The Lower to Middle Paleolithic transition (~ 400,000 to 200,000 years ago) is marked by
technical, behavioral, and anatomical changes among hominin populations throughout …

This paper reviews the use of pXRF in elemental assessment of vegetation, with emphasis
on the factors that affect pXRF readings, including water content, protective film effect, critical …

The techniques of chemical investigation by X-ray fluorescence (XRF)<? index value=" XE
“X-ray fluorescence”"?> are widespread since the 50s of the last century. Depending on the …

Elemental analysis is a fundamental method of analysis on archaeological materials to
address their overall composition or identify the source of their geological components, yet …

The obsidian sources of central Anatolia, the Aegean and central Europe have been studied
in detail over the past 50 years. Various analytical techniques have been employed to …

Portable X-ray fluorescence (pXRF) has been demonstrated as a powerful tool to assign
obsidian artifacts to sources. Newer instruments can even match artifacts from some regions …

As a cost-effective and non-destructive method for multi-element analysis, portable X-ray
fluorescence spectrometry (pXRF) has the potential for broad archeological application; …

Armenia has one of the most obsidian-rich natural and cultural landscapes in the world, and
the lithic assemblages of numerous Palaeolithic sites are predominantly, if not entirely …

Portable X-ray fluorescence (pXRF) instruments can source obsidian artifacts once beyond
analytical reach, expanding the range of artifact classes included in sourcing research. It is …

A series of well-characterized specimens, known as the Peabody-Yale Reference Obsidians
(PYRO) sets, has been designed to aid with calibrating and assessing X-ray fluorescence …