Tephrochronology as a tool for assessing the synchronicity of Middle Palaeolithic and Upper Palaeolithic techno-complexes in the Caucasus

<p>The Caucasus is a land corridor between the Black and Caspian seas, linking Africa to Northern Eurasia, and is considered a migratory route for Neanderthals and Anatomically Modern Humans (AMH). Numerous cave sites in Armenia, Azerbaijan, Georgia and southwestern Russia indicate that Neande...