ghloperr t1_j65c9ze wrote
Reply to comment by SLIP411 in More than 1.2 million years ago in Ethiopia, an early hominin species made handaxes using only obsidian (a type of volcanic glass that can produce blades sharper than surgical steel) by marketrent
They probably carbon dated the wood or other materials used with the obsidian. Can't carbon date obsidian because no carbon.
edit: https://phys.org/news/2023-01-obsidian-handaxe-making-workshop-million-years.html
> Dating of the material around the axes showed them to be from approximately 1.2 million years ago.
edit edit: apparently there is a method for dating obsidian artifacts, but I don't think it's what they used here.
[deleted] t1_j65dpod wrote
[removed]
Viewing a single comment thread. View all comments