Geology is full of detective stories about the Earth’s history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, along with their co‐authors, links two iconic geologic landmarks of the American Southwest: the Grand Canyon and Meteor Crater.



Summary

A new study in Geology connects the Grand Canyon and Meteor Crater, two iconic Southwestern landmarks, revealing a shared history. Researchers from the University of New Mexico, led by Karl Karlstrom and Laurie Crossey, used geological detective work to link the erosional history of the Grand Canyon with the impact event that created Meteor Crater. The study suggests that sediment eroded from the Grand Canyon, transported by the Colorado River, contributed to the sedimentary layers present at Meteor Crater, demonstrating a surprising and direct connection between these seemingly disparate geological features.

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