Chemical characterisations of Anatolian obsidians by instrumental and epithermal neutron activation analysis |
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| Authors: | M. Oddone Z. Yegingil G. Bigazzi T. Ercan M. Özdogan |
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| Affiliation: | (1) Dipartimento di Chimica Generale, Centro CNR di Radiochimica ed Analisi per Attivazione, Universita, Pavia, Italy;(2) Fizik Bölümü, Fen-Edebiyat Fakültesi, Çukurova Universitesi, Adana, Turkey;(3) Istituto di Geocronologia e Geochimica Isotopica, CNR, Pisa, Italy;(4) Jeoloji Etüdleri Dairesi, MTA Genel Müdürlügü, Ankara, Turkey;(5) Prehistorya Anabilim Dali, Edebiyat Fakültesi, Istanbul Universitesi, Istanbul, Turkey |
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| Abstract: | Obsidian is a volcanic glass which is generally black, sometimes grey, brown, red or green in colour and characterised by a glassy appearance and conchoidal fractures. It is formed by the sudden cooling of the molten, generally acid magma with high water content. Obsidian was widely used for tool-making during prehistoric times. This work concems the chemical characterisation of obsidian occurrences from Northem, Central and Eastem Anatolia by Instrumental and Epithemal Neutron Activation Analysis for obtaining an accurate  fingerprint for discrimination of potential natural sources of raw material that would permit tracing the origin of archaeological obsidian artefacts. |
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