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Lithostratigraphy and sea level reconstruction of late Santonian-early Paleocene in the Central Alborz, Iran; using foraminifera

Author Affiliations

  • 1Department of Geological Sciences and Engineering, University of Nevada, Reno, NV, USA

Int. Res. J. Earth Sci., Volume 6, Issue (9), Pages 1-8, September,25 (2018)

Abstract

Late Santonian-early Paleocene sediments have been investigated at the Galanderud section, northern Iran to identify the lithostratigraphy and sea level reconstruction in this section. This section mainly consists of green and gray marl and limestones, and the base of the section overlies the Turonian sediments, and Miocene sandstone overlies the Paleocene sediments in the top of the section with a huge gap of erosional unconformably. We applied a multi-proxy research by using plankton and benthic foraminifera assemblages to monitor the sea level changes during these time period. Based on our data, five zones have been recognized indicating outer neritic-upper bathyal paleodepth for this section and fluctuation of sea level during late Santonian-early Paleocene age.

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