Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj
Abstract: The present research studies sedimentary succession of Oligocene Asmari Formation at Tang-e Moshkan stratigraphic section aimed at evaluating lithostratigraphy, biostratigraphy and determining microfacies, microfacies class, sub-environments, and sedimentary environment. The mentioned sect...
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University of Isfahan
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ftdoajarticles:oai:doaj.org/article:a5e1b295e506434c827e196e97ff2eff 2023-05-15T18:00:58+02:00 Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj reza sadeghi khalil forouzandeh Mahin Mohammadi 2015-05-01T00:00:00Z https://doaj.org/article/a5e1b295e506434c827e196e97ff2eff FA per University of Isfahan http://uijs.ui.ac.ir/jssr/browse.php?a_code=A-10-183-1&slc_lang=en&sid=1 https://doaj.org/toc/2008-7888 2008-7888 https://doaj.org/article/a5e1b295e506434c827e196e97ff2eff Journal of Stratigraphy and Sedimentology Researches, Vol 31, Iss 1, Pp 67-90 (2015) Keywords: Folded Zagros Sub-coastal Fars Asmari Formation Litho-biostratigraphy Sedimentary environment Stratigraphy QE640-699 article 2015 ftdoajarticles 2022-12-31T11:57:29Z Abstract: The present research studies sedimentary succession of Oligocene Asmari Formation at Tang-e Moshkan stratigraphic section aimed at evaluating lithostratigraphy, biostratigraphy and determining microfacies, microfacies class, sub-environments, and sedimentary environment. The mentioned section at southern flank of Tamar anticline from of Sub-coastal Fars sub-basin located in folded Zagros. It was selected in boundary of Fars and Kohgiluyeh and Boyer-Ahmad provinces with a Thickness over than 350m consisting of limestone and marly limestone strata. In this section, lower and upper boundaries of Asmari Formation are continuously located over Pabdeh and under Razak Formations as homoclinal ones, respectively. The studied thickness of Pabdeh and Razak Formations are respectively 241m and 9m in this section. Biostratigraphy studies conducted on 195 thin sections resulted in identification of 37 genus and 44 species of bentic foraminifera, 4 genus and 4 species of planktonic foraminifera along with some non-foraminifera, determination of Oligocene (Rupelian - Chattian), and Introduction of two assemblage zones that old to new, respectively: 1- Nummulites vascus - Nummulites fichteli Assemblage Zone 2- Archaias asmaricus / hensoni - Miogypsinoides complanatus Assemblage Zone Results of high resolution field and laboratory of observations and studies were embedded as recognition and classification of 8 microfacies class in 3 lagoon, shoal and open marine sedimentary sub-environments, all deposited on a carbonated platform of a homoclinal ramp. Article in Journal/Newspaper Planktonic foraminifera Directory of Open Access Journals: DOAJ Articles |
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Directory of Open Access Journals: DOAJ Articles |
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Persian |
topic |
Keywords: Folded Zagros Sub-coastal Fars Asmari Formation Litho-biostratigraphy Sedimentary environment Stratigraphy QE640-699 |
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Keywords: Folded Zagros Sub-coastal Fars Asmari Formation Litho-biostratigraphy Sedimentary environment Stratigraphy QE640-699 reza sadeghi khalil forouzandeh Mahin Mohammadi Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
topic_facet |
Keywords: Folded Zagros Sub-coastal Fars Asmari Formation Litho-biostratigraphy Sedimentary environment Stratigraphy QE640-699 |
description |
Abstract: The present research studies sedimentary succession of Oligocene Asmari Formation at Tang-e Moshkan stratigraphic section aimed at evaluating lithostratigraphy, biostratigraphy and determining microfacies, microfacies class, sub-environments, and sedimentary environment. The mentioned section at southern flank of Tamar anticline from of Sub-coastal Fars sub-basin located in folded Zagros. It was selected in boundary of Fars and Kohgiluyeh and Boyer-Ahmad provinces with a Thickness over than 350m consisting of limestone and marly limestone strata. In this section, lower and upper boundaries of Asmari Formation are continuously located over Pabdeh and under Razak Formations as homoclinal ones, respectively. The studied thickness of Pabdeh and Razak Formations are respectively 241m and 9m in this section. Biostratigraphy studies conducted on 195 thin sections resulted in identification of 37 genus and 44 species of bentic foraminifera, 4 genus and 4 species of planktonic foraminifera along with some non-foraminifera, determination of Oligocene (Rupelian - Chattian), and Introduction of two assemblage zones that old to new, respectively: 1- Nummulites vascus - Nummulites fichteli Assemblage Zone 2- Archaias asmaricus / hensoni - Miogypsinoides complanatus Assemblage Zone Results of high resolution field and laboratory of observations and studies were embedded as recognition and classification of 8 microfacies class in 3 lagoon, shoal and open marine sedimentary sub-environments, all deposited on a carbonated platform of a homoclinal ramp. |
format |
Article in Journal/Newspaper |
author |
reza sadeghi khalil forouzandeh Mahin Mohammadi |
author_facet |
reza sadeghi khalil forouzandeh Mahin Mohammadi |
author_sort |
reza sadeghi |
title |
Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
title_short |
Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
title_full |
Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
title_fullStr |
Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
title_full_unstemmed |
Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
title_sort |
stratigraphy and sedimentary environment of asmari formation in moshkan section, south east yasuj |
publisher |
University of Isfahan |
publishDate |
2015 |
url |
https://doaj.org/article/a5e1b295e506434c827e196e97ff2eff |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
Journal of Stratigraphy and Sedimentology Researches, Vol 31, Iss 1, Pp 67-90 (2015) |
op_relation |
http://uijs.ui.ac.ir/jssr/browse.php?a_code=A-10-183-1&slc_lang=en&sid=1 https://doaj.org/toc/2008-7888 2008-7888 https://doaj.org/article/a5e1b295e506434c827e196e97ff2eff |
_version_ |
1766170272697679872 |