The aim of this work was an archaeometric study of the ≪Cipollino verde≫ marble of the grooved columns which, in about 367 A.D. were re-used to build the Portico degli Dei Consenti in the Romen Forum. Seven out of eleven fragments were sampled from in situ columns raised from the ground during the 19th century on occasion of Visconti's restoration after their Mediaeval collapse, during which five columns were replaced by travertine ones. The other four fragments were sampled from other pieces lying near the colonnade. During the Romen Empire, ≪Cipollino verde≫ marble was widely used to decorate many buildings. Today, one archaeological problem is to verify whether this marble came exclusively from the wellknown Imperial quarries in southern Euboea (Greece), from Italian ones (Apuan Alps, Tuscany) or from several other sources in the Imperial provinces (Spain, Portugal, Serbia, Albania, Greece). In addition, for Euboea it is important to define in which sectors of this Greek region (western, eastern, central) quarrying was more highly developed, since further knowledge would enable us to reconstruct ancient organisation of labour, travel routes and ports of embarkation. Help in solving these problems comes from study of the minero-petrographic, chemical and isotopic features of the ≪Cipollino verde≫ formations outcropping in the Mediterranean basin. Current knowledge about formations in southern Euboea and the Apuan Alps (Cipollino Verde≫) identifies several discriminating parameters. On the basis of results obtained from the ≪Cipollino verde≫ columns of the Portico degli Dei Consenti , seven samples were ascribed to a formation outcropping in western Euboea (Styra sup. and/or Styra info sub-district) and one to the formation outcropping in the Arni sector (Apuan Alps). Data for the three remaining marble columns could not assigned, on the basis of the considered parameters, either to Euboean or Apuan Alps districts.
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|Titolo:||The portico degli dei consenti (Romen forum). Archaeometric study of a late ancient colonnade made of "cipollino verde" marble|
|Data di pubblicazione:||2002|
|Appartiene alla tipologia:||01a Articolo in rivista|