Fossil Leaf From Castle Rock, Colorado
Richard M. Wicker
creator of digital collection
fossil leaf fromm the DMNS Plaeobotany dept. The castle Rock site was discovered in a roadcut created by CDOT during a higway project near Castle Rock, Colorado by geologist Steve Wallace. The collection was found in the Daswson Arkose formation near the K-T Boundary. It is the earliest known rainforest in North America dating back to 63 million years ago.
June 9, 2006
date of photograph
USA, Colorado, Denver Museum of Nature and Science
Use with permission Denver Museum of Nature and Science