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  1. Home

Dale Nations

Dale Nations, Professor Emeritus, Northern Arizona University

Click the image to see the original photo at maximum resolution (potentially large files). Click the title to see a full description, geolocation, and more.

Photos 1 - 19 of 19
Meteor Crater, bolide, ejecta
Meteor Crater, Arizona
Redwall Limestone
Redwall Limestone along Bright Angel Trail, Grand Canyon
mesozoic rocks at Black Mesa
Strata of Yale Point, Black Mesa, Navajo Nation
paleontology
Gray Mountain to Black Mesa: Geologic tour through Arizona's Dinosaur Country
Navajo Nation lands north of Black Mesa
Walking through time on Grand Canyon's Bright Angel Trail
Vulcan's Throne, Uinkaret volcanic field, North Rim of Grand Canyon
Palagonitized Tuff at Colton Crater, San Francisco volcanic field
Bryazoans collected from the Supai Group
Trace fossils in the Cambrian Tapeats Sandstone
Trace fossils in the Permian Coconino Sandstone
Looking south towards San Francisco Peak
Imbricated stream deposits, Little Colorado drainage
Grand Falls, Arizona, during flood stage
Shadow Mountain, Arizona
Tapeats Sandstone and the Great Unconformity
Fossil Leaf of the Wepo Formation
Merriam Crater and the Sproul, San Francisco volcanic field
Vulcan's Throne
Arizona Rocks Postcard #17 - Vulcan's Throne

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