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izvor podataka: crosbi

Croatian Appoxiomenos alloy composition and lead provenance study (CROSBI ID 152866)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Mudronja, Domagoj ; Jakšić, Milko ; Fazinić, Stjepko ; Božičević, Iva ; Desnica, Vladan ; Woodhead, Jon ; Stos-Gale, Zofia Croatian Appoxiomenos alloy composition and lead provenance study // Journal of archaeological science, 37 (2010), 7; 1396-1402. doi: 10.1016/j.jas.2009.12.043

Podaci o odgovornosti

Mudronja, Domagoj ; Jakšić, Milko ; Fazinić, Stjepko ; Božičević, Iva ; Desnica, Vladan ; Woodhead, Jon ; Stos-Gale, Zofia

engleski

Croatian Appoxiomenos alloy composition and lead provenance study

An ancient bronze statue of an athlete with a strigil (known as Apoxiomenos) – was raised from the north Adriatic Sea in 1999. In order to help to determine its place and date of manufacture various scientific techniques were used. C-14 dating performed by the Accelerator Mass Spectrometry (AMS) on the organic material found inside the statue gave calibrated dates between 100 B.C. and 250 A.D. Non-destructive analysis performed by portable X-Ray Fluorescence (XRF) system and external beam Particle Induced X-Ray Emission (PIXE) spectroscopy could not provide representative results for metal alloy composition due to the electrochemical deterioration of the surface of bronze in seawater. This was observed by the analysis of alloy cross-sections performed by the proton microprobe. The analysis showed much higher lead concentrations on the surface of the bronze than inside, confirming that realistic alloy composition can be only performed on samples taken from at least 0.6 mm below the surface. Subsequent micro-PIXE analysis on metal cross-section showed inhomogeneous lead concentrations between 1 and 12%. Lead isotope analysis for provenance investigation has been done on 15 samples using Multi Collector Inductively Coupled Plasma Mass Spectrometry (MC-ICP-MS). Analysis showed that lead isotope composition is consistent with some of the lead ores originating either from the Eastern Alps or from Sardinia. Altogether, the results lead to the conclusion that the statue is not of a Greek origin, but most probable it is a Roman copy of the Greek original.

ancient bronze analysis ; X-ray microanalysis ; MC-ICP-MS ; lead isotope provenance studies ; PIXE ; C-14 dating

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Podaci o izdanju

37 (7)

2010.

1396-1402

objavljeno

0305-4403

10.1016/j.jas.2009.12.043

Povezanost rada

Fizika

Poveznice
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