The contents of Na, Al, Si, K, Ca and Fe of 99 obsidians from the western Mediterranean islands of Lipari, Palmarola, Pantelleria and Sardinia were determined with the energy-dispersive spectrometer of a scanning electron microscope (SEM-EDS). The Na and in a lesser way other elements contents characterize any obsidian source-island. In Sardinia (80 samples), the four Monte Arci obsidian geochemical types can be discriminated from binary diagrams of element contents or by a discriminant analysis based on the six elements measured. It is concluded that SEM-EDS offers a new option for Neolithic obsidian provenance studies in this region.

SEM-EDS analysis of western Mediterranean obsidians: a new tool for Neolithic provenance studies

LUGLIE', CARLO
2006

Abstract

The contents of Na, Al, Si, K, Ca and Fe of 99 obsidians from the western Mediterranean islands of Lipari, Palmarola, Pantelleria and Sardinia were determined with the energy-dispersive spectrometer of a scanning electron microscope (SEM-EDS). The Na and in a lesser way other elements contents characterize any obsidian source-island. In Sardinia (80 samples), the four Monte Arci obsidian geochemical types can be discriminated from binary diagrams of element contents or by a discriminant analysis based on the six elements measured. It is concluded that SEM-EDS offers a new option for Neolithic obsidian provenance studies in this region.
Obsidian; Provenance studies; SEM-EDS; Western Mediterranean; Obsidienne; études de provenance;
MEB-SDE; Ossidiana; studi di provenienza; Mediterraneo occidentale
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11584/16256
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