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LE PIETRE DELL’EDILIZIA MEDIEVALE PISANA E LUCCHESE (TOSCANA OCCIDENTALE). 5 - LA MAIOLICA ED IL NUMMULITICO DELLA BASSA VALLE DEL FIUME SERCHIO

Authors: FRANZINI, MARCO; GIONCADA, ANNA; LEZZERINI, MARCO;

LE PIETRE DELL’EDILIZIA MEDIEVALE PISANA E LUCCHESE (TOSCANA OCCIDENTALE). 5 - LA MAIOLICA ED IL NUMMULITICO DELLA BASSA VALLE DEL FIUME SERCHIO

Abstract

Le rocce delle formazioni della Maiolica e del Nummulitico, appartenenti alla Successione Toscana non metamorfica, sono state ampiamente utilizzate in epoca medievale per la costruzione delle chiese della bassa valle del fiume Serchio, nella zona compresa tra Borgo a Mozzano e Ponte a Moriano. In questo lavoro viene fornita una descrizione mineralogica e petrografica delle diverse varietà di rocce impiegate, ne vengono definite le principali proprietà fisiche e formulate ipotesi sulla loro provenienza. Nell’area in studio, le Formazioni della Maiolica e del Nummulitico sono costituite da rocce calcaree, più o meno pure. La composizione dei campioni è data dalla somma di una componente carbonatica predominante e di una componente terrigena, che è più abbondante nei campioni di Maiolica. La componente terrigena è costituita da quarzo e, subordinatamente, da fillosilicati e ossidi ed idrossidi di ferro. La porosità delle rocce è generalmente bassa (in media 1% in volume), mentre la resistenza meccanica alla compressione è piuttosto variabile, decresce salendo nella successione stratigrafica ed è correlata positivamente con il contenuto di fillosilicati.

Country
Italy
Related Organizations
Keywords

Pietre da costruzione, chiese medievali, Maiolica, Nummulitico, Toscana, Italia

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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