The De Stefani collection represents a very important historical, museological and scientific heritage of the Natural History Museum of Florence. The collection Counts approximately 1.000 specimens (total samples: 10 12, for a total number of specimens: 982) of a fossil macroflora. collected by Carlo De Stefani at the end of the 19(th) century in the Upper Paleozoic, graphite-rich metapelites and metasandstones of the San Lorenzo Schists Formation in the Pisani Mountains. The fossil species together with the geology and stratigraphy of this area of Tuscany, are described in the monograph "Flore carbonifere e permiane della Toscana,,. The San Lorenzo Schists Formation as a whole, was referred by previous authors to a fluvial-lacustrine environment. The museological reorganisation and a general overview of this collection is the first stage of a project aimed at carrying Out a detailed stratigrapic and paleoenvironmental study. A new 1:10.000 scale geological survey of the San Lorenzo Schists in the Valle del Guappero type-area (see enclosed geological map) has been accomplished, during which the classical fossil localities were precisely positioned on the map; new localities characterized by the occurrence of marine fossils were also found. Many of the correspondent specimens figured in De Stefani's monograph have been found in the collection (i.e. n degrees 51 specimens/85 figures). The results of our studies indicate a relevant taxonomic diversity, mostly among ferns and sphenophytes, and point to an intertropical humid climate. These preliminary data improve the knowledge of the paleoenvironmental scenario of Tuscany during the Late Carboniferous.

The Carboniferous-Permian succession of the Pisani Mountains (Tuscany, Italy): preliminary data from the De Stefani collection (Natural History Museum of Florence) / V. LANDI DEGL’INNOCENTI; E. PANDELI; M. MARIOTTI LIPPI; E. CIOPPI. - In: BOLLETTINO DELLA SOCIETÀ GEOLOGICA ITALIANA. - ISSN 0037-8763. - STAMPA. - 127:(2008), pp. 545-558.

The Carboniferous-Permian succession of the Pisani Mountains (Tuscany, Italy): preliminary data from the De Stefani collection (Natural History Museum of Florence)

PANDELI, ENRICO;MARIOTTI, MARTA;
2008

Abstract

The De Stefani collection represents a very important historical, museological and scientific heritage of the Natural History Museum of Florence. The collection Counts approximately 1.000 specimens (total samples: 10 12, for a total number of specimens: 982) of a fossil macroflora. collected by Carlo De Stefani at the end of the 19(th) century in the Upper Paleozoic, graphite-rich metapelites and metasandstones of the San Lorenzo Schists Formation in the Pisani Mountains. The fossil species together with the geology and stratigraphy of this area of Tuscany, are described in the monograph "Flore carbonifere e permiane della Toscana,,. The San Lorenzo Schists Formation as a whole, was referred by previous authors to a fluvial-lacustrine environment. The museological reorganisation and a general overview of this collection is the first stage of a project aimed at carrying Out a detailed stratigrapic and paleoenvironmental study. A new 1:10.000 scale geological survey of the San Lorenzo Schists in the Valle del Guappero type-area (see enclosed geological map) has been accomplished, during which the classical fossil localities were precisely positioned on the map; new localities characterized by the occurrence of marine fossils were also found. Many of the correspondent specimens figured in De Stefani's monograph have been found in the collection (i.e. n degrees 51 specimens/85 figures). The results of our studies indicate a relevant taxonomic diversity, mostly among ferns and sphenophytes, and point to an intertropical humid climate. These preliminary data improve the knowledge of the paleoenvironmental scenario of Tuscany during the Late Carboniferous.
127
545
558
V. LANDI DEGL’INNOCENTI; E. PANDELI; M. MARIOTTI LIPPI; E. CIOPPI
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2158/369129
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