Florissant Fossil Beds National Monument: Lahar and Preservation of Redwood Tree Stumps
Uploaded: June 16, 2015, 1:42 p.m. |
Modified: June 6, 2019, 7:55 a.m. |
This is an excerpt from a film about the geologic history of Colorado. The full movie is planned for release in summer 2015.
This clip shows how the petrified redwood tree stumps at Florissant Fossil Beds National Monument in Florissant, Colorado, were preserved as a result of volcanic activity in the area 34 million years ago.
Geologic age: 34Ma