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A meteor may have led to the formation of the Grand Canyon, new study says

A meteor may have led to the formation of the Grand Canyon, a new study has found. While many Americans are familiar with the Grand Canyon’s beauty and uniqueness, they may not be aware of the story ...
ZME Science on MSN

Meteor Crater Impact May Have Triggered Ancient Floods in the Grand Canyon

Karl Karlstrom, a geologist recently retired from the University of New Mexico, grew up in Flagstaff, Arizona. Grand Canyon ...
Science Daily

Frenchman mountain dolostone: 500 million-year-old grand canyon rock layer finally gets a name

A research team outlines how it identified and bestowed a moniker upon a previously unexplored 500 million-year-old Grand Canyon formation: The Frenchman Mountain Dolostone. The newly named rock layer ...
AOL

Two Grand Canyon-size valleys on the far side of the moon formed within 10 minutes, scientists say

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About 3.8 billion ...