Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia
Abstract One hundred and forty‐four published successions of shallow‐water carbonates, deposited between the Palaeocene and the Miocene, from the Levant to the Himalayas, have been re‐analysed using a standardised approach to investigate the distribution of carbonate facies and carbonate‐producing o...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2022-09-01
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| Series: | The Depositional Record |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/dep2.204 |
| _version_ | 1811258630666715136 |
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| author | Giovanni Coletti Lucrezi Commissario Luca Mariani Giulia Bosio Fabien Desbiolles Mara Soldi Or M. Bialik |
| author_facet | Giovanni Coletti Lucrezi Commissario Luca Mariani Giulia Bosio Fabien Desbiolles Mara Soldi Or M. Bialik |
| author_sort | Giovanni Coletti |
| collection | DOAJ |
| description | Abstract One hundred and forty‐four published successions of shallow‐water carbonates, deposited between the Palaeocene and the Miocene, from the Levant to the Himalayas, have been re‐analysed using a standardised approach to investigate the distribution of carbonate facies and carbonate‐producing organisms. Large benthic foraminifera were found to be the volumetrically most important group of carbonate producers during the whole period, with a peak in abundance during the Eocene. Colonial corals are relatively abundant during the Palaeocene and Miocene, their abundance peaks during the Oligocene and has a minimum during the Eocene. Red calcareous algae have a similar pattern although their peak in abundance covers both the Oligocene and Miocene. Green calcareous algae decrease from the Palaeocene onward. Facies related to very shallow and/or restricted marine conditions peak during the Miocene and in particular during the Aquitanian. Both the pattern of large benthic foraminifera and of colonial corals seems to be related to temperature, with warm periods favouring the former group and cool periods the latter group. Red calcareous algae display a pattern similar to that of colonial corals suggesting that the periods favourable for one group are, on a large scale, also favourable for the other. The progressive decrease of green calcareous alga could be tentatively related to a preservation bias connected to the transition from Palaeogene assemblages that included presumably calcitic taxa of green algae to Neogene assemblages entirely constituted by aragonitic taxa with limited preservation potential. The Aquitanian peak in facies related to very shallow and/or restricted marine conditions is most likely connected to the progressive narrowing of the Tethys related to the collision between Arabia and Eurasia. These results denote an overall agreement between the abundance of the various types of shallow‐water carbonate facies and large‐scale environmental and geological processes, highlighting the potential for palaeoenvironmental reconstruction locked in the shallow‐water record. |
| first_indexed | 2024-04-12T18:17:23Z |
| format | Article |
| id | doaj.art-f5e69851e127493aba4c3587720d3741 |
| institution | Directory Open Access Journal |
| issn | 2055-4877 |
| language | English |
| last_indexed | 2024-04-12T18:17:23Z |
| publishDate | 2022-09-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Depositional Record |
| spelling | doaj.art-f5e69851e127493aba4c3587720d37412022-12-22T03:21:35ZengWileyThe Depositional Record2055-48772022-09-01831031105410.1002/dep2.204Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central AsiaGiovanni Coletti0Lucrezi Commissario1Luca Mariani2Giulia Bosio3Fabien Desbiolles4Mara Soldi5Or M. Bialik6Department of Earth and Environmental Sciences University of Milano‐Bicocca Milan ItalyDepartment of Earth and Environmental Sciences University of Milano‐Bicocca Milan ItalyDepartment of Earth and Environmental Sciences University of Milano‐Bicocca Milan ItalyDepartment of Earth and Environmental Sciences University of Milano‐Bicocca Milan ItalyDepartment of Earth and Environmental Sciences University of Milano‐Bicocca Milan ItalyEcopetrol Srl. Rho ItalyMarine Geology & Seafloor Surveying, Department of Geosciences University of Malta Msida MaltaAbstract One hundred and forty‐four published successions of shallow‐water carbonates, deposited between the Palaeocene and the Miocene, from the Levant to the Himalayas, have been re‐analysed using a standardised approach to investigate the distribution of carbonate facies and carbonate‐producing organisms. Large benthic foraminifera were found to be the volumetrically most important group of carbonate producers during the whole period, with a peak in abundance during the Eocene. Colonial corals are relatively abundant during the Palaeocene and Miocene, their abundance peaks during the Oligocene and has a minimum during the Eocene. Red calcareous algae have a similar pattern although their peak in abundance covers both the Oligocene and Miocene. Green calcareous algae decrease from the Palaeocene onward. Facies related to very shallow and/or restricted marine conditions peak during the Miocene and in particular during the Aquitanian. Both the pattern of large benthic foraminifera and of colonial corals seems to be related to temperature, with warm periods favouring the former group and cool periods the latter group. Red calcareous algae display a pattern similar to that of colonial corals suggesting that the periods favourable for one group are, on a large scale, also favourable for the other. The progressive decrease of green calcareous alga could be tentatively related to a preservation bias connected to the transition from Palaeogene assemblages that included presumably calcitic taxa of green algae to Neogene assemblages entirely constituted by aragonitic taxa with limited preservation potential. The Aquitanian peak in facies related to very shallow and/or restricted marine conditions is most likely connected to the progressive narrowing of the Tethys related to the collision between Arabia and Eurasia. These results denote an overall agreement between the abundance of the various types of shallow‐water carbonate facies and large‐scale environmental and geological processes, highlighting the potential for palaeoenvironmental reconstruction locked in the shallow‐water record.https://doi.org/10.1002/dep2.204Asmari Formationcalcareous algaecoralslarge benthic foraminiferaQom Formationreefs |
| spellingShingle | Giovanni Coletti Lucrezi Commissario Luca Mariani Giulia Bosio Fabien Desbiolles Mara Soldi Or M. Bialik Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia The Depositional Record Asmari Formation calcareous algae corals large benthic foraminifera Qom Formation reefs |
| title | Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia |
| title_full | Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia |
| title_fullStr | Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia |
| title_full_unstemmed | Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia |
| title_short | Palaeocene to Miocene southern Tethyan carbonate factories: A meta‐analysis of the successions of South‐western and Western Central Asia |
| title_sort | palaeocene to miocene southern tethyan carbonate factories a meta analysis of the successions of south western and western central asia |
| topic | Asmari Formation calcareous algae corals large benthic foraminifera Qom Formation reefs |
| url | https://doi.org/10.1002/dep2.204 |
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