Facies analysis and sedimentary environments of Sachun Formation in Kuh-e-Siah section, southeast of Sarvestan (Fars Province)
Publish place: Journal of Geotechnical Geology، Vol: 3، Issue: 3
Publish Year: 1386
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JGEO-3-3_006
تاریخ نمایه سازی: 30 آبان 1400
Abstract:
The Sachun Formation in the Sarvestan section (۴۷۲ meters) is sandwiched between the Tarbur and Jahrom Formations. Its upper contact with the overlying Jahrom Formation is conformable, but its lower boundary with the underlying Tarbur Formation is unconformable. The formation consists mainly of evaporite, shale/marl and carbonates that are arranged into a number of shallowing upward cycles. Facies of the Sachun Formation were deposited in ۴ facies belts (supratidal, intertidal, lagoon and barrier facies belts) related to a ramp platform. The Sachun Formation was deposited during a sea level low stand that occurred after Laramid Orogeny. Therefore, in contrast to previous beliefs, its deposition started in Early Paleocene times.
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Authors
Yagob Lasemi
Department of Geology, Rajaie Teacher Training University, Tehran, Iran
Masih Afghah
Department of Geology, Faculty of Science, Islamic Azad University - Shiraz Branch, Shiraz, Iran
Solmaz Arzaghi
Department of Geology, Faculty of Basic Sciences, Sciences & Research Branch, Islamic Azad University, Tehran, Iran