BF/0013/EN - REGIONAL GEOLOGY
Academic Year 2021/2022
Free text for the University
LUCA GIACOMO COSTAMAGNA (Tit.)
- Teaching style
- Lingua Insegnamento
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Learning a correct methodological approach to regional geology and sedimentology for the reconstruction of sedimentary basins as a guide for the research of the georesources.
Consolidation, practical visualization, and use, through field examples, of the basic sedimentological-stratigraphical principles and of the main geodynamic categories for their use in the field for wide-range reconstructions.
Concrete example of the basic concepts and theoretical processes of geology through the stratigraphic, sedimentological, and structural reconstruction of the geological history of SW Europe and Sardinia in the Mediterranean area.
Knowledge of the great lineaments and units of the geology of the different regions of the globe, focused on SW Europe. More particularly, knowledge of the geological structure and geodynamic evolution of Sardinia in the context of the western Mediterranean and European area. Ability to read European geological maps, with particular regard to the "Geological map of Sardinia" at a scale of 1: 200,000.
Basic Geology classes
Definition of regional geology: reconstructing in the field the great sedimentary basins of the past. Applications, aims and methods of regional geology.
The SW Europe and the Sardinian-Corsican block. The Sardinian-Corsican block as a cornerstone and a fundamental crossroads for the reconstruction of the history of SW Europe. Geological map of Sardinia in 1: 200,000 scale: first approach.
Basic recalls of sedimentology and stratigraphy. Main types of sediments, main depositional environments and their relationships. Stratigraphic principles and Walther's law. The stratigraphic-depositional units.
The great geodynamic-structural concepts. Orogenetic cycles, tectonic phases, tectonofacies, and (tectono)-sedimentary cycles. Wilson cycle.
Cadomian and Caledonian cycles. Cadomian and Caledonian cycles in SW Europe. Cadomian and Caledonian tectonic-sedimentary cycle in Sardinia: the different stratigraphic-depositional units and their paleoenvironmental and paleogeographic significance.
Variscan cycle. Variscan cycle in SW Europe. Variscan tectonic-sedimentary cycle in Sardinia: different stratigraphic units and their paleoenvironmental and paleogeographic significance; different structural units and metamorphic zoneography of the Variscan chain; extensional tectonics, collapse of the Variscan chain.
Permo-carboniferous and Triassic extensional sedimentary basins: tectonics and sedimentation. Post-variscan peneplanation in Sardinia. The Pangea. The Tethys. The different Tethyan oceans during the Late Palaeozoic - Mesozoic period.
Alpine tectonic-sedimentary cycle in Sardinia. History of the extended Iberian Plate and its subdivisions: paleoenvironmental, stratigraphic, and structural connections with the Sardinian-Corsican block. Triassic, Jurassic and Cretaceous carbonate platforms in Sardinia and SW Europe. The Middle Jurassic Eastern Sardinia-Corsica structural high. Palaeogenic sequences in Sardinia. Laramic to pyrenean tectonic phase in Sardinia. Sardinian rift. Oligo-Miocene volcanism. Miocene successions. Relations between the kinematics of the Alpine and Apennine orogeny and the Sardinian-Corsican block. Notes on the Alps and the Apennines. The Campidano graben. Sedimentation and Plio-Quaternary volcanism in Sardinia. Practical use of the 1: 200,000 Sardinia Geological Map.
Field trips in geological key areas of Sardinia.
In-presence lessons and practice classes in the lab on rock samples and on geological maps under the supervision of the teacher or the tutor, directed to the understanding of the terrestrial processes, of their representation on maps, and their space-temporal dimension; field trips lead by the teacher for showing in the field the concepts developed in the class; didactic tools: slides, blackboard, photocopies, didactic collection of rocks.
According to the needs (COVID), the teaching could be done entirely online.
Verification of learning
Learning check during the class. The final evaluation of the advancement will be obtained through an oral/practical exam for verification of the knowledge acquired during the classes. The oral/practical exam consists of some questions for verification of the preparation obtained through the exhaustivity of the answer, the presence of mistakes and/or imprecision, the language property. Samples of rocks and geological maps will be used to check the practical abilities learnt by the students. Vote assigned in thirtieths.
PARK, G. (2014): The making of Europe. Dunedin, 164 pp.
TORSVIK T.H. & COCKS R.M. (2017): Earth History and Palaeogeography. Cambridge, 322 pp.
GASPERI G. (1995): Geologia Regionale. Pitagora Editrice, Bologna, pp. 464.
BALLY A.W., CATALANO R. & OLDOW J.(1985): Elementi di tettonica regionale. Evoluzione dei bacini sedimentari e delle catene montuose. Pitagora Editrice, Bologna, pp.276.
CARMIGNANI L. et al. (2001): Geologia della Sardegna, Note Illustrative della Carta Geologica della Sardegna a scala 1:200.000. Mem. Descr. Carta Geologica d’Italia, Serv. Geol. It., 60, 283 pp., Ist. Poligr. Zecca dello Stato, Roma.
CARMIGNANI L. (Coordinatore) (1996): Carta Geologica della Sardegna (scala 1:200.000). A cura del Servizio Geologico Nazionale, Regione Autonoma Sardegna. Litografia Artistica Cartografica (L.A.C.), Firenze.
CARMIGNANI L. & ROSSI P. (Coordinatori) (2000): Carta Geologica e strutturale della Sardegna e della Corsica (scala 1:500.000). A cura del Servizio Geologico Nazionale, Regione Autonoma della Sardegna, BRGM, Service Géologique National, Collectivité
Teaching material available for the students at the end of the class. Ppts of the slides used during the classes and the lab activities. Collection of rock samples and geological maps.
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