Tektite geoarchaeology in mainland Southeast Asia

  title={Tektite geoarchaeology in mainland Southeast Asia},
  author={Ben Marwick and Son Thanh Pham and Rachel Brewer and Li-Ying Wang},
Tektites formed by an extraterrestrial impact event in Southeast Asia at 0.78 Ma have been found in geological contexts and archaeological sites throughout Australia, East and Southeast Asia. At some archaeological sites, especially in Bose Basin, China, and An Khe, Vietnam, tektites have been interpreted as in situ in primary deposits, marking the age of deposit formation, and thus the age of artefacts in those deposits. We argue that tektites are rarely reliable age markers. We describe five…