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New Data on the Geological Structure of the Eastern Flank of the Charlie Gibbs Fracture Zone (North Atlantic)

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Abstract

The geological structure of a large volcanic edifice in the eastern flank of the large Charlie Gibbs Fracture Zone in the region of the Eastern Thule submarine rise (North Atlantic) is discussed. It is shown that the volcanic edifice was formed near the axial zone of the Mid-Atlantic Ridge in the interval of 64–67 Ma ago. Subsequently, its summit part was destroyed by wave abrasion, and then it sank along with the oceanic part of the plate to 2500 m deep. It was concluded that volcanism in the Rockall Rift Basin affected the region further to the south, which was already an oceanic basin and was separated from the rift basin with the Charlie Gibbs Fracture Zone.

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Funding

This study was carried out at the Geological Institute, Russian Academy of Sciences, and was supported by the Russian Science Foundation, project no. 22-27-00036.

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Correspondence to S. G. Skolotnev.

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The authors declare that they have no conflicts of interest.

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Translated by N. Astafiev

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Skolotnev, S.G., Peyve, A.A., Ivanenko, A.N. et al. New Data on the Geological Structure of the Eastern Flank of the Charlie Gibbs Fracture Zone (North Atlantic). Dokl. Earth Sc. 504, 333–337 (2022). https://doi.org/10.1134/S1028334X22060149

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  • DOI: https://doi.org/10.1134/S1028334X22060149

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