Carving Grand Canyon: Evidence, Theories, and MysteryCarving Grand Canyon provides a synopsis of the intriguing ideas and innovative theories that geologists have developed over time. This story of a fascinating landscape is told in an engaging style that nonscientists will find inviting. The story's end, however, remains a mystery yet to be solved. |
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Arizona Basin and Range become beginning Bidahochi called carved catastrophic caused channel climate Colorado Plateau Colorado River continued course created dates deep deepening deposits depth direction drainage early earth east edge elevation evidence evolution existed explain fact faults feet flood flow Formation formed geologic geologists Grand Canyon Grand Wash Cliffs gravels headward erosion Hualapai hundred idea important integrated Kaibab upwarp known Lake landscape later least located looked lower miles million years ago Mogollon Highlands Mountains Muddy Creek northeast observations occurred once origin perhaps period Photograph position possible Powell present question recent regarding relatively remains result reversal River system rock Rocky Mountains sediment separate side spillover story strata stream stream piracy studies suggests surface Tertiary theory thousand tributaries understanding uplift upstream valleys western young