Arid
DOI10.1016/j.jseaes.2017.09.003
Palynology and detrital zircon geochronology of the Carboniferous Fenestella Shale Formation of the Tethyan realm in Kashmir Himalaya: Implications for global correlation and floristic evolution
Agnihotri, Deepa1; Pandita, Sundeep K.2; Tewari, Rajni1; Ram-Awatar3; Linnemann, Ulf4; Pillai, S. Suresh K.1; Joshi, Arun1; Gautam, Saurabh1; Kumar, Kamlesh1
通讯作者Tewari, Rajni
来源期刊JOURNAL OF ASIAN EARTH SCIENCES
ISSN1367-9120
EISSN1878-5786
出版年2018
卷号157页码:348-359
英文摘要

First palynological data, supplemented by detrital zircon U-Pb ages, from the Fenestella Shale Formation near the Gund Village in the Banihal area of Jammu and Kashmir State, India, provide new insights into the floristic evolution of Gondwana during the Late Palaeozoic, especially in India, from where the Carboniferous-Permian macro- and microfloral records are impoverished. We also present a first approach to the palynological correlation of the Carboniferous-Permian palynoassemblages described from the various Gondwana countries. The palynomorphs from the Fenestella Shale Formation are fairly well preserved and diversified and include 11 genera and 18 species. While the trilete spores and striate bisaccate pollen grains are scarce, monosaccate pollen taxa mainly - Parasaccites, PlicatipoUenites and Potonieisporites are dominant. The assemblage is most similar to the Parasaccites korbaensis palynozone of the Lower Gondwana basins of the Indian peninsula and the Stage 2 palynozone of the late Carboniferous of east Australia. Besides, it is comparable with the known Carboniferous assemblages of Pakistan, Yemen and South America; Carboniferous-early Permian assemblages of South Africa and Permian assemblages of Antarctica. The sediment source of the siliciclastic shelf and delta deposits intercalated in the Fenestella Shale Formation is a hinterland in which Precambrian rocks dominantly were exposed and the Th-U ratios of detrital zircons suggest, that most rocks exposed on the erosion level in the hinterland had a felsic composition. The youngest U-Pb zircon age of the investigated fossiliferous strata is 329 +/- 16 Ma (late Visean to early Serpukhovian), providing a maximum age of deposition of the studied succession. Based on the affinities of the palynofloral assemblage and earlier palaeontological records, a warm, temperate and arid climate has been inferred for the Fenestella Shale Formation.


英文关键词Palynology U-Pb zircon age Fenestella Shale Formation Jammu and Kashmir India
类型Article
语种英语
国家India ; Germany
收录类别SCI-E
WOS记录号WOS:000430031000021
WOS关键词SYRINGOTHYRIS LIMESTONE ; PAGANZO BASIN ; TARIJA BASIN ; U-PB ; PALYNOSTRATIGRAPHY ; GONDWANA ; AGE ; BIOSTRATIGRAPHY ; MAINIQUE ; BIOZONE
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210660
作者单位1.Birbal Sahni Inst Palaeosci, 53 Univ Rd, Lucknow 226007, Uttar Pradesh, India;
2.Univ Jammu, Dept Geol, Jammu 180006, India;
3.7-464 A Vikas Nagar, Lucknow 226022, Uttar Pradesh, India;
4.Senckenberg Nat Hist Sammlungen Dresden, Museum Mineral & Geol, Sekt Geochronol, Konigsbrucker Landstr 159, D-01109 Dresden, Germany
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GB/T 7714
Agnihotri, Deepa,Pandita, Sundeep K.,Tewari, Rajni,et al. Palynology and detrital zircon geochronology of the Carboniferous Fenestella Shale Formation of the Tethyan realm in Kashmir Himalaya: Implications for global correlation and floristic evolution[J],2018,157:348-359.
APA Agnihotri, Deepa.,Pandita, Sundeep K..,Tewari, Rajni.,Ram-Awatar.,Linnemann, Ulf.,...&Kumar, Kamlesh.(2018).Palynology and detrital zircon geochronology of the Carboniferous Fenestella Shale Formation of the Tethyan realm in Kashmir Himalaya: Implications for global correlation and floristic evolution.JOURNAL OF ASIAN EARTH SCIENCES,157,348-359.
MLA Agnihotri, Deepa,et al."Palynology and detrital zircon geochronology of the Carboniferous Fenestella Shale Formation of the Tethyan realm in Kashmir Himalaya: Implications for global correlation and floristic evolution".JOURNAL OF ASIAN EARTH SCIENCES 157(2018):348-359.
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