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Bashkirian taeniate bisaccate pollen-dominated palynological assemblage from northwestern Junggar Basin, Xinjiang Province, China
Shi, Tianming1; Li, Qiong1; Amuti, Aliya1; Xiao, Jinan1; Liu, Feng(刘峰)2,3; Yang, Wan4; Li, Qiuli5; Zhang, Hua(张华)2,3; Lu, Zeng6; Peng, Huiping2,3
2021-05-25
Source PublicationGEOLOGICAL JOURNAL
ISSN0072-1050
Pages12
Abstract

The Early Pennsylvanian land plant community is characterized by widespread forests consisting of lycopsids, ferns, and seeds fern in swampy wetlands. The contemporaneous palynological assemblages are mainly composed of spores of Lycospora spp., Densosporites spp., and Laevigatosporites spp. and monosaccate prepollen of Florinites spp. Taeniate bisaccate pollen appeared for the first time during the Early Pennsylvanian but never prevailed in the coeval palynological assemblages. Here, we report a taeniate bisaccate pollen-dominated palynological assemblage from the Jiamuhe Formation of Well Ke 85 in the Zhongguai Uplift, northwestern Junggar Basin, Xinjiang. Nineteen miospore species belonging to 14 genera were identified from the assemblage. Based on their relative abundance, one assemblage is nominated informally as Calamospora breviradiata-Lunatisporites tersus (BT) assemblage. SIMS U-Pb geochronological analysis of zircons from two volcanic ash beds from the basal and upper parts of the formation yields weighted mean Pb-206/U-238 dates of 316.3 +/- 2.2 Ma (MSWD = 1.2, n = 19) and 316.5 +/- 2.8 Ma (MSWD = 0.85, n = 20) in an ascending order. A Bashkirian age is thus assigned to the BT assemblage. Our combined palynological and geochronological investigations reveal an early stage of the rise of conifers in the Kazakhstan Plate and offer a rare glimpse into the Early Pennsylvanian land vegetation in the subtropical area at the northern hemisphere.

KeywordCarboniferous Jiamuhe Formation Junggar Basin Pennsylvanian zircon U– Pb geochronology
DOI10.1002/gj.4167
Indexed BySCI
Language英语
WOS KeywordPALEOZOIC ICE-AGE ; U-PB ; ZIRCON ; HF ; EVOLUTION ; HISTORY
Funding ProjectSecond Tibetan Plateau Scientific Expedition and Research[2019QZKK0706] ; National Natural Science Foundation of China[41372011] ; National Natural Science Foundation of China[41530101] ; National Natural Science Foundation of China[41530103] ; Strategic Priority Research Program (B) of the CAS[XDB03010103] ; US National Science Foundation[EAR 1714749]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000653789400001
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research ; National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the CAS ; US National Science Foundation
PublisherWILEY
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/38127
Collection中国科学院南京地质古生物研究所
Corresponding AuthorPeng, Huiping
Affiliation1.Xinjiang Oilfield Co, Res Inst Expt & Detect, Xinjiang, Peoples R China
2.Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
3.Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
4.Missouri Univ Sci & Technol, Geol & Geophys Program, Rolla, MO 65409 USA
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
6.Peking Univ, Minist Educ, Sch Earth & Space Sci, Key Lab Orogen Belts & Crustal Evolut, Beijing, Peoples R China
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Shi, Tianming,Li, Qiong,Amuti, Aliya,et al. Bashkirian taeniate bisaccate pollen-dominated palynological assemblage from northwestern Junggar Basin, Xinjiang Province, China[J]. GEOLOGICAL JOURNAL,2021:12.
APA Shi, Tianming.,Li, Qiong.,Amuti, Aliya.,Xiao, Jinan.,Liu, Feng.,...&Peng, Huiping.(2021).Bashkirian taeniate bisaccate pollen-dominated palynological assemblage from northwestern Junggar Basin, Xinjiang Province, China.GEOLOGICAL JOURNAL,12.
MLA Shi, Tianming,et al."Bashkirian taeniate bisaccate pollen-dominated palynological assemblage from northwestern Junggar Basin, Xinjiang Province, China".GEOLOGICAL JOURNAL (2021):12.
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