PUMA
Istituto di Geoscienze e Georisorse     
Arias A., Oddone M., Bigazzi G., Di Muro A., Principe C., Norelli P. New data for the characterization of Milos obsidians. In: Journal of Radioanalytical and Nuclear Chemistry, vol. 268 (2) pp. 371 - 386. Springer Verlag, 2006.
 
 
Abstract
(English)
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 1.570.12 and 1.600.06 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.
URL: http://www.springer.com/chemistry/journal/10967
Subject Greece
Milos island
volcanic glasses
obsidian
chemical analysis


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