Conservation and restoration work on the stone sculptures from the Danieli Collection in the collection of Roman antiquities of Archaeological Museum Zadar and inquiry into the origin of its stone

Stalni postav antike Arheološkog muzeja Zadar izlaže građu rim­ske antike po principu tematskih cjelina, kao što su rimska vojska, arhitektura i urbanizam, umjetnost, religija i pokapanje. Veliki dio izložene građe čini kamena plastika, točnije 96 vrijednih pri­mjeraka kojima je bila potrebna konzervatorsko-restauratorska obrada. U periodu od dvije godine na 50-ak kamenih spomenika izvršena je preventivna zaštita, dok je na 25 spomenika izvršen kompletan postupak zaštite. U ovom radu opisuje se konzerva­torski postupak i petrografske analize provedene na mramornim skulpturama i portretima iz zbirke Danieli. Na temelju uzoraka kamene prašine, uzetih s eksponata, determinirana je vrsta i na­stanak stijene. Petrografskom analizom određena je točnija pro­venijencija kamena i lokacija mogućih kamenoloma.The permanent exhibition of Roman antiquities in Archaeological Museum Zadar is organized by themes, such as Roman military, architecture and urban planning, art, religion and burials. Stone sculptures account for large part of the exhibits – specifically, 96 valuable specimens that required conservation and restoration work. Over a period of two years, some 50 stone monuments un­derwent preventive protection measures and 25 of them under­went a full protection procedure. This paper describes the con­servation treatment and petrographic analyses conducted on the marble sculptures and portraits from the Danieli Collection. Based on the stone dust samples collected from the exhibits, the type of the stone and its formation were determined. The petro­graphic analysis was used to establish a more accurate origin of the stone and the locations of the quarries it possibly came from