Thompson field forum report: Age and carving of grand canyon: Toward a resolution of 150 years of debate

Karl E. Karlstrom, Laura J. Crossey, Eugene Humphreys, David Shuster, Kelin Whipple, Ryan Crow

Research output: Contribution to journalReview articlepeer-review

Abstract

The age and evolution of the Grand Canyon, in the western USA, have been debated since J.W. Powell's exploration of the Colorado River in 1869. This paper reports results of a 2019 GSA Thompson Field Forum that honored the 150th anniversary of Powell's first trip.

Original languageEnglish (US)
Pages (from-to)1-16
Number of pages16
JournalGSA Today
Volume30
Issue number2
DOIs
StatePublished - 2020
Externally publishedYes

ASJC Scopus subject areas

  • Geology

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