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MIDDLE PERMIAN NON-FUSULINE FORAMINIFERS FROM THE MIDDLE PART OF THE XIALA FORMATION IN XAINZA COUNTY, LHASA BLOCK, TIBET
Zhang, Yi-Chun (张以春)1; Shen, Shu-zhong (沈树忠)1; Zhang, Yu-jie2; Zhu, Tong-xing2; An, Xian-yin2
2016-04-01
Source PublicationJOURNAL OF FORAMINIFERAL RESEARCH
ISSN0096-1191
Volume46Issue:2Pages:99-114
Abstract

A non-fusuline foraminiferal fauna consisting of 20 genera and 27 species was documented from the middle part of the Xiala Formation at the Mujiucuo section of Xainza County, central Tibet. This fauna consists mostly of porcelaneous-walled genera such as Agathammina; Midiella, Hemigordiopsis, Neodiscus, Multidiscus, and a new genus Megacrassispirella Zhang gen. nov. These taxa indicate a Midian (Capitanian) age. The climatic amelioration, triggered by climatic warming after the Late Paleozoic Ice Age or by northern drift of the Lhasa Block, promoted diversification of the non-fusuline foraminifers in the middle part of the Xiala Formation. Warm oceanic currents also played an important role in bringing biota from low latitude areas to the northern Gondwanaland margin through the newly-formed Neotethys Ocean. One new genus, Megacrassispirella gen. nov., with Megacrassispirella xarlashanensis (Wang, 1986) emend. Zhang as type species, and one new species, Agathammina vachardi Zhang sp. nov., are described.

Language英语
WOS KeywordPaleogeographic Implications ; Fauna ; Paleobiogeography ; Gondwana ; Oman ; Area ; Classification ; Reconstruction ; Boundaries ; Australia
Funding ProjectNational Science Foundation of China[41472029] ; National Science Foundation of China[41290260] ; National Science Foundation of China[41420104003] ; China Geological Survey[121 2011121257] ; Chinese Academy of Sciences[XDB03010102] ; Youth Innovation Promotion Association CAS
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000375175700002
Funding OrganizationNational Science Foundation of China ; China Geological Survey ; Chinese Academy of Sciences ; Youth Innovation Promotion Association CAS
PublisherCUSHMAN FOUNDATION FORAMINIFERAL RES
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/12445
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorZhang, Yi-Chun (张以春)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
2.China Geol Survey, Chengdu Ctr, Chengdu 610081, 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 ,Shen, Shu-zhong ,Zhang, Yu-jie,et al. MIDDLE PERMIAN NON-FUSULINE FORAMINIFERS FROM THE MIDDLE PART OF THE XIALA FORMATION IN XAINZA COUNTY, LHASA BLOCK, TIBET[J]. JOURNAL OF FORAMINIFERAL RESEARCH,2016,46(2):99-114.
APA Zhang, Yi-Chun ,Shen, Shu-zhong ,Zhang, Yu-jie,Zhu, Tong-xing,&An, Xian-yin.(2016).MIDDLE PERMIAN NON-FUSULINE FORAMINIFERS FROM THE MIDDLE PART OF THE XIALA FORMATION IN XAINZA COUNTY, LHASA BLOCK, TIBET.JOURNAL OF FORAMINIFERAL RESEARCH,46(2),99-114.
MLA Zhang, Yi-Chun ,et al."MIDDLE PERMIAN NON-FUSULINE FORAMINIFERS FROM THE MIDDLE PART OF THE XIALA FORMATION IN XAINZA COUNTY, LHASA BLOCK, TIBET".JOURNAL OF FORAMINIFERAL RESEARCH 46.2(2016):99-114.
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