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  The magnetic signature of the Aptian-Albian transition in the Poggio le Guaine (Umbria-Marche Basin, western Neo-Tethys)

Savian, J., Leandro, C., de Mello, R., Giorgioni, M., Frontalini, F., Coccioni, R., Jovane, L., Trindade, R. (2023): The magnetic signature of the Aptian-Albian transition in the Poggio le Guaine (Umbria-Marche Basin, western Neo-Tethys), XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4485

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021913 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021913_1
Genre: Conference Paper

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 Creators:
Savian, Jairo1, Author
Leandro, Carolina1, Author
de Mello, Raquel1, Author
Giorgioni, Martino1, Author
Frontalini, Fabrizio1, Author
Coccioni, Rodolfo1, Author
Jovane, Luigi1, Author
Trindade, Ricardo1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: Aptian-Albian transition record profound changes in the climate and one of the major disturbances in the global carbon cycle during the Cretaceous. The perturbation in the carbon cycle during Aptian-Albian transition is registered by deposition of layers of black-shales, called Oceanic Anoxic Event (OAE) 1b, associated with volcanic episodes of extensively volcanism in the Southern Kerguelen Plateau (SKP). However, the triggering mechanisms and effects for the OAE 1b remain mostly unclear. Sedimentological and paleontological evidences suggest marked changes in the surface water productivity and at the seafloor. In this study, we unravel the environmental magnetism signatures as a proxy for understanding of the Aptian-Albian paleoceanography. The systematic variations in environmental magnetism parameters along the studied record are consistent with increased terrigenous input and increased nutrient supply. Enhanced contribution of terrigenous material can be related with volcanic pulses of the SKP within OAE1b. We demonstrate that environmental magnetic parameters can provide useful proxies for terrigenous input that can help to resolve local vs. global drivers of paleoenvironmental and palaeoceanographic changes.

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Language(s): eng - English
 Dates: 2023-07-112023-07-11
 Publication Status: Finally published
 Pages: -
 Publishing info: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-4485
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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