In this interview, News Team Member Claire McFadden speaks with graduate student Barra Peak about the Great Unconformity, which refers to a "missing gap of time in the canyon's rock record that covers hundreds of millions of years," as reported by CU Boulder Today. Peak is the lead author of a new study on the phenomenon.

To read more on CU Boulder Today, click here: https://www.colorado.edu/today/2021/08/23/geologists-dig-grand-canyons-mysterious-gap-time

Interview by News Team Member Claire McFadden
Originally broadcast on November 8, 2021.