Original study:

R. Shimelmitz et al., A Middle #Pleistocene abrading #tool from #TabunCave, #Israel: A search for the roots of #abrading technology in human evolution, Journal of Human Evolution 150, 2021, 102909....

With what may be an up to 350,000 y/o #StoneTool from #TabunCave, Mount Caramel (#Israel) there seems to be a 'new' oldest (known) #grinding / abrading tool in town:

archaeologynewsnetwork.blogspot.com/2020/12/350000-year-ston... via @ArchaeoNewsNet