Continental collision history from arenites of episutural basins in the Northern Apennines, Italy

Abstract

Research Article| January 01, 2001 Continental collision history from arenites of episutural basins in the Northern Apennines, Italy U. Cibin; U. Cibin 1Ufficio Geologico, Servizio Cartografico e Geologico, Regione Emilia Romagna, Viale Silvani 3/4, Bologna, Italy Search for other works by this author on: GSW Google Scholar E. Spadafora; E. Spadafora 2ENI-S.p.A.-Agip DIVISION, Via Fabiani 1, 20097 S. Donato Milanese, Milano, Italy Search for other works by this author on: GSW Google Scholar G.G. Zuffa; G.G. Zuffa 3Dipartimento di Scienze della Terra e Geologico-Ambientali, Università di Bologna, Via Zamboni 67, 40127, Bologna, Italy Search for other works by this author on: GSW Google Scholar A. Castellarin A. Castellarin 3Dipartimento di Scienze della Terra e Geologico-Ambientali, Università di Bologna, Via Zamboni 67, 40127, Bologna, Italy Search for other works by this author on: GSW Google Scholar Author and Article Information U. Cibin 1Ufficio Geologico, Servizio Cartografico e Geologico, Regione Emilia Romagna, Viale Silvani 3/4, Bologna, Italy E. Spadafora 2ENI-S.p.A.-Agip DIVISION, Via Fabiani 1, 20097 S. Donato Milanese, Milano, Italy G.G. Zuffa 3Dipartimento di Scienze della Terra e Geologico-Ambientali, Università di Bologna, Via Zamboni 67, 40127, Bologna, Italy A. Castellarin 3Dipartimento di Scienze della Terra e Geologico-Ambientali, Università di Bologna, Via Zamboni 67, 40127, Bologna, Italy Publisher: Geological Society of America Received: 31 Dec 1998 Revision Received: 28 Jul 1999 Accepted: 21 Jan 2000 First Online: 01 Jun 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (2001) 113 (1): 4–19. https://doi.org/10.1130/0016-7606(2001)113<0004:CCHFAO>2.0.CO;2 Article history Received: 31 Dec 1998 Revision Received: 28 Jul 1999 Accepted: 21 Jan 2000 First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation U. Cibin, E. Spadafora, G.G. Zuffa, A. Castellarin; Continental collision history from arenites of episutural basins in the Northern Apennines, Italy. GSA Bulletin 2001;; 113 (1): 4–19. doi: https://doi.org/10.1130/0016-7606(2001)113<0004:CCHFAO>2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Integration of sandstone petrography, sedimentology, stratigraphy, and structural and paleogeographic restorations of clastic sediments deposited in episutural basins has allowed us to unravel the collisional history of the Northern Apennines from middle Eocene to Holocene time, as illustrated in seven paleogeographic maps. The episutural successions were deposited in two types of basins.1. Late Eocene–early Oligocene basins perched on deformed Ligurian units (ophiolites and their sedimentary cover) of the southwestern side of the Alps (i.e., part of the future northern Apennine accretionary wedge). In these basins, provenance evolved from an extrawedge north-to-south supply from the Austroalpine (Adriatic) continental block to an intrawedge supply with progressive unroofing of the collisional tectonic stack composed of Ligurian units plus minor high-pressure–low-temperature metamorphic units (Pennidic units). These basins developed after the middle Eocene continental collision between the Adriatic margin and the southern European margin, a period dominated by magmatism, uplift, and block faulting of the Pennidic-Ligurian orogen.2. Late Oligocene–Holocene basins formed on top of the migrating Apenninic orogenic wedge, which was progressively thrust onto the Adriatic margin, where thick, turbiditic successions were being deposited on the foreland. Sandstone composition is characterized by an overall increase in detritus from Pennidic units both up-section and from south to north and by detritus recycled from older sedimentary units and their Ligurian substratum. These basins developed during continental subduction of the Adriatic plate toward the west underneath the Corsica-Sardinia block coupled with extension in the future western Mediterranean area.Sedimentation patterns indicate that paleobathymetry and source rocks were markedly different north and south of the Val Secchia line, a structural lineament that does not correspond to a present-day observable structure across the Apennines. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.