Palynology and paleoenvironmental study of the Kalat Formation in the east of the Kopet – Dagh sedimentary basin

Document Type : Original Research

Authors

1 Department of Geology, Faculty of Basic Sciences, Sciences & Research Branch, Islamic Azad University, Tehran, Iran

2 Department of Geology, University of Tehran, Tehran, Iran

3 Geological survey of Iran, Teheran, Iran

Abstract

The Kopet–Dagh sedimentary basin stretches in northeastern Iran as narrow and long ranges and contains sediments of the Jurassic to recent ages. One of the lithostratigraphic units in this basin is the Kalat Formation with an age of the latest Cretaceous. The Formation is made up of sandy limestones and shales. In order to study the palynology, palynofacies and paleoenvironment of these Formations three sections, Chahchahe, Tange–Neyzar and Padly, were sampled palynologically and the samples were prepared and studied. Some of the samples proved to be rich in dinoflagellates and some 40 species belonging to 29 genera were recorded. Palynofacies studies show that the Formation was deposited in a shallow- open marine environment with moderate to high energy conditions.

Keywords

Geotechnical Geology
Volume 3, Issue 3
Summer and Autumn 2007
Pages 187-200

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