Two of Arizona's most famous landmarks may be linked by cosmic violence: the asteroid that gouged out Meteor Crater may have also caused the formation of an ancient lake in the Grand Canyon. This ...
Conceptualization of Nankoweap landslide that brought down large boulders of Kaibab Limestone from the cliffs at left and created a geologically short-lived paleolake in Grand Canyon. Geology is full ...
WASHINGTON and HOUSTON, July 15, 2025 /PRNewswire/ -- A new paper in Geology led by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, University of Arizona ...