Indian Journal of Science and Technology
DOI: 10.17485/ijst/2015/v8iS3/60475
Year: 2015, Volume: 8, Issue: Supplementary 3, Pages: 1-7
Original Article
Shahram Habibi Mood1*, Javad Shahraki2 , Mohsen Jami3 , Mohammad Javad Javdan4 and Mahdiyeh Nastooh1
1 Department of Geology, Zahedan Branch, Islamic Azad University, Zahedan – 6361713198, Sistan and Baluchestan, Iran; [email protected]
2 Department of Geology, North Tehran Branch, Islamic Azad University, Tehran – 19585-936, Tehran, Iran; [email protected]
3 Department of Geology, Science and Research Branch, Islamic Azad University, Tehran – 19395-3697, Tehran, Iran; [email protected]
4 Department of Geology, Ferdowsi Branch, Mashhad – 65174, Razavi Khorasan, Iran; [email protected], [email protected]
Lower Permian deposits in the Kalmard block, which are known as Khan Formation, enjoys different characteristics in various outcrops. This formation, from bottom to top, is interpreted to be a group of three formations, namely Chili, Sartakht and Hormoz. It is mainly composed of carbonate rocks, dolomite, sandstones, shale and marl. The Kuh-e-Ahaki section in Chili formation is 87 meters thick. According to lithological and microscopic studies, deposits of Khan Gorup in Kuh-e-Ahaki section are deposited in beach sub-environments, open to semi-restricted lagoon sub-environments, shoal sub-environment and open submarine sub-environment in the rocks of this part of formation, triggering fluctuations in sea level. Vertical changes of microfacies and the curve of its depth change point to the high thickness of the facies of shoal and open marine sub-environments. The rocks of Khan Gorup are deposited in a low-angle homoclinal ramp located in southern Paleotethys Ocean.
Keywords: Chili, Homoclinal, Kalmard, Khan Formation, Kuh-e-Ahaki Section, Paleotethys Ocean, Permian
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