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Paolo Mancinelli, Vittorio Scisciani, Cristina Pauselli, Gérard M. Stampfli, Fabio Speranza, Ivana Vasiljević

Back-arc underplating provided crustal accretion affecting topography and sedimentation in the Adria microplate

Marine and Petroleum Geology

Elsevier Ltd.

2021

Supported by evidence of deep crustal sources for the observed magnetic anomalies in Central Italy and by outcropping gabbros in the Croatian archipelago, we model the observed gravity and magnetic anomalies in the Central Adriatic Sea and surroundings. We suggest that the major magnetic anomalies in the area are related to a wide underplating and propose that this volume represents the first stage of the back-arc Adria continental breakup in Early Permian times. During the Palaeotethys-Adria collision, underplating has controlled topography and palaeogeographic domains resulting in the observed asymmetrical sedimentary evolution since the Triassic across the Adria microplate. Finally, we propose that the Palaeotethys-Adria boundary in the Early Permian was similar to the current Pacific-Okhotsk plate boundary.

Volume 136, February 2022, 105470

136

12

10.1016/j.marpetgeo.2021.105470

0264-8172

"Underplating", "akrecija kore", "Magnetske anomalije", "Jadranska ploča"

"Underplating", "Crustal accretion", "Magnetic anomalies", "Adria plate"

https://doi.org/10.1016/j.marpetgeo.2021.105470

M20

М21

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