Geotripper

News and views from the geologic realm

Monday, June 23, 2025

Journeys in the Back of Beyond: Simply Driving to the Bottom of the Grand Canyon (!?)

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Running a geology field studies course is nothing if not stressful. Right on the heels of the most intense storm I've experienced on o...
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Sunday, June 22, 2025

Journeys in the Back of Beyond: Starting Off With a Bang

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  The Granite Mountains adjacent to the Mojave National Preserve Actually it was a great many bangs. I shall explain... Let's start with...
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Saturday, June 21, 2025

Journeys in the Back of Beyond: Adventures on the Colorado Plateau

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  Devils Garden in Arches National Park What is an adventure anymore?  I ask my students to describe the meaning in one of my offbeat assign...
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Wednesday, May 28, 2025

The Coming Gigantic Crater in Arizona: The Supreme Court Fast-Tracks Destruction of Sacred Lands

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Sometimes issues keep coming up. I hadn't heard of updates of the Oak Flat Controversy in a couple of years, but with the new administra...
Sunday, May 18, 2025

The Eruption of Mt. St. Helens at 45 years: Why it Still Matters and Why Science Matters

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It is the 45th anniversary of the eruption of the St. Helens volcano and as I think of those days, I realize that even though a majority...
Saturday, April 12, 2025

Do You Think You Know the Highest Waterfall in Yosemite Valley? You Could Be Wrong!

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Quick quiz: What is the name of this waterfall? What is the highest waterfall in Yosemite Valley? Depending on the parameters one can use to...
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About Me

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Garry Hayes
I am a teacher of geology at Modesto Junior College and former president of the National Association of Geoscience Teachers, Far Western Section. I have led field trips all over the western United States, and a few excursions overseas, but my homebase is the Sierra Nevada, the Great Valley, and the Coast Ranges of California.
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