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Piperno

Stubište, u Pipernu, do polukata vile Meola u Portici.
Piperno u crkvi San Francesco delle Monache, Napulj

Piperno je magmatska stijena prisutna u područjima gdje je bilo vulkanske aktivnosti. Piperno obiluje u Kampaniji; područja iz kojih je dobivena bila su grad Quarto, Soccavo, Pianura i Nocera Inferiore. Sloj Piperno, s Breccia Museo iznad njega, jasno je vidljiv u podnožju brda Camaldoli, u područjima Soccavo i Verdolino.[1]

Ova vrsta litificirane stijene, različita od žutog tufa, poprima posebnu teksturu koju karakterizira orijentacija lentikularnih koncentracija sive boje, zvanih plamenovi, uronjenih u matricu iste boje, ali svjetlije.

Stijenu Piperno nije lako izvaditi, a pomaže joj podzemno odvajanje velikih blokova koji se naknadno obrađuju; otporan je na habanje od atmosferskih utjecaja i zbog toga se naširoko koristio za oblaganje zgrada u Napulju. Trenutno se više ne vadi jer su podzemni kamenolomi u Pianuri i Soccavu iscrpljeni.

Izvori

  1. ↑ Calcaterra, Domenico; Langella, Alessio; de Gennaro, Roberto; de’ Gennaro, Maurizio; Cappelletti, Piergiulio. Veljača 2005. Piperno from Campi Flegrei: a relevant stone in the historical and monumental heritage of Naples (Italy). Environmental Geology. 47 (3): 341–352. doi:10.1007/s00254-004-1156-3

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