Colby geologists are rewriting deep time history, altering the script of how scientists understand the mother of all mass extinctions—the End-Permian event that occurred approximately 252 million years ago. Or to suggest that they don’t, in fact, understand it.
"New Clues to a Mass Extinction: Colby Geologist Robert Gastaldo and Student Researchers unearth Evidence that contradicts prevailing Models about ancient Die-offs,"
Colby Magazine: Vol. 104
, Article 16.
Available at: https://digitalcommons.colby.edu/colbymagazine/vol104/iss2/16