This image is taken from the Geologic Time Viewer, a project presented last week at MIT, which shows how materials created over millions of years in geologic time are now a part of our everyday lives.

What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!

Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...

Bruce Bjornstad has loved rocks since he was a kid, growing up on the East Coast. But his real love and expertise is the Missoula Floods — cataclysmic events that scoured the Columbia Basin and laid ...

Sign up for CNN’s Life, But Greener newsletter. Our limited newsletter series guides you on how to minimize your personal role in the climate crisis — and reduce ...