Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj
Abstract:Â 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 sec...
Main Authors: | , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | Persian |
Published: |
University of Isfahan
2015
|
Subjects: | |
Online Access: | https://doaj.org/article/91b2722598a34f238db7625f16307379 |
id |
ftdoajarticles:oai:doaj.org/article:91b2722598a34f238db7625f16307379 |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:91b2722598a34f238db7625f16307379 2023-05-15T18:00:58+02:00 Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj khalil forouzandeh reza sadeghi Mahin Mohammadi 2015-04-01T00:00:00Z https://doaj.org/article/91b2722598a34f238db7625f16307379 FA per University of Isfahan http://jssr.ui.ac.ir/article_16835_f1e2e20087efbd45d51673ce4b710593.pdf https://doaj.org/toc/2008-7888 https://doaj.org/toc/2423-8007 2008-7888 2423-8007 https://doaj.org/article/91b2722598a34f238db7625f16307379 Journal of Stratigraphy and Sedimentology Researches, Vol 31, Iss 1, Pp 67-90 (2015) Keywords: Folded Zagros Sub-coastal Fars Litho-biostratigraphy Sub coastal Fars Asmari Formation Litho Biostratigraphy Sedimentary environment Stratigraphy QE640-699 article 2015 ftdoajarticles 2022-12-31T04:54:57Z 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 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
Persian |
topic |
Keywords: Folded Zagros Sub-coastal Fars Litho-biostratigraphy Sub coastal Fars Asmari Formation Litho Biostratigraphy Sedimentary environment Stratigraphy QE640-699 |
spellingShingle |
Keywords: Folded Zagros Sub-coastal Fars Litho-biostratigraphy Sub coastal Fars Asmari Formation Litho Biostratigraphy Sedimentary environment Stratigraphy QE640-699 khalil forouzandeh reza sadeghi Mahin Mohammadi Stratigraphy and Sedimentary environment of Asmari Formation in Moshkan section, South east Yasuj |
topic_facet |
Keywords: Folded Zagros Sub-coastal Fars Litho-biostratigraphy 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 |
khalil forouzandeh reza sadeghi Mahin Mohammadi |
author_facet |
khalil forouzandeh reza sadeghi Mahin Mohammadi |
author_sort |
khalil forouzandeh |
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/91b2722598a34f238db7625f16307379 |
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://jssr.ui.ac.ir/article_16835_f1e2e20087efbd45d51673ce4b710593.pdf https://doaj.org/toc/2008-7888 https://doaj.org/toc/2423-8007 2008-7888 2423-8007 https://doaj.org/article/91b2722598a34f238db7625f16307379 |
_version_ |
1766170267568046080 |