Extensional deformations during Neogene chain building in Sicily

Nigro, Fabrizio and Salvaggio, Gaetano and Renda, Pietro and Favara, Rocco (2010) Extensional deformations during Neogene chain building in Sicily. Italian journal of geosciences, 129 (2). pp. 195-206. ISSN 2038-1727

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Abstract

In the Madonie-Nebrodi Mts (Northern Sicily belt) both Mesozoic carbonate platform/basin-derived deformed successions and Neogene foredeep deposits outcrop. Thrust sheets piled-up southwards in thin-skin piggy-back sequence. The chain building process began during the Oligo-Miocene. The syntectonic deposits involved in the compressional tectonics give evidence that syn-sedimentary extensional faults developed during fold nucleation and amplification. Syn-sedimentary extensional faults affect the foredeep strata at different stratigraphic levels, which are bounded by unconformities. Normal faults and bedding show constant cut-off relationships and are progressively tilted youngwards as the effect of thrust-related folding. Since their formation, these normal faults have locally interacted with the thrust geometry by means of positive inversion within the older strata and with physically connected to reverse faults crosscutting the succession youngwards

Item Type:	Article
Additional Information:	Abstract anche in italiano
Uncontrolled Keywords:	Syn-sedimentary faults, faulting-folding interaction, positive inversion, Sicily
Subjects:	500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.1 Struttura generale e proprietà della Terra > 551.13 Crosta (Include il magma) > 551.136 Tettonica a zolle (Deriva dei continenti) (Include l'espansione del fondo marino) (Classificare le opere d'insieme sulla Tettonica in 551.8) 500 Scienze naturali e Matematica > 550 Scienze della Terra > 551 Geologia, Idrologia, Meteorologia > 551.8 Geologia strutturale (Classificare qui la deformazione, il diastrofismo, l'epirogenesi, la tettonica) (Classificare la Geomorfologia in 551.41)
Depositing User:	Users 66 not found.
Date Deposited:	31 May 2012 08:55
Last Modified:	31 May 2012 08:55
URI:	http://eprints.bice.rm.cnr.it/id/eprint/3555

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