New data for the characterisation of Milos obsidians

Arias, A.; Oddone, Massimo; Bigazzi, G.; Di Muro, A.; Principe, C.; Norelli, P.

Newly produced fission track (FT), instrumental neutron activation analysis (INAA) and micro-Raman spectrometry data have been used to characterize the classical source areas of the Milos obsidians better and to check the provenance of obsidian artefacts. The Bombarda-Adhamas and Demenegaki obsidians yielded indistinguishable FT ages 1.57±0.12 and 1.60±0.06 My, respectively, in agreement with previous FT data. By INAA analyses it was possible to discriminate between the three obsidian sources on Milos: Bombarda-Adhamas, Demenegaki and A. Ioannes. Raman spectroscopy has been found to be a valuable technique to gain a chemico-structural characterization of a given obsidian population in terms of dissolved water content and microlite distribution/composition.

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Titolo:	New data for the characterisation of Milos obsidians
Autori:	A. Arias ODDONE, MASSIMO G. Bigazzi A. Di Muro C. Principe P. Norelli mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2006
Rivista:	JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Abstract:	Newly produced fission track (FT), instrumental neutron activation analysis (INAA) and micro-Raman spectrometry data have been used to characterize the classical source areas of the Milos obsidians better and to check the provenance of obsidian artefacts. The Bombarda-Adhamas and Demenegaki obsidians yielded indistinguishable FT ages 1.57±0.12 and 1.60±0.06 My, respectively, in agreement with previous FT data. By INAA analyses it was possible to discriminate between the three obsidian sources on Milos: Bombarda-Adhamas, Demenegaki and A. Ioannes. Raman spectroscopy has been found to be a valuable technique to gain a chemico-structural characterization of a given obsidian population in terms of dissolved water content and microlite distribution/composition.
Handle:	http://hdl.handle.net/11571/104059
Appare nelle tipologie:	1.1 Articolo in rivista

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