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MIDDLE PERMIAN FUSULINES FROM THE THITSIPIN FORMATION OF SHAN STATE, MYANMAR AND THEIR PALAEOBIOGEOGRAPHICAL AND PALAEOGEOGRAPHICAL IMPLICATIONS
Zhang, Yi-Chun (张以春)1,2; Aung, Kyi Pyar3; Shen, Shu-Zhong (沈树忠)4; Zhang, Hua (张华)1,2; Zaw, Than5,6; Ding, Lin5,7; Cai, Fu-Long5; Sein, Kyaing6
2020
Source PublicationPAPERS IN PALAEONTOLOGY
ISSN2056-2799
Volume6Issue:2Pages:293-327
Abstract

Fusuline faunas including 29 species belonging to 19 genera/subgenera are described from the Thitsipin Formation in eight sections/localities on the Shan Plateau in eastern Myanmar. These fusulines broadly indicate a Midian (middle Permian, Guadalupian) age. The lower diversity and the presence of some genera, such as Monodiexodina and Eopolydiexodina, suggest that the Sibumasu Block belonged to the palaeobiogeographic Cimmerian Province during the Midian. Furthermore, quantitative cluster analysis of middle Permian fusulines from the Shan Plateau and adjacent Cimmerian blocks suggests close faunal affinities between the Sibumasu Block and the Baoshan Block in western Yunnan. More importantly, the widespread occurrence of fusulines Eopolydiexodina afghanensis and Jinzhangia shengi on the Shan Plateau is similar to that of contemporaneous fusuline faunas from the Baoshan Block and the South Qiangtang Block but different to that of the Tengchong and Lhasa Blocks, which are dominated by the characteristic Nankinella-Chusenella assemblage. This faunal discrepancy provides strong evidence that the Bangong-Nujiang suture passes through the Gaoligong Orogen in western Yunnan rather than through the Myitkyina ophiolites in northern Myanmar. Additionally, palaeobiogeographical analysis of these fusuline faunas from the Lhasa, Tengchong, South Qiangtang, Baoshan and Sibumasu Blocks implies that the Bangong-Nujiang Ocean might have been present before the Midian.

Keywordfusulines Myanmar middle Permian Sibumasu Block Tethys palaeogeography
DOI10.1002/spp2.1298
Indexed BySCI
Language英语
WOS KeywordZIRCON U-PB ; O ISOTOPIC CONSTRAINTS ; WESTERN YUNNAN ; TECTONIC EVOLUTION ; SIBUMASU TERRANE ; NORTHERN TIBET ; BAOSHAN BLOCK ; SURMAQ FORMATION ; MESOZOIC STRATA ; SOUTHEAST-ASIA
Funding ProjectSecond Tibetan Plateau Scientific Expedition and Research[2019QZKK0706] ; National Science Foundation of China[91855205] ; Chinese Academy of Sciences[XDB26000000] ; Chinese Academy of Sciences[XDB18030400] ; Youth Innovation Promotion Association CAS[2016282]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000512342300001
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research ; National Science Foundation of China ; Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/31449
Collection中国科学院南京地质古生物研究所
Corresponding AuthorZhang, Yi-Chun (张以春)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Peoples R China
3.Banmaw Univ, Dept Geol, Mansi, Kachin State, Myanmar
4.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China
5.Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100101, Peoples R China
6.Myanmar Geosci Soc, Yangon, Myanmar
7.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Zhang, Yi-Chun ,Aung, Kyi Pyar,Shen, Shu-Zhong ,et al. MIDDLE PERMIAN FUSULINES FROM THE THITSIPIN FORMATION OF SHAN STATE, MYANMAR AND THEIR PALAEOBIOGEOGRAPHICAL AND PALAEOGEOGRAPHICAL IMPLICATIONS[J]. PAPERS IN PALAEONTOLOGY,2020,6(2):293-327.
APA Zhang, Yi-Chun .,Aung, Kyi Pyar.,Shen, Shu-Zhong .,Zhang, Hua .,Zaw, Than.,...&Sein, Kyaing.(2020).MIDDLE PERMIAN FUSULINES FROM THE THITSIPIN FORMATION OF SHAN STATE, MYANMAR AND THEIR PALAEOBIOGEOGRAPHICAL AND PALAEOGEOGRAPHICAL IMPLICATIONS.PAPERS IN PALAEONTOLOGY,6(2),293-327.
MLA Zhang, Yi-Chun ,et al."MIDDLE PERMIAN FUSULINES FROM THE THITSIPIN FORMATION OF SHAN STATE, MYANMAR AND THEIR PALAEOBIOGEOGRAPHICAL AND PALAEOGEOGRAPHICAL IMPLICATIONS".PAPERS IN PALAEONTOLOGY 6.2(2020):293-327.
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