BIOSTRATIGRAPHY AND STUDYING THE HYPOTHESIS USES OFRUGOGLOBIGERINA IN APPOINTING THE PALEOSALINITY IN CENTRAL ALBORZ, MAASTRICHTIAN

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

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Journal: GEOSCIENCES Year:2011 | Volume:20 | Issue:80 Page(s): 23-32

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Title

BIOSTRATIGRAPHY AND STUDYING THE HYPOTHESIS USES OFRUGOGLOBIGERINA IN APPOINTING THE PALEOSALINITY IN CENTRAL ALBORZ, MAASTRICHTIAN

Author(s)

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

Keywords

PALEOSALINITYQ2

BIOSTRATIGRAPHYQ2

ECHINOCORYSQ2

RUGOGLOBIGERINAQ2

CENTRAL ALBORZQ3

Abstract

In order to studying salinity and BIOSTRATIGRAPHY in CENTRAL ALBORZ basin, two sections Jorband and Ziarat-kola are sampled and studied Planktonic foraminifera and Echinoids fossil. Studying of foraminifera In Ziarat-Kola section determining three biozone by planktonic foraminifera. 1: Racemiguembelina fructicosa Interval zone, 2: Pseudoguembelina hariaensis Interval zone, 3: Pseudoguembelina palpebra Interval zone.That showing late maastrichtian. As well, at Jorband section assigning three biozone by Planktonic foraminifera 1: Contusotruncana contusa Interval zone, 2: Planoglobulina brazoensis Partial range zone, 3- Racemiguembelina fructicosa Interval zone. That showing maastrichtian.Likewise, in order to determining PALEOSALINITY select two sections at Jorband and Ziarat-Kola. Main object assigning PALEOSALINITY confirm sensitiveRugoglobigerina to changes of salinity. At former section used from excessive changes of ECHINOCORYS and in later one used from ratio of kinds Foraminifera tests (Porcelaneous, Agglutinate and Hyaline). In middle parts of Ziarat-Kola section, percentage of porcelaneous tests was more than basal and upper ones. In middle parts of Jorband section salinity was less than basal and upper ones that examined by abundancy of the genus of ECHINOCORYS. Physiological changes of body in this echinoderm also justify salinity changes throughout Jorband section.According toWhitenella is ancestor of RUGOGLOBIGERINA and also sensitive to salinity, it is possible that RUGOGLOBIGERINA shows characteristic of its ancestor that justify by studying of salinity changes in two section of CENTRAL ALBORZ.

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References

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

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APA: Copy

ASGHARIAN ROSTAMI, M., GHASEMI NEJAD, E., SHAFIEE ARDESTANI, M., & BALMAKI, B.. (2011). BIOSTRATIGRAPHY AND STUDYING THE HYPOTHESIS USES OFRUGOGLOBIGERINA IN APPOINTING THE PALEOSALINITY IN CENTRAL ALBORZ, MAASTRICHTIAN. GEOSCIENCES, 20(80), 23-32. SID. https://sid.ir/paper/31446/en

Vancouver: Copy

ASGHARIAN ROSTAMI M., GHASEMI NEJAD E., SHAFIEE ARDESTANI M., BALMAKI B.. BIOSTRATIGRAPHY AND STUDYING THE HYPOTHESIS USES OFRUGOGLOBIGERINA IN APPOINTING THE PALEOSALINITY IN CENTRAL ALBORZ, MAASTRICHTIAN. GEOSCIENCES[Internet]. 2011;20(80):23-32. Available from: https://sid.ir/paper/31446/en

IEEE: Copy

M. ASGHARIAN ROSTAMI, E. GHASEMI NEJAD, M. SHAFIEE ARDESTANI, and B. BALMAKI, “BIOSTRATIGRAPHY AND STUDYING THE HYPOTHESIS USES OFRUGOGLOBIGERINA IN APPOINTING THE PALEOSALINITY IN CENTRAL ALBORZ, MAASTRICHTIAN,” GEOSCIENCES, vol. 20, no. 80, pp. 23–32, 2011, [Online]. Available: https://sid.ir/paper/31446/en

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