Historical information
Silcrete and chert can create sharp flakes and have been important materials for stone tool making in Australia. Silcrete was commonly used and widespread. Heat treatment of silcrete made the rock easier to fashion into flakes.
Physical description
Partly worked, incomplete Aboriginal rock blanks. The collection includes rocks of silcrete, quartz, and chert. 8969.26 is quartz chert. 8969.37 is a flint stone with a vein of quartz. The dark brown rock is silcrete with more iron than others (possibly 8969.41). 8969.45 is Quartz.
