 Geology of the late Miocene south-eastern Volterra Basin (Northern Apennines, Italy)Alessandro Ielpi and Gianluca Cornamusini Journal of Maps, 2016, vol. 12, issue 1, 12-25 Abstract: We present a 1:10,000 scale geological map for the south-eastern sector of the Volterra Basin (Northern Apennines, Italy), together with supporting stratigraphic-structural data. The Volterra Basin consists of a major structural depression within the Northern Apennines hinterland, NNW-SSE-oriented and filled with more than 2000 m of late Miocene-Quaternary deposits. Its south-eastern sector is classically considered as a type area for late Tortonian non-marine strata, here mapped and refined in terms of internal stratigraphy adopting a scheme of depositional and lithostratigraphic units. Stratigraphic assessments helped in redefining the character of the lower boundary of the non-marine succession, as well as in mapping a newly recognized angular unconformity. Deformation structures affecting the basin fill include blind normal faults rooted to a deep detachment, outcrop-scale transtensional faults and clusters of gentle folds. Faults and folds appear to be kinematically linked. Our structural observations largely agree with those present in the literature, supporting a model of post-orogenic crustal stretching. Date: 2016 Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:taf:tjomxx:v:12:y:2016:i:1:p:12-25 Ordering information: This journal article can be ordered from DOI: 10.1080/17445647.2014.946105 Access Statistics for this article Journal of Maps is currently edited by Dr Mike Smith, Dr Jeremy Porter and Dr Dick Berg More articles in Journal of Maps from Taylor & Francis Journals |
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