National Natural Science Foundation of China[42272011]###2712 ; National Natural Science Foundation of China[42072023]###1676 ; National Natural Science Foundation of China[41672014]###199
WOS研究方向	Biodiversity & Conservation ; Zoology
WOS类目	Biodiversity Conservation ; Zoology
WOS记录号	WOS:001465392500001
出版者	AMER MUSEUM NATURAL HISTORY
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/24694
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Bai, Bin
作者单位	1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China 3.Gansu Prov Inst Cultural Rel & Archaeol, Lanzhou, Peoples R China 4.Amer Museum Nat Hist, Div Paleontol, New York, NY USA 5.CUNY, Grad Ctr, Earth & Environm Sci, New York, NY USA
推荐引用方式 GB/T 7714	Bai, Bin,Li, Qian,Zhou, Xin-ying,et al. Litho-and biostratigraphy of the East Mesa in Shara Murun Region of the Erlian Basin, Inner Mongolia, China, and the subdivision of the Ulangochuian Asian Land Mammal Age[J]. AMERICAN MUSEUM NOVITATES,2025(4034):1-32.
APA	Bai, Bin.,Li, Qian.,Zhou, Xin-ying.,Wang, Xiao-yang.,Xu, Ran-cheng.,...&Wang, Yuan-qing.(2025).Litho-and biostratigraphy of the East Mesa in Shara Murun Region of the Erlian Basin, Inner Mongolia, China, and the subdivision of the Ulangochuian Asian Land Mammal Age.AMERICAN MUSEUM NOVITATES(4034),1-32.
MLA	Bai, Bin,et al."Litho-and biostratigraphy of the East Mesa in Shara Murun Region of the Erlian Basin, Inner Mongolia, China, and the subdivision of the Ulangochuian Asian Land Mammal Age".AMERICAN MUSEUM NOVITATES .4034(2025):1-32.

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