This review describes advances in the continued expansion of work using the XRF group of
techniques published approximately between April 2013 and March 2014. Specialised …

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 …

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 …

Provenance studies of exotic materials along the frontiers of expansionary states provide
invaluable evidence of cultural interactions and systems of exchange. Here we present …

For more than a half-century, obsidian provenancing has underpinned many archaeological
investigations of peoples of the past. The pace of obsidian studies in this regard has …

A key tenet of Clovis period hunter–gatherer mobility is the utilization of large ranges based
on the appearance of exotic raw materials, particularly chert, in Clovis assemblages. The …

Campanayuq Rumi is a large civic-ceremonial center located in the south-central highlands
of Peru. Founded in the late Initial Period (1100–800 BC), Campanayuq Rumi became an …

The geopolitical relations of ancient states were often materialized through the flows of
highly valued objects, but such relations also involved territorial strategies to secure access …

Abstract In North America, it is critical for archaeologists to differentiate between American
native copper and European smelted copper. Indeed, native copper, a rather pure metal …