New research supports the long-held hypothesis that the Grand Canyon is as young as six million years. That’s what geologists originally believed before a different study claimed it was tens of millions of years older.
The study was conducted by geologists at Arizona State University. It compares the western Grand Canyon with the Grand Wash Cliffs. It found that the canyon is steeper than the cliffs, which suggests erosion started more recently.
The City of Williams west of Flagstaff is in the process of drilling a new well. Like many places in the Southwest, it’s facing drought and rising demand. But there’s another reason water supply is a challenge in Williams. A fluke of geology has forced the city to take the lead in the hunt for groundwater on the Colorado Plateau.
Rumors of a steam plume coming from Sunset Crater near Flagstaff have been making a buzz on the Internet. But as Arizona Public Radio’s Melissa Sevigny reports, officials with the national monument say there’s no sign of geologic activity.
It's estimated that by the new year, more than 60 million Americans will be using iPads. NAU geologist Lisa Skinner is already using them in the field with her students as a geologist time machine of sorts.