Afarensis: Anthropology, Evolution and Science
Description: rock out to the apparatus
rock out to the apparatus
No one quite knows how old these hills are. We know how old the rocks are, of course - it’s easy (or at least straightforward) to grab a chunk of granite, crush it up, and throw it in your handy mass spectrometer for a radiometric date. When dinosaurs roamed the earth 100 million years ago, these rocks were coagulating in a magma chamber several miles below. But when did they reach the surface? And how? And why? Continue Reading »
¶ Posted 08 July 2020 § Science ‡ Comments (3)
Afarensis: Anthropology, Evolution and Science