Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/11558
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dc.date.accessioned2018-03-28T10:47:35Zen
dc.date.available2018-03-28T10:47:35Zen
dc.date.issued2016-07-25en
dc.identifier.urihttp://hdl.handle.net/2122/11558en
dc.description.abstractThis work focuses on two fault-controlled deposits, the Atella and Rapolla travertines, which are associated with high-angle extensional faults of the Bradano Trough, southern Apennines (Italy). The Atella travertine is along a NW-SE striking, deep-seated extensional fault, already described in literature, which crosscuts both Apulian carbonates and the overlying foredeep basin infill. The Rapolla travertine is on top of a NE-SW striking, shallow-seated fault, here described for the first time, which is interpreted as a tear fault associated with a shallow thrust displacing only the foredeep basin infill. The results of structural, sedimentological, mineralogical, and C and O isotope analyses are here reported and discussed to assess the provenance of mineralizing fluids, and to evaluate the control exerted by the aforementioned extensional faults on deep, mantle-derived and shallow, meteoric fluids. Sedimentological analysis is consistent with five lithofacies in the studied travertines, which likely formed in a typical lacustrine depositional environment. Mineralogical analysis show that travertines mainly consist of calcite, and minor quartz, feldspar and clay minerals, indicative of a terrigenous supply during travertine precipitation. The isotope signature of the two studied travertines shows different provenance for the mineralizing fluids. At the Atella site, the δ13CPDB values range between + 5.2 and + 5.7‰ and the δ18OPDB values between − 9.0 and − 7.3‰, which are consistent with a mantle-derived CO2 component in the fluid. In contrast, at the Rapolla site the δ13CPDB values vary from − 2.7 to + 1.5‰ and the δ18OPDB values from − 6.8 to − 5.4‰, suggesting a mixed CO2 source with both biogenic-derived and mantle-derived fluids. The results of structural analyses conducted along the footwall damage zone of the fault exposed at the Rapolla site, show that the whole damage zone, in which fractures and joints likely channeled the mixed fluids, acted as a distributed conduit for both fault-parallel and cross-fault fluid migration.en
dc.language.isoEnglishen
dc.relation.ispartofTectonophysicsen
dc.relation.ispartofseries/690 (2016)en
dc.titleContrasting fault fluids along high-angle faults: a case study from Southern Apennines (Italy)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber206-218en
dc.identifier.URLhttps://www.sciencedirect.com/science/article/pii/S004019511630292X?via%3Dihuben
dc.identifier.doi10.1016/j.tecto.2016.07.023en
dc.description.obiettivoSpecifico2TR. Ricostruzione e modellazione della struttura crostaleen
dc.description.journalTypeJCR Journalen
dc.contributor.authorSinisi, Rosaen
dc.contributor.authorPetrullo, Angela Vitaen
dc.contributor.authorAgosta, Fabrizioen
dc.contributor.authorPaternoster, Micheleen
dc.contributor.authorBelviso, Claudiaen
dc.contributor.authorGrassa, Faustoen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italiaen
item.grantfulltextrestricted-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypearticle-
item.languageiso639-1en-
item.cerifentitytypePublications-
crisitem.author.deptDepartment of Sciences, University of Basilicata, Viale dell'Ateneo Lucano 10, 85100 Potenza, Italy-
crisitem.author.deptUniversità della Basilicata, Potenza, Italy-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.orcid0000-0003-4439-3419-
crisitem.author.orcid0000-0003-0855-668X-
crisitem.author.orcid0000-0001-9930-7448-
crisitem.author.orcid0000-0001-5043-792X-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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