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 ...
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 ...
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 ...