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|Title:||Iostratigraphy and paleoecology gurpi formation in SW Zagros, Iran|
Moghaddam, Iraj Maghfouri
|Keywords:||Microbiostratigraphy;Planktonic Foraminifera;Gurpi Formation;Lorestan Basin;Iran|
|Abstract:||The formation consists of marl with intercalation of limy marl with two formal members of Lopha and Emam-Hasan. Seymareh Member is made up of Limestone and Emam-Hasan Member is of marl and limestone. Eight bio stratigraphical zones were defined as a result of summarizing of the available data on the taxonomy, stratigraphical range and occurrence of the Gurpi Formation. A depth of over 500 -650 m was assigned for most parts of the formation according to planktonic/planktonic+morphotype3 ratio and the regression equation (D = e (3.58718 + (0.03534 × %P)). Study of depth indices benthic in foraminifera also confirms the depth gained by the regression equation. Relative sea-level curve resulted from this study is well in accordance with the existing eustasy curves indicating the great effect of eustasy on relative sea-level changes against the other factors.|
|ISSN:||0975-1033 (Online); 0379-5136 (Print)|
|Appears in Collections:||IJMS Vol.47(12) [December 2018]|
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