How Are They Dating This Set Of Ancient Australian Rock Paintings? With Mud Wasps
Dead mud wasps, in fact. The ancient artists who painted the Gwion figures in Western Australia's Kimberley region used iron oxide pigments, which have no organic material and can't be carbon-dated. But the remains of mud wasp nests stuck to the paintings can be carbon-dated, and researcher Damien Finch has used them to determine that […]