A view of the Stikine River near Wrangell and Petersburg. (Courtesy Cindi Lagoudakis) A geologist who has studied Southeast Alaska’s rocks and minerals for decades is creating a new geologic map of ...
The Arizona Geological Survey is conducting something akin to a going-out-of-business sale. The survey’s new digs at the University of Arizona are one-fourth the size of its current offices in the old ...
Vesta, an asteroid the size of Arizona, gets its own geologic map showing its history of meteorite impact craters over its billions of years of existence. Freelance writer Amanda C. Kooser covers ...
A new study highlights the striking coincidence in the geologic ages of the famous Meteor Crater in Arizona and a landslide dam that blocked the Colorado River, forming a paleolake in the Grand Canyon ...
The Daily Galaxy on MSN
50,000-year-old crater found in Arizona reveals surprising details about Earth’s geological past
Arizona’s Meteor Crater, a timeless scar from a cosmic collision 50,000 years ago, continues to unveil its mysteries, ...
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