Regarding the age, the tools were found via excavation in soil layers that have a known geological age range determined via Geochronology[1]. [1] https://en.wi

Regarding the age, the tools were found via excavation in soil layers that have a known geological age range determined via Geochronology[1]. [1] https://en.wikipedia.org/wiki/Geochronology https://en.wikipedia.org/wiki/Geochronology