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:: Volume 11, Issue 43 (2020) ::
joc 2020, 11(43): 1-8 Back to browse issues page
Paleoecology of Neotethys Ocean Calcareous Nannofossils in Baghamshah Formation (Rizu Section)
Azadeh Borbar , Fatemeh Hadavi, Marziyeh Notghi-moghadam, Abbas Ghadri
, Ferdowsi University of Mashhad, , azadeh.bordbar1277@gmail.com
Abstract:   (736 Views)

In this research, paleoecology of Baghmashah Formation in Rizu section based on calcareous nannoplanktons has been investigated. Baghmashah Formation is part of the Mago sedimentary mega sequence in the Tabas block that was located in the northern margin of the Neotethys Ocean in Jurassic-Cretaceous. The Baghmshah Formation in this section with 270m thickness mainly includes the alternation of green marl- shale with thin interlayers of calcareous sandstone. The study of calcareous nannofossils and index species of nannofossil indicates Berriasian- early Huterivian age for the Baghmashah Formation in this section. Investigation of the abundance of calcareous nannofossils in the studied section shows that the sedimentary basin of Baghmashah Formation in Rizu section located in low latitude with warm surface waters, and formation deposited in oligotrophic conditions with shallow environment


Keywords: Paleoecology, Baghamshah, Rizu, Calcareous nannofossils, Neotethys Ocean
Full-Text [PDF 429 kb]   (70 Downloads)    
Type of Study: Applicable | Subject: Marine Geology
Received: 2020/05/17 | Accepted: 2021/04/30 | ePublished: 2020/10/1
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borbar A, hadavi F, notghi-moghadam M, ghadri A. Paleoecology of Neotethys Ocean Calcareous Nannofossils in Baghamshah Formation (Rizu Section). joc. 2020; 11 (43) :1-8
URL: http://joc.inio.ac.ir/article-1-1539-en.html

Volume 11, Issue 43 (2020) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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