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This study aims to clarify the rotation history of the Sardinia-South Corsica microplate using paleomagnetic data.

May 8, 2026TectonicsOpen Access

Post‐Eocene 90° CCW Rotation of Sardinia‐South Corsica: Paleomagnetic Evidence From Permian‐Cretaceous Sediments of Nurra (NW Sardinia)

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Randomized trial reveals 90° CCW rotation in Sardinia-South Corsica, suggesting earlier microplate mobility.

This study aims to clarify the rotation history of the Sardinia-South Corsica microplate using paleomagnetic data.
Analyzed paleomagnetism of 38 sites from Permian to Cretaceous sediments in Nurra, NW Sardinia.
Pivotal data includes Lower Triassic to Upper Cretaceous, establishing a rotation timeline.
Correlated sedimentary findings with historical rifting episodes.
Lower Triassic to Upper Cretaceous sediments show ∼90° counterclockwise (CCW) rotation.
Permian data indicates ∼30° clockwise (CW) rotation occurred in the 290–250 Ma window.
Increased post-Eocene CCW rotation implies significant intra-Pangean microplate mobility.

Siravo et al. (2026) studied this question.

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