Textural, microstructural, and compositional characteristics of Fe‐based geomaterials and Upper Paleolithic ocher in the Lessini Mountains, Northeast Italy: Implications for provenance studies

Abstract

Abstract Provenance research of archaeological ocher contributes to understanding the capabilities of prehistoric humans to select, process, and treat suitable raw materials for symbolic and utilitarian purposes. The western part of the Lessini Mountains in the Veneto region of northeast Italy is an ideal location for this type of study as it features several different Fe‐rich deposits, and many examples of archaeological ocher have been found in the nearby Fumane Cave and Tagliente Rockshelter Upper Paleolithic sites. Sourcing areas are often identified through the use of geochemical studies; however, microscopic techniques can also be used with the benefit of providing more detailed information about accessory minerals and textural characteristics of the material. One of the goals of our study was to demonstrate the potential in using polarizing light microscopy supported by scanning electron microscopy coupled with an energy dispersive X‐ray spectrometer in research of this type. We studied geological source samples and archaeological materials from the sites, the results of which are very promising in terms of shedding light on the sourcing of prehistoric ocher in this region.

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