Biology 100/101
Lecture 27
Macroevolution: Evidence
Grand Canyon Pictures
Ammonoid Fossils - Ammonoid Canyon
Ammonoid Canyon - Grand Canyon
Ammonoid Fossil in the floor of Ammonoid Canyon
Ed Dole and Ammonoid Fossil in the floor of Ammonoid Canyon
Geologic features in Grand Canyon
The Great Unconformity - Grand Canyon
Lower rock 1,700 million years old granite and schist
Upper rock 550 million year old sandstone.
What happened to the 1,150 million years?
Vulcan's anvil and lava flow that filled the canyon above lava falls rapid.
Vulcan's anvil and Dr. Stanley Parkinson.
