Adria in Mediterranean paleogeography, the origin of the Ionian Sea, and Permo-Triassic configurations of Pangea

Channell, J. E. T.; Muttoni, Giovanni; Kent, Dennis V.

doi:10.1016/j.earscirev.2022.104045

Cited by 15 publications

(15 citation statements)

References 250 publications

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“…This vision is the closest to the original interpretation of Argand [1924]. The recent interpretations of Angrand et al [2020] and Channell et al [2022] (Figure 22) come back to a partly similar interpretation without a wide Mesogean Ocean. The Mesogea is instead already present in Biju-Duval et al [1977a,b] and Dercourt et al [1986], although they keep a continental bridge between Apulia and Africa.…”

Section: Discussion: Future Evolutions Of Plate Models and Geodynamic...supporting

confidence: 69%

“…The debate has been nicely summarized in the recent paper of Channell et al [2022]. The authors of this paper argue in favor of the original model of Channell and Horvath [1976] and review the available data, in favor or against the existence of the Mesogea.…”

Section: Discussion: Future Evolutions Of Plate Models and Geodynamic...mentioning

confidence: 99%

“…The Apulian continent would have been drifted away from African during the early Mesozoic. However, several alternative reconstructions [Argand, 1924, Channell and Horvath, 1976, Channell et al, 2022 show it still attached to Africa and the existence of an intervening oceanic tract, known as Mesogea, is thus still debated.…”

Section: Introductionmentioning

confidence: 99%

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Tethys and Apulia (Adria), 100 years of reconstructions

Jolivet¹

2024

Comptes Rendus. Géoscience

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The lost Tethys Ocean was the favorite topic of Jean Dercourt's research. The Tethys project and his 1986 paper displaying detailed reconstructions in 9 plates from the Triassic to the Present was the beginning of a series of projects organized around large consortia associating scientists from the academic and industrial worlds. The most recent evolutions of these reconstructions show unprecedented images of the evolving geology, including tectonics and paleoenvironments, through time of this complex puzzle. Central to Tethyan tectonics, Apulia, or Adria, has been drawn with different geometries and dimensions from the first concepts by Emile Argand, Kenneth Hsü or John Dewey, to the recent reconstructions by Douwe van Hinsbergen or Paul Angrand. We review here the main reconstructions published since 1924 and the evolution of concepts and methods. We finally discuss the importance of this type of syntheses for understanding large-scale geodynamic processes.

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Section: Discussion: Future Evolutions Of Plate Models and Geodynamic...supporting

confidence: 69%

Section: Discussion: Future Evolutions Of Plate Models and Geodynamic...mentioning

confidence: 99%

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Tethys and Apulia (Adria), 100 years of reconstructions

Jolivet¹

2024

Comptes Rendus. Géoscience

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“…This manuscript has been submitted to Earth-Science Reviews Adria has often been proposed to be part of stable Africa and is rich in paleomagnetic data, which has led several authors to use Adria-derived paleomagnetic data as input for APWP computation (e.g., Muttoni et al, 2013;Kent and Muttoni, 2020;Channell et al, 2022). However, there is unequivocal evidence for rotation in GPS measurements today, and Adria must have experienced both a Neogene rotation during the extension in the Sicily Channel, as well as a Triassic-Jurassic rotation during the opening of the oceanic eastern Mediterranean basin whose ocean floor is preserved in the Ionian Sea today (van Hinsbergen et al, 2020, and references therein).…”

Section: This Manuscript Has Been Submitted To Earth-science Reviewsmentioning

confidence: 99%

“…However, there is unequivocal evidence for rotation in GPS measurements today, and Adria must have experienced both a Neogene rotation during the extension in the Sicily Channel, as well as a Triassic-Jurassic rotation during the opening of the oceanic eastern Mediterranean basin whose ocean floor is preserved in the Ionian Sea today (van Hinsbergen et al, 2020, and references therein). While these rotations of Adria relative to Africa may have been small (5-10° in the reconstruction of van Hinsbergen et al, 2020), the arguments for and against inclusion of Adria are based on the paleomagnetic data itself (Channell et al, 2022;van Hinsbergen et al, 2014), and using this data would thus introduce circular reasoning. Data for Adria are therefore not used in our compilation.…”

