porta nuova in ravenna (northern italy) is one of the most beautiful gates of ancient ravenna walls, built in the Xvi century (1580-1585). through the centuries, the doorunderwent several restoration events, the most important in 1653. a recent architectural survey has revealed that the Dooris currently undergoing both structural deterioration and bad conservation of stone materials. therefore, the Doorhas been subjected to laboratory investigation forthe purpose of collecting data useful forrestoration. this work presents a detailed mineralogical-petrographic, diffractometricand electron microscopy investigation of porta nuova stones, which brought to a classification of both natural and artificial materials. the results indicate the presence of different ornamental stones, which represent materials recovered from monuments of roman age. the widespread material is the white pietra d'istria in the fourvarieties orsera, "vacuolar", "nodular" and "facies liburnica". the red "marble" ross...
Mineralogical-petrographic characterisation and provenance of "Porta Nuova" stones: A XVI century gate in Ravenna (Italy)
GRILLINI, Gian Carlo;
2009
Abstract
porta nuova in ravenna (northern italy) is one of the most beautiful gates of ancient ravenna walls, built in the Xvi century (1580-1585). through the centuries, the doorunderwent several restoration events, the most important in 1653. a recent architectural survey has revealed that the Dooris currently undergoing both structural deterioration and bad conservation of stone materials. therefore, the Doorhas been subjected to laboratory investigation forthe purpose of collecting data useful forrestoration. this work presents a detailed mineralogical-petrographic, diffractometricand electron microscopy investigation of porta nuova stones, which brought to a classification of both natural and artificial materials. the results indicate the presence of different ornamental stones, which represent materials recovered from monuments of roman age. the widespread material is the white pietra d'istria in the fourvarieties orsera, "vacuolar", "nodular" and "facies liburnica". the red "marble" ross...I documenti in SFERA sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
