New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy)
A sedimentary sequence of fluvial deposits preserved in the Corchia Cave (Alpi Apuane) provides new chronological constraints for the evolution of the cave system and the timing and rate of uplift of this sector of the Alpi Apuane since the late Pliocene. Supported by magnetostratigraphic analysis p...
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MDPI AG
2021-02-01
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| Series: | Geosciences |
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| Online Access: | https://www.mdpi.com/2076-3263/11/2/65 |
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| author | Ilaria Isola Francesco Mazzarini Giancarlo Molli Leonardo Piccini Elena Zanella Giovanni Zanchetta Russell Drysdale John Hellstrom Jon Woodhead Adriano Roncioni Flavio Milazzo Diego Pieruccioni Eleonora Regattieri |
| author_facet | Ilaria Isola Francesco Mazzarini Giancarlo Molli Leonardo Piccini Elena Zanella Giovanni Zanchetta Russell Drysdale John Hellstrom Jon Woodhead Adriano Roncioni Flavio Milazzo Diego Pieruccioni Eleonora Regattieri |
| author_sort | Ilaria Isola |
| collection | DOAJ |
| description | A sedimentary sequence of fluvial deposits preserved in the Corchia Cave (Alpi Apuane) provides new chronological constraints for the evolution of the cave system and the timing and rate of uplift of this sector of the Alpi Apuane since the late Pliocene. Supported by magnetostratigraphic analysis performed on fine-grained fluvial deposits, and by radiometric dating of speleothems, we suggest that the deposition of fluvial sediments occurred between ~1.6–1.2 Ma. This implies that the host volume of rock was already located close to the local base level, adding key information about the recent tectonic evolution of the Alpi Apuane. A few before ~1 Ma, an erosive phase occurred due to the base-level lowering, followed by continuous speleothem deposition since at least 0.97 Ma. From that time, Monte Corchia uplifted at a maximum rate of ~0.5 mm/year, which is consistent with isostatic uplift mainly driven by erosional unloading. The petrographical study of the fluvial deposits highlights the presence of material derived from the erosion of rocks that today are absent in the cave’s catchment area, suggesting a different surface morphology during the Early Pleistocene. This study highlights the potential of cave sediments as archives for reconstructing the uplift history of mountain ranges. |
| first_indexed | 2024-03-09T06:01:47Z |
| format | Article |
| id | doaj.art-ec172e61bc1b414fb53b107451956332 |
| institution | Directory Open Access Journal |
| issn | 2076-3263 |
| language | English |
| last_indexed | 2024-03-09T06:01:47Z |
| publishDate | 2021-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Geosciences |
| spelling | doaj.art-ec172e61bc1b414fb53b1074519563322023-12-03T12:08:52ZengMDPI AGGeosciences2076-32632021-02-011126510.3390/geosciences11020065New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy)Ilaria Isola0Francesco Mazzarini1Giancarlo Molli2Leonardo Piccini3Elena Zanella4Giovanni Zanchetta5Russell Drysdale6John Hellstrom7Jon Woodhead8Adriano Roncioni9Flavio Milazzo10Diego Pieruccioni11Eleonora Regattieri12Istituto Nazionale di Geofisica e Vulcanologia Sezione di Pisa, 56125 Pisa, ItalyIstituto Nazionale di Geofisica e Vulcanologia Sezione di Pisa, 56125 Pisa, ItalyDipartimento di Scienze della Terra, University of Pisa, 56126 Pisa, ItalyDepartment of Earth Science, University of Florence, 50121 Firenze, ItalyDipartimento di Scienze della Terra, University of Torino, 10125 Torino, ItalyDipartimento di Scienze della Terra, University of Pisa, 56126 Pisa, ItalySchool of Geography, The University of Melbourne, 3053 Melbourne, AustraliaSchool of Earth Sciences, The University of Melbourne, 3053 Melbourne, AustraliaSchool of Earth Sciences, The University of Melbourne, 3053 Melbourne, AustraliaGruppo Speleologico Lucchese, 55100 Lucca, ItalyDipartimento di Scienze Chimiche della Vita e della Sostenibilità Ambientale, University of Parma, 43124 Parma, ItalyDipartimento per il Servizio Geologico d’Italia, ISPRA, 00144 Roma, ItalyIstituto Geoscienze e Georisorse CNR, 56127 Pisa, ItalyA sedimentary sequence of fluvial deposits preserved in the Corchia Cave (Alpi Apuane) provides new chronological constraints for the evolution of the cave system and the timing and rate of uplift of this sector of the Alpi Apuane since the late Pliocene. Supported by magnetostratigraphic analysis performed on fine-grained fluvial deposits, and by radiometric dating of speleothems, we suggest that the deposition of fluvial sediments occurred between ~1.6–1.2 Ma. This implies that the host volume of rock was already located close to the local base level, adding key information about the recent tectonic evolution of the Alpi Apuane. A few before ~1 Ma, an erosive phase occurred due to the base-level lowering, followed by continuous speleothem deposition since at least 0.97 Ma. From that time, Monte Corchia uplifted at a maximum rate of ~0.5 mm/year, which is consistent with isostatic uplift mainly driven by erosional unloading. The petrographical study of the fluvial deposits highlights the presence of material derived from the erosion of rocks that today are absent in the cave’s catchment area, suggesting a different surface morphology during the Early Pleistocene. This study highlights the potential of cave sediments as archives for reconstructing the uplift history of mountain ranges.https://www.mdpi.com/2076-3263/11/2/65geochronologykarstmagnetostratigraphyCorchia CaveAlpi Apuane |
| spellingShingle | Ilaria Isola Francesco Mazzarini Giancarlo Molli Leonardo Piccini Elena Zanella Giovanni Zanchetta Russell Drysdale John Hellstrom Jon Woodhead Adriano Roncioni Flavio Milazzo Diego Pieruccioni Eleonora Regattieri New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy) Geosciences geochronology karst magnetostratigraphy Corchia Cave Alpi Apuane |
| title | New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy) |
| title_full | New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy) |
| title_fullStr | New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy) |
| title_full_unstemmed | New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy) |
| title_short | New Chronological Constraints from Hypogean Deposits for Late Pliocene to Recent Morphotectonic History of the Alpi Apuane (NW Tuscany, Italy) |
| title_sort | new chronological constraints from hypogean deposits for late pliocene to recent morphotectonic history of the alpi apuane nw tuscany italy |
| topic | geochronology karst magnetostratigraphy Corchia Cave Alpi Apuane |
| url | https://www.mdpi.com/2076-3263/11/2/65 |
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