FAUNAL TURNOVER ACROSS THE CRETACEOUS/TERTIARY BOUNDARY IN KABIR-KUH, SOUTHWEST OF IRAN

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GHASEMINEZHAD E.; DARVISH ZADEH B.; GHOUR CHAEI SHEMSHAD

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Journal: JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT) Year:2007 | Volume:33 | Issue:1 (SECTION: GEOLOGY) Page(s): 87-99

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Information Journal Paper

Title

FAUNAL TURNOVER ACROSS THE CRETACEOUS/TERTIARY BOUNDARY IN KABIR-KUH, SOUTHWEST OF IRAN

Author(s)

GHASEMINEZHAD E. | DARVISH ZADEH B. | GHOUR CHAEI SHEMSHAD | Issue Writer Certificate

Keywords

FRAMINIFERAQ3

CRETACEOUS-TERTIARY BOUNDARYQ3

TURNOVERQ3

KABIR-KUHQ3

ILAMQ3

IRANQ3

Abstract

In order to determine changes across the K/T boundary and to detect for aminiferal biozones a well preserved section of the Gurpi Formation in north of Kabirkuh, southwest of IRAN was investigated. Maastrichtian biozones of Caron (1985) were all recorded. Moreover, Li & Keller's (1988a) CF 1 to CF4 zones were also recorded. Paleocene layers were divided into two biozones; Parasubbonna pseudobulloides and Parvularugoglobigerina eugu-bina zones based on Toumarkine & Lutherbakher (1985). As the index species for uppermost Maas-trichtian and lower Danian biozones were recorded the sedimentation across the KTB seems to be continuous though research to locate zone PO is still continued. Statistical studies of foraminifera show that 2/3 of the species extinct below and at the KTB and 1/3 remain in the lower Danian. The extinct fauna are of large size and omamented while the survivors are of small size and without omament-ation and cosmopolitan. This indicates that the extinction model was similar to that of type section.

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APA: Copy

GHASEMINEZHAD, E., DARVISH ZADEH, B., & GHOUR CHAEI, SHEMSHAD. (2007). FAUNAL TURNOVER ACROSS THE CRETACEOUS/TERTIARY BOUNDARY IN KABIR-KUH, SOUTHWEST OF IRAN. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), 33(1 (SECTION: GEOLOGY)), 87-99. SID. https://sid.ir/paper/2052/en

Vancouver: Copy

GHASEMINEZHAD E., DARVISH ZADEH B., GHOUR CHAEI SHEMSHAD. FAUNAL TURNOVER ACROSS THE CRETACEOUS/TERTIARY BOUNDARY IN KABIR-KUH, SOUTHWEST OF IRAN. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT)[Internet]. 2007;33(1 (SECTION: GEOLOGY)):87-99. Available from: https://sid.ir/paper/2052/en

IEEE: Copy

E. GHASEMINEZHAD, B. DARVISH ZADEH, and SHEMSHAD GHOUR CHAEI, “FAUNAL TURNOVER ACROSS THE CRETACEOUS/TERTIARY BOUNDARY IN KABIR-KUH, SOUTHWEST OF IRAN,” JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), vol. 33, no. 1 (SECTION: GEOLOGY), pp. 87–99, 2007, [Online]. Available: https://sid.ir/paper/2052/en

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