NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES
The Umbria-Marche Apennines is an arcuate fold and thrust belt, built up during Upper Miocene-Pliocene. Folds and thrusts affect at the surface the sedimentary cover. The AA. examine the innermost ridge in the sector between M. Nerone to the north and M. Serano to the south. lt is made up of a dext...
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| Format: | Article |
| Language: | English |
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Milano University Press
2017-08-01
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| Series: | Rivista Italiana di Paleontologia e Stratigrafia |
| Subjects: | |
| Online Access: | https://riviste.unimi.it/index.php/RIPS/article/view/9040 |
| _version_ | 1827845508787339264 |
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| author | FERNANDO CALAMITA GIOVANNI DEIANA ALBERTO PIZZI |
| author_facet | FERNANDO CALAMITA GIOVANNI DEIANA ALBERTO PIZZI |
| author_sort | FERNANDO CALAMITA |
| collection | DOAJ |
| description | The Umbria-Marche Apennines is an arcuate fold and thrust belt, built up during Upper Miocene-Pliocene. Folds and thrusts affect at the surface the sedimentary cover. The AA. examine the innermost ridge in the sector between M. Nerone to the north and M. Serano to the south. lt is made up of a dextral en-échelon set of periclines, whose axial trend is NW-SE to the north and N-S (sometimes NNE-SSW) to the south. The en-échelon set of periclines is externally enveloped by a thrust, bent in piane view.
As the basis of the Neogene evolution of the examined structure, the AA. propose two deformation episodes. In the first the development of frontal and oblique blind thrusts (affecting only the Calcare massiccio and Anidriti di Burano formations) are responsible for macrofolds and for their planimetrie distribution. The second one is due to NE thrusting along a thrust which probably reactivates the blind thrusts. In this moment of thrust the en-échelon set of periclines constitutes the hanging-wall of the thrust. |
| first_indexed | 2024-03-12T08:58:23Z |
| format | Article |
| id | doaj.art-042ac88efab24f77abddb6a4c205d09e |
| institution | Directory Open Access Journal |
| issn | 0035-6883 2039-4942 |
| language | English |
| last_indexed | 2024-03-12T08:58:23Z |
| publishDate | 2017-08-01 |
| publisher | Milano University Press |
| record_format | Article |
| series | Rivista Italiana di Paleontologia e Stratigrafia |
| spelling | doaj.art-042ac88efab24f77abddb6a4c205d09e2023-09-02T15:48:41ZengMilano University PressRivista Italiana di Paleontologia e Stratigrafia0035-68832039-49422017-08-01962-310.13130/2039-4942/90407773NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINESFERNANDO CALAMITAGIOVANNI DEIANAALBERTO PIZZIThe Umbria-Marche Apennines is an arcuate fold and thrust belt, built up during Upper Miocene-Pliocene. Folds and thrusts affect at the surface the sedimentary cover. The AA. examine the innermost ridge in the sector between M. Nerone to the north and M. Serano to the south. lt is made up of a dextral en-échelon set of periclines, whose axial trend is NW-SE to the north and N-S (sometimes NNE-SSW) to the south. The en-échelon set of periclines is externally enveloped by a thrust, bent in piane view. As the basis of the Neogene evolution of the examined structure, the AA. propose two deformation episodes. In the first the development of frontal and oblique blind thrusts (affecting only the Calcare massiccio and Anidriti di Burano formations) are responsible for macrofolds and for their planimetrie distribution. The second one is due to NE thrusting along a thrust which probably reactivates the blind thrusts. In this moment of thrust the en-échelon set of periclines constitutes the hanging-wall of the thrust.https://riviste.unimi.it/index.php/RIPS/article/view/9040Umbria-Marche ApenninesStructural GeologyArcuate structure evolution. |
| spellingShingle | FERNANDO CALAMITA GIOVANNI DEIANA ALBERTO PIZZI NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES Rivista Italiana di Paleontologia e Stratigrafia Umbria-Marche Apennines Structural Geology Arcuate structure evolution. |
| title | NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES |
| title_full | NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES |
| title_fullStr | NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES |
| title_full_unstemmed | NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES |
| title_short | NEOGENE EVOLUTION OF AN ARCUATE STRUCTURE IN THE UMBRIA-MARCHE APENNINES |
| title_sort | neogene evolution of an arcuate structure in the umbria marche apennines |
| topic | Umbria-Marche Apennines Structural Geology Arcuate structure evolution. |
| url | https://riviste.unimi.it/index.php/RIPS/article/view/9040 |
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