Documents Rocks as time machines: principles of geologic time.

Slide 1 Rocks as time machines: principles of geologic time Slide 2 Determining geological ages Relative dating – placing rocks and events in their proper sequence of formation…

Documents Geologic Time Earth’s History. Uniformitarianism The present is the key to the past Processes that...

Slide 1 Geologic Time Earth’s History Slide 2 Uniformitarianism The present is the key to the past Processes that happen today are the same processes that happened in ancient…