PALAEOBATHYMETRY OF THE ZIARAT-KOLA SECTION AT THE UPPER MAASTRICHTIAN, CENTRAL ALBORZ, THROUGH PLANKTONIC AND BENTHIC FORAMINIFERA

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ASGHARIAN ROSTAMI M.; GHASEMI NEJAD E.; SHAFIEE ARDESTANI M.

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Journal: GEOSCIENCES Year:2011 | Volume:20 | Issue:78 Page(s): 27-34

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Title

PALAEOBATHYMETRY OF THE ZIARAT-KOLA SECTION AT THE UPPER MAASTRICHTIAN, CENTRAL ALBORZ, THROUGH PLANKTONIC AND BENTHIC FORAMINIFERA

Author(s)

ASGHARIAN ROSTAMI M. | GHASEMI NEJAD E. | SHAFIEE ARDESTANI M. | Issue Writer Certificate

Keywords

PALAEOBATHYMETRYQ3

ZIARATQ3

KOLA SECTIONQ2

CENTRAL ALBORZQ3

LATE MAASTRICHTIANQ2

FORAMINIFERAQ3

SEA LEVEL CHANGEQ3

Abstract

At this research are studied late cretaceous sediments at ZIARAT-kola section, CENTRAL ALBORZ, in order to PALAEOBATHYMETRY and SEA LEVEL CHANGE. These sediments are with about 200m thickness consist of monotonous Marl and limy marl. Based on Planktonic FORAMINIFERA gain Upper Maastrichtian stage (Abathomphalus mayaroensis zone). In order to PALAEOBATHYMETRY and SEA LEVEL CHANGE used to three methods common consisting of morphotype Planktonic FORAMINIFERA, ratio Planktonic FORAMINIFERA to benthic FORAMINIFERA and assigning genus and benthic FORAMINIFERA species. With morphotype analysis was indicated that third morphotype which are more deep index increase at the initial part and first morphotype that are shallow index increasing at middle section. In this manner, depth change was examinated to use two genus, Globotruncana (deep dweller) and Pseudoguembelina (Mixed layer dweller). In orther to assign paleodepth at this area used to Planktonic FORAMINIFERA to total FORAMINIFERA minus infaunal Benthic FORAMINIFERA and the regression equation [Depth = e (3. 58718 + (0. 03534 × % *p)]. examination genus and Benthic FORAMINIFERA species depth index and such results gain at above method were indicating that this sediments in upper bathyal and middle bathyal. Thus, results indicate that beginning and end of are deeper from middle section.

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APA: Copy

ASGHARIAN ROSTAMI, M., GHASEMI NEJAD, E., & SHAFIEE ARDESTANI, M.. (2011). PALAEOBATHYMETRY OF THE ZIARAT-KOLA SECTION AT THE UPPER MAASTRICHTIAN, CENTRAL ALBORZ, THROUGH PLANKTONIC AND BENTHIC FORAMINIFERA. GEOSCIENCES, 20(78), 27-34. SID. https://sid.ir/paper/31996/en

Vancouver: Copy

ASGHARIAN ROSTAMI M., GHASEMI NEJAD E., SHAFIEE ARDESTANI M.. PALAEOBATHYMETRY OF THE ZIARAT-KOLA SECTION AT THE UPPER MAASTRICHTIAN, CENTRAL ALBORZ, THROUGH PLANKTONIC AND BENTHIC FORAMINIFERA. GEOSCIENCES[Internet]. 2011;20(78):27-34. Available from: https://sid.ir/paper/31996/en

IEEE: Copy

M. ASGHARIAN ROSTAMI, E. GHASEMI NEJAD, and M. SHAFIEE ARDESTANI, “PALAEOBATHYMETRY OF THE ZIARAT-KOLA SECTION AT THE UPPER MAASTRICHTIAN, CENTRAL ALBORZ, THROUGH PLANKTONIC AND BENTHIC FORAMINIFERA,” GEOSCIENCES, vol. 20, no. 78, pp. 27–34, 2011, [Online]. Available: https://sid.ir/paper/31996/en

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