LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI
Facies succession of the Oligocene terrigenous sequences from a seccar of Piedmont Tertiary Basin (between Ovada and Cassinelle, Alessandria) are here described and their significance discussed. The palaeogeographic evolution of the area results to be controlled by a synsedimentary tectonics. In th...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Milano University Press
2023-05-01
|
| Series: | Rivista Italiana di Paleontologia e Stratigrafia |
| Subjects: | |
| Online Access: | https://riviste.unimi.it/index.php/RIPS/article/view/20168 |
| _version_ | 1827830441382510592 |
|---|---|
| author | ROBERTO FANTONI IVANO LOVATI PIETRO MARIO ROSSI |
| author_facet | ROBERTO FANTONI IVANO LOVATI PIETRO MARIO ROSSI |
| author_sort | ROBERTO FANTONI |
| collection | DOAJ |
| description |
Facies succession of the Oligocene terrigenous sequences from a seccar of Piedmont Tertiary Basin (between Ovada and Cassinelle, Alessandria) are here described and their significance discussed. The palaeogeographic evolution of the area results to be controlled by a synsedimentary tectonics. In the Early Oligocene, a generalised vertical mobility affected the region which, as a consequence, was splitted in some blocks with a differential tectonic behaviour by tensive lineaments; that is testified by a widesprcad continental facies characteristic of a high energy environment (lower pare of "Formazione di Molare"). Successively, ali the area subsided, and the sea transgressed over it (upper part of "Formazione di Molare"). During the Late Oligocene subsidence acted differentially along synsedimentary faults and the deeper portions are individuated; which became location of relatively deep marine deposition ("Marne di Rigoroso"). The intense tectonic activity was responsible for the deposition of large conglomeratic and arenaceous bodies interbedded within the hemipelagic sequences (in the areas with precocious and intense drowning).
|
| first_indexed | 2024-03-12T04:28:19Z |
| format | Article |
| id | doaj.art-e4e51f599fea4037853c106511e93534 |
| institution | Directory Open Access Journal |
| issn | 0035-6883 2039-4942 |
| language | English |
| last_indexed | 2024-03-12T04:28:19Z |
| publishDate | 2023-05-01 |
| publisher | Milano University Press |
| record_format | Article |
| series | Rivista Italiana di Paleontologia e Stratigrafia |
| spelling | doaj.art-e4e51f599fea4037853c106511e935342023-09-03T10:15:27ZengMilano University PressRivista Italiana di Paleontologia e Stratigrafia0035-68832039-49422023-05-01882LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALIROBERTO FANTONIIVANO LOVATIPIETRO MARIO ROSSI Facies succession of the Oligocene terrigenous sequences from a seccar of Piedmont Tertiary Basin (between Ovada and Cassinelle, Alessandria) are here described and their significance discussed. The palaeogeographic evolution of the area results to be controlled by a synsedimentary tectonics. In the Early Oligocene, a generalised vertical mobility affected the region which, as a consequence, was splitted in some blocks with a differential tectonic behaviour by tensive lineaments; that is testified by a widesprcad continental facies characteristic of a high energy environment (lower pare of "Formazione di Molare"). Successively, ali the area subsided, and the sea transgressed over it (upper part of "Formazione di Molare"). During the Late Oligocene subsidence acted differentially along synsedimentary faults and the deeper portions are individuated; which became location of relatively deep marine deposition ("Marne di Rigoroso"). The intense tectonic activity was responsible for the deposition of large conglomeratic and arenaceous bodies interbedded within the hemipelagic sequences (in the areas with precocious and intense drowning). https://riviste.unimi.it/index.php/RIPS/article/view/20168Tectonic and Sedimentation; Oligocene; Piedmont Tertiary Basin (ltaly). |
| spellingShingle | ROBERTO FANTONI IVANO LOVATI PIETRO MARIO ROSSI LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI Rivista Italiana di Paleontologia e Stratigrafia Tectonic and Sedimentation; Oligocene; Piedmont Tertiary Basin (ltaly). |
| title | LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI |
| title_full | LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI |
| title_fullStr | LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI |
| title_full_unstemmed | LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI |
| title_short | LA SUCCESSIONE OLIGOCENICA TRA OVADA E CASSINELLE (ALESSANDRIA) EVOLUZIONE PALEOGEOGRAFICA ED IMPLICAZIONI STRUTTURALI |
| title_sort | la successione oligocenica tra ovada e cassinelle alessandria evoluzione paleogeografica ed implicazioni strutturali |
| topic | Tectonic and Sedimentation; Oligocene; Piedmont Tertiary Basin (ltaly). |
| url | https://riviste.unimi.it/index.php/RIPS/article/view/20168 |
| work_keys_str_mv | AT robertofantoni lasuccessioneoligocenicatraovadaecassinellealessandriaevoluzionepaleogeograficaedimplicazionistrutturali AT ivanolovati lasuccessioneoligocenicatraovadaecassinellealessandriaevoluzionepaleogeograficaedimplicazionistrutturali AT pietromariorossi lasuccessioneoligocenicatraovadaecassinellealessandriaevoluzionepaleogeograficaedimplicazionistrutturali |