Research paperGeochemistry and stratigraphic correlations — Application to the investigation of geothermal and mineral resources of Tuscany, Italy: Contribution to the knowledge of the ore deposits of Tuscany, II☆
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Episodic hydrothermal alteration recorded by microscale oxygen isotope analysis of white mica in the Larderello-Travale Geothermal Field, Italy
2020, Chemical GeologyCitation Excerpt :The metamorphic basement is overlain by a Tectonic Wedges Complex (Fig. 1B), mainly composed of slices of Upper Triassic carbonate and evaporites, Triassic quartzite and phyllite metasiliciclastics (“Verrucano”), and metasediments of the Phyllitic-Quartzitic Complex (Pandeli et al., 2005). Above the Tectonic Wedge Complex are units of the Tuscan Nappe, commonly consisting from bottom to top of Upper Triassic shallow marine carbonate and evaporitic sequences, Jurassic limestone and Cenozoic siliciclastic intervals (Cavarretta et al., 1980; Puxeddu et al., 1984). The cover of the LTGF consists of Upper Jurassic–Eocene Ligurian flysch with minor ophiolite rocks, sub-Ligurian flysch and Neogene lacustrine and marine sediments (Bertini et al., 2006).
Evidence of Permian magmatism in the Alpi Apuane metamorphic complex (Northern Apennines, Italy): New hints for the geological evolution of the basement of the Adria plate
2018, LithosCitation Excerpt :They show a distinct augen texture, with large magmatic phenocrysts of quartz (usually with magmatic embayment) and K-feldspar, in a fine-grained matrix formed by muscovite, quartz, and chlorite (Barberi and Giglia, 1965). Chemical data indicate a rhyolitic/dacitic composition for the volcanic protolith (e.g., Puxeddu et al., 1984). The age of these rocks has long been debated.
Basement provenance revealed by U–Pb detrital zircon ages: A tale of African and European heritage in Tuscany, Italy
2017, LithosCitation Excerpt :The Porphyroids from the Apuan Alps (457 ± 3 Ma) are coeval with the Porphyroids (460 ± 3 Ma) and their erosional products (455–450 Ma) from Elba Island (Sirevaag et al., 2016). These data are in agreement with previous age estimates based on either U–Pb detrital zircon chronological data from Elba Island (Musumeci et al., 2011) or correlations with the mid–late Ordovician magmatic events of Sardinia, dated at 465 ± 1 Ma (Oggiano et al., 2010; Puxeddu et al., 1984). Indeed, a magmatic flare-up took place in the middle Ordovician at the northern margin of Gondwana and has been interpreted as an Andean-type arc.
Seismic slip recorded in tourmaline fault mirrors from Elba Island (Italy)
2016, Journal of Structural Geology
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This investigation was supported by the C.N.R. (Italy) through a “Bilateral Project” and by the C.N.R.S. (France) through the A.T.P. “Formation et distribution des gisements” (Contrat D2842 — “Géochimie du Verrucano supérieur et du Calcare cavernoso. Application à la province métallogénique toscane occidentale”).