Preliminary U-series and Thermoluminescence dating of excavated deposits in Liang Bua sub-chamber, Flores, Indonesia

► Archaeological material in Liang Bua sub-chamber was transported via sinkholes. ► Red TL dating show Pleistocene aged sediments are from main chamber. ► U/Th dating of straw stalactites shows sediments were reworked during the Holocene. ► Combined chronological approach helps understand complex cave site formation.