Microbiostratigraphy, microfacies analysis and lateral basin evolution of Lower Cretaceous deposits in the south of Kerman region, SE Iran
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| Format: | Artículo científico |
| Sprache: | en |
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Sociedad Geológica Mexicana, A.C.
2022
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| author | Mohammad Javad Hassani |
| author_facet | Mohammad Javad Hassani |
| contents | Microbiostratigraphy, microfacies analysis and lateral basin evolution of Lower Cretaceous deposits in the south of Kerman region, SE Iran Mohammad Javad Hassani Ciencias de la Tierra CEIM Rayen Kerman basin evolution Lower Cretaceous Detailed microbiostratigraphy and basin evolution of the Lower Cretaceous deposits in the Rayen area, south of Kerman Region, SE Iran are investigated for the first time in two sections. The section no. 1 is 324.6m in thickness and comprises five lithostratigraphic units. The section no. 2 is 218 m in thickness and includes three lithostratigraphic units. The identified fauna and flora include 41 benthic foraminifera and 11 calcareous algae species. The identified assemblage indicates that the marine strata in both sections were deposited during the Barremian to Albian. The microfacies analyses carried out on 22 carbonate and 2 clastic microfacies indicate that the deposits in the section no. 1 were deposited on a homoclinal carbonate ramp, whereas in the section no. 2 they were deposited on a rimmed carbonate shelf. Generally, the Cretaceous deposit in the two studied sections represent different sedimentary models and fossil content indicating different basin evolution histories. The paleogeographic setting of the studied area on the south eastern margin of the Central-East Iranian Microcontinent and the active tectonic history during the Mesozoic suggest that the syndepositional tectonism influenced the basement’s morphology and resulted in changes in the fossil diversity and sedimentary nature of adjacent sedimentary basins. 2022 artículo científico 1405-3322 https://www.redalyc.org/articulo.oa?id=94375432011 https://www.redalyc.org/journal/943/94375432011/ https://www.redalyc.org/journal/943/94375432011/html/ https://www.redalyc.org/journal/943/94375432011/94375432011.epub https://www.redalyc.org/journal/943/94375432011/movil https://doi.org/10.18268/BSGM2022v74n2a240322 en http://www.redalyc.org/revista.oa?id=943 Boletín de la Sociedad Geológica Mexicana application/pdf Sociedad Geológica Mexicana, A.C. Boletín de la Sociedad Geológica Mexicana (México) Num.2 Vol.74 |
| format | Artículo científico |
| id | redalyc_94375432011 |
| institution | Redalyc |
| language | en |
| publishDate | 2022 |
| publisher | Sociedad Geológica Mexicana, A.C. |
| spellingShingle | Microbiostratigraphy, microfacies analysis and lateral basin evolution of Lower Cretaceous deposits in the south of Kerman region, SE Iran Mohammad Javad Hassani Ciencias de la Tierra CEIM Rayen Kerman basin evolution Lower Cretaceous Microbiostratigraphy, microfacies analysis and lateral basin evolution of Lower Cretaceous deposits in the south of Kerman region, SE Iran Mohammad Javad Hassani Ciencias de la Tierra CEIM Rayen Kerman basin evolution Lower Cretaceous Detailed microbiostratigraphy and basin evolution of the Lower Cretaceous deposits in the Rayen area, south of Kerman Region, SE Iran are investigated for the first time in two sections. The section no. 1 is 324.6m in thickness and comprises five lithostratigraphic units. The section no. 2 is 218 m in thickness and includes three lithostratigraphic units. The identified fauna and flora include 41 benthic foraminifera and 11 calcareous algae species. The identified assemblage indicates that the marine strata in both sections were deposited during the Barremian to Albian. The microfacies analyses carried out on 22 carbonate and 2 clastic microfacies indicate that the deposits in the section no. 1 were deposited on a homoclinal carbonate ramp, whereas in the section no. 2 they were deposited on a rimmed carbonate shelf. Generally, the Cretaceous deposit in the two studied sections represent different sedimentary models and fossil content indicating different basin evolution histories. The paleogeographic setting of the studied area on the south eastern margin of the Central-East Iranian Microcontinent and the active tectonic history during the Mesozoic suggest that the syndepositional tectonism influenced the basement’s morphology and resulted in changes in the fossil diversity and sedimentary nature of adjacent sedimentary basins. 2022 artículo científico 1405-3322 https://www.redalyc.org/articulo.oa?id=94375432011 https://www.redalyc.org/journal/943/94375432011/ https://www.redalyc.org/journal/943/94375432011/html/ https://www.redalyc.org/journal/943/94375432011/94375432011.epub https://www.redalyc.org/journal/943/94375432011/movil https://doi.org/10.18268/BSGM2022v74n2a240322 en http://www.redalyc.org/revista.oa?id=943 Boletín de la Sociedad Geológica Mexicana application/pdf Sociedad Geológica Mexicana, A.C. Boletín de la Sociedad Geológica Mexicana (México) Num.2 Vol.74 |
| title | Microbiostratigraphy, microfacies analysis and lateral basin evolution of Lower Cretaceous deposits in the south of Kerman region, SE Iran |
| topic | Ciencias de la Tierra CEIM Rayen Kerman basin evolution Lower Cretaceous |
| url | https://www.redalyc.org/articulo.oa?id=94375432011 https://www.redalyc.org/journal/943/94375432011/ https://www.redalyc.org/journal/943/94375432011/html/ https://www.redalyc.org/journal/943/94375432011/94375432011.epub https://www.redalyc.org/journal/943/94375432011/movil https://doi.org/10.18268/BSGM2022v74n2a240322 |