Section: This Manuscript Has Been Submitted To Earth-science Reviewsmentioning

confidence: 99%

A global apparent polar wander path for the last 320 Ma calculated from site-level paleomagnetic data

Vaes¹,

Hinsbergen²,

Lagemaat³

et al. 2023

Preprint

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Apparent polar wander paths (APWPs) calculated from paleomagnetic data describe the motion of tectonic plates relative to the Earth’s rotation axis through geological time, providing a quantitative paleogeographic framework for studying the evolution of Earth’s interior, surface, and atmosphere. Previous APWPs were typically calculated from collections of paleomagnetic poles, with each pole computed from collections of paleomagnetic sites, and each site representing a spot reading of the paleomagnetic field. It was recently shown that the choice of how sites are distributed over poles strongly determines the confidence region around APWPs and possibly the APWP itself, and that the number of paleomagnetic data used to compute a single paleomagnetic pole varies widely and is essentially arbitrary. Here, we use a recently proposed method to overcome this problem and provide a new global APWP for the last 320 million years that is calculated from simulated site-level paleomagnetic data instead of from paleopoles, in which spatial and temporal uncertainties of the original datasets are incorporated. We provide an updated global paleomagnetic database scrutinized against quantitative, stringent quality criteria, and use an updated global plate motion model. The new global APWP follows the same trend as the most recent pole-based APWP but has smaller uncertainties. This demonstrates that the first-order geometry of the global APWP is robust and reproducible, indicating that paleomagnetism provides a reliable reference frame as basis for reconstructing, for instance, paleogeography and paleoclimate. Moreover, we find that previously identified peaks in APW rate disappear when calculating the APWP from site-level data and correcting for a temporal bias in the underlying data. Finally, we show that a higher-resolution global APWP frame may be determined for time intervals with high data density, but that this is not yet feasible for the entire 320-0 Ma time span. Future collection of large and well-dated paleomagnetic datasets from stable plate interiors are needed to improve the quality and resolution of the global APWP, which may contribute to solving detailed Earth scientific problems that rely on a paleomagnetic reference frame.

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Kinematic reconstruction of the Alpine Tethys and surrounding Mesozoic rifted margins

Frasca,

Manatschal,

Chenin

2024

Int J Earth Sci (Geol Rundsch)

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In plate kinematic reconstructions, the restoration of rifted margins and their fossil equivalents exposed in orogens remains challenging. Tight fit reconstructions rely on the mapping of margins rift domains, their restoration to their pre-rift crustal thickness, and the removal of the oceanic and exhumed mantle domains. At present-day margins, high-resolution wide-angle seismic imaging allows mapping and measurement of rift domains; however, restoring fossil margins is trickier because they are largely overprinted and partially lost during convergence. Here, we present a new kinematic model for the Mesozoic rifting along the Tethys–Atlantic junction, which relies on two assumptions: (1) the width of the fossil Alpine Tethys rift domains was comparable to that of their present-day analogs, and (2) the necking zones of the former tectonic plates can be mapped, dated and used as kinematic markers. This reproducible workflow allows us, for the first time, to restore the rifted margins of the Alpine Tethys. Our reconstruction shows: (1) a westward propagation of extension through the Ionian, Alpine Tethys and Pyrenean rift systems from the Triassic to the Cretaceous, (2) the segmentation of the Mesozoic Tethyan rifted margins by strike-slip corridors, (3) the opening of an oceanic gateway at 165 Ma as mantle was exhumed along the entire Alpine Tethys and (4) the subdivision of the Mesozoic oceanic domain into compartments that were later consumed during subduction. This new model is supported by published data from the Alps, the Ionian Sea, the Pyrenees and the southern North Atlantic. Graphical abstract

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Adria in Mediterranean paleogeography, the origin of the Ionian Sea, and Permo-Triassic configurations of Pangea

Cited by 15 publications

References 250 publications

Tethys and Apulia (Adria), 100 years of reconstructions

Tethys and Apulia (Adria), 100 years of reconstructions

A global apparent polar wander path for the last 320 Ma calculated from site-level paleomagnetic data

Kinematic reconstruction of the Alpine Tethys and surrounding Mesozoic rifted margins

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