The study area is located in the Alpi Apuane (Tuscany, Italy), and extends between N 44° 0′ 49.883′′ –E 10°20′ 23.467′′ (SW corner) and N 44°2′ 53.403′′ –E 10°23′19.175′′ (NE corner). The area shows a pile of tectonic units belonging either to the Apuane metamorphic complex, and Tuscan Nappe, stacked during the Alpine orogeny. The latter is represented by a sedimentary Triassic-Miocene succession, and it is characterized by a large-scale east-dipping monocline, with local excision of stratigraphic terms due to the occurrence of intra-unit low-angle normal faults. The Apuane metamorphic complex is formed by Paleozoic phyllites, post-Variscan magmatic rocks (Fornovolasco Metarhyolite Fm.), and Mesozoic-Tertiary metasedimentary formations. The 1:5000 scale geological map and the cross-sections illustrate the tectonic setting of the Fornovolasco area, resulting from the Tertiary tectono-metamorphic events. In the Fornovolasco area, small Tl-rich pyrite + magnetite ore bodies occur close to the contacts between the Paleozoic basement and the cover metasedimentary formations.

Geology and tectonic setting of the Fornovolasco area, Alpi Apuane (Tuscany, Italy)

Pieruccioni, Diego;Galanti, Yuri;Biagioni, Cristian
;
Molli, Giancarlo
2018

Abstract

The study area is located in the Alpi Apuane (Tuscany, Italy), and extends between N 44° 0′ 49.883′′ –E 10°20′ 23.467′′ (SW corner) and N 44°2′ 53.403′′ –E 10°23′19.175′′ (NE corner). The area shows a pile of tectonic units belonging either to the Apuane metamorphic complex, and Tuscan Nappe, stacked during the Alpine orogeny. The latter is represented by a sedimentary Triassic-Miocene succession, and it is characterized by a large-scale east-dipping monocline, with local excision of stratigraphic terms due to the occurrence of intra-unit low-angle normal faults. The Apuane metamorphic complex is formed by Paleozoic phyllites, post-Variscan magmatic rocks (Fornovolasco Metarhyolite Fm.), and Mesozoic-Tertiary metasedimentary formations. The 1:5000 scale geological map and the cross-sections illustrate the tectonic setting of the Fornovolasco area, resulting from the Tertiary tectono-metamorphic events. In the Fornovolasco area, small Tl-rich pyrite + magnetite ore bodies occur close to the contacts between the Paleozoic basement and the cover metasedimentary formations.
Pieruccioni, Diego; Galanti, Yuri; Biagioni, Cristian; Molli, Giancarlo
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/934812
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