Geologists Just Cracked Open a 500-Million-Year Mystery in the Grand Canyon — What They Found Is Rewriting Earth’s History - Indian Defence Review
09.06.2025 01:11

A newly published study in GSA Todayhas upended decades-old theories about how some of the Grand Canyons oldest layers specifically the Tonto Group were formed. Drawing on fieldwork across over 50 si… [+3871 chars]