We define tephras and cryptotephras and their components (mainly ash-sized particles of
glass±crystals in distal deposits) and summarize the basis of tephrochronology as a …

A recent study by Frahm (2013) on the application of portable XRF (PXRF) for chemical
characterization of obsidian ignores fundamental issues of reliability and validity in the …

This paper thematically characterizes a large body of recent obsidian sourcing discourse as
a means of highlighting the current place of obsidian provenance studies in larger …

2 1 Introduction agree on any single scheme for faunal successions, and, secondly, instead
of using presence-absence of species, Lartet used the relative abundance of species. How …

Obsidian artifacts occur in some of the earliest occupied late Pleistocene archaeological
sites in Patagonia, such as Pilauco (∼ 15,500 cal BP) in south-central Chile, and Cerro Tres …

El análisis de los espacios internodales en escala arqueológica ofrece un marco adecuado
para la integración de preguntas generadas desde distintos ámbitos teóricos, con un gran …

The response from Speakman and Shackley to my paper highlights a number of important
issues currently facing archaeological sourcing research. Many of these issues, however …

Northwestern Patagonia is located in a tectonically active part of the southern Andes
(Argentina), which has facilitated the formation of obsidian, including pyroclastic deposits …

We have carried out long-term comparative in a wide latitudinal range of the Andes (29°–37°
south), encompassing selected areas that differ in ecology and biogeography. This …

Abstract Central Western Patagonia (CWP) is a key area for assessing long-distance
procurement of high-quality obsidians throughout the Holocene given that almost all …