Northern States Ride 2016

Previous | Next | Index

The landscape that emerges from these excavations is that of a diverse ecosystem, some 12 million years ago, that developed on a broad flat grassy savannah. The skeletons are buried at a watering hole, in a layer of pure volcanic ash, consisting of tiny shards of glass from broken glass bubbles.

All images copyright © 2016 F.W. Vollmer and may not be used without permission.