The Rocca Busambra ridge in western Sicily is a shallow to pelagic Meso-Cenozoic carbonate structural unit of the Sicilian fold and thrust belt with a variety of tectono-sedimentary features. Palaeofaults, unconformities (buttress unconformity, onlap, downlap), a network of neptunian dykes with several infilling generations, several large hiatuses, different facies and lateral facies changes, and erosional submarine and subaerial surfaces are observed. Detailed fieldwork and structural analyses have indicated the occurrence of fault planes with different orientations. These data, combined with facies studies and physical-stratigraphy analyses, allow for the distinction of different depositional regions. A lateral change from an open-marine carbonate platform with a stepped fault margin (located in the westernmost sector) to a deeper basinal depositional setting in the east, in the context of an upper slope scalloped margin and base-of-slope systems with talus breccias, is envisaged here. Extensional to transtensional tectonic pulses punctuated the sedimentary evolution during Early Toarcian, Late Jurassic, Early Cretaceous, Late Cretaceous, and Early Miocene times. The collected data show that most fault planes have preserved their original orientations throughout the reactivation processes. The reconstructed Meso-Cenozoic tectono-sedimentary evolution is closely related to the late syn-rift and post-rift tectonic evolution of the Tethyan continental margin.
Basilone, L. (2011). Mesozoic tectono-sedimentary evolution of Rocca Busambra in Western Sicily. In Abstracts, 28th IAS Meeting of Sedimentology, Zaragoza, Spain (Eds. B. Bádenas, M. Aurell and A.M. Alonso-Zarza), pp. 599 (pp.427-427). Zaragozza : INTERNATIONAL ASSOCIATION OF SEDIMENTOLOGISTS.
|Titolo:||Mesozoic tectono-sedimentary evolution of Rocca Busambra in Western Sicily|
|Settore Scientifico Disciplinare:||Settore GEO/02 - Geologia Stratigrafica E Sedimentologica|
|Data di creazione:||2011-07|
|Nome del convegno:||28th IAS Meeting of Sedimentology 2011, Zaragoza, Spain|
|Luogo del convegno:||Spain|
|Anno del convegno:||5—8 July 2011|
|Numero del convegno:||28|
|Data di pubblicazione:||2011|
|Numero di pagine:||1|
|Citazione:||Basilone, L. (2011). Mesozoic tectono-sedimentary evolution of Rocca Busambra in Western Sicily. In Abstracts, 28th IAS Meeting of Sedimentology, Zaragoza, Spain (Eds. B. Bádenas, M. Aurell and A.M. Alonso-Zarza), pp. 599 (pp.427-427). Zaragozza : INTERNATIONAL ASSOCIATION OF SEDIMENTOLOGISTS.|
|Tipologia:||0 - Proceedings (TIPOLOGIA NON ATTIVA)|
|Appare nelle tipologie:||0 - Proceedings (TIPOLOGIA NON ATTIVA)|