List of studies reviewed in detail and their main parameters (‘1’ means that the parameter is present in the study, ‘0’ means that the parameter is absent, ‘NA’ means that the parameter is not applicable).

Raw materials highlighted in red were heat-treated; raw material highlighted in beige is quartzite; raw material highlighted in yellow is resinite opal; raw material highlighted in brown is volcanic tuff; raw material highlighted in blue was knapped only by pressure.
(XLSX)