Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)

Detailed geological mapping of the Urtier Valley in the Western Alps allowed to realize a new geological map 1:10.000 in scale. In the mapped area, a complete nappe stack of the axial part of the Alpine belt crops out. The study focused on the two units derived from the Piemonte-Ligurian oceanic dom...

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Autores principales:	Andrea Loprieno, Alessandro Ellero
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	piemonte-ligurian units lithostratigraphy structural geology geological mapping western alps Maps G3180-9980
Acceso en línea:	https://doaj.org/article/edf0366b533e4ee3b865514381d80714
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spelling	oai:doaj.org-article:edf0366b533e4ee3b865514381d807142021-11-04T15:00:42ZGeology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)1744-564710.1080/17445647.2021.1986156https://doaj.org/article/edf0366b533e4ee3b865514381d807142021-12-01T00:00:00Zhttp://dx.doi.org/10.1080/17445647.2021.1986156https://doaj.org/toc/1744-5647Detailed geological mapping of the Urtier Valley in the Western Alps allowed to realize a new geological map 1:10.000 in scale. In the mapped area, a complete nappe stack of the axial part of the Alpine belt crops out. The study focused on the two units derived from the Piemonte-Ligurian oceanic domain, Broillot and Bardonney units, for which, in addition to the classic petrographic and structural considerations, a lithostratigraphic approach was applied. The lithostratigraphic approach, combined with structural analysis, led to reconstruct a nappe stacking significantly different from that generally proposed for the Western Alps. In the Urtier Valley in fact, the eclogite facies units are at the top of the nappe pile, overlapped on the blueschist facies units. This anomalous stacking order could be explained by interpreting the study area as an inverted limb of a regional fold with the eclogite facies units at the core.Andrea LoprienoAlessandro ElleroTaylor & Francis Grouparticlepiemonte-ligurian unitslithostratigraphystructural geologygeological mappingwestern alpsMapsG3180-9980ENJournal of Maps, Vol 17, Iss 2, Pp 778-791 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	piemonte-ligurian units lithostratigraphy structural geology geological mapping western alps Maps G3180-9980
spellingShingle	piemonte-ligurian units lithostratigraphy structural geology geological mapping western alps Maps G3180-9980 Andrea Loprieno Alessandro Ellero Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)
description	Detailed geological mapping of the Urtier Valley in the Western Alps allowed to realize a new geological map 1:10.000 in scale. In the mapped area, a complete nappe stack of the axial part of the Alpine belt crops out. The study focused on the two units derived from the Piemonte-Ligurian oceanic domain, Broillot and Bardonney units, for which, in addition to the classic petrographic and structural considerations, a lithostratigraphic approach was applied. The lithostratigraphic approach, combined with structural analysis, led to reconstruct a nappe stacking significantly different from that generally proposed for the Western Alps. In the Urtier Valley in fact, the eclogite facies units are at the top of the nappe pile, overlapped on the blueschist facies units. This anomalous stacking order could be explained by interpreting the study area as an inverted limb of a regional fold with the eclogite facies units at the core.
format	article
author	Andrea Loprieno Alessandro Ellero
author_facet	Andrea Loprieno Alessandro Ellero
author_sort	Andrea Loprieno
title	Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)
title_short	Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)
title_full	Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)
title_fullStr	Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)
title_full_unstemmed	Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)
title_sort	geology of the piemonte-ligurian units of the urtier area (northwestern alps – italy)
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/edf0366b533e4ee3b865514381d80714
work_keys_str_mv	AT andrealoprieno geologyofthepiemonteligurianunitsoftheurtierareanorthwesternalpsitaly AT alessandroellero geologyofthepiemonteligurianunitsoftheurtierareanorthwesternalpsitaly
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Geology of the Piemonte-Ligurian units of the Urtier area (Northwestern Alps – Italy)

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