Basic Geology

Professor Bentley

Geology Professor, Callan Bentley @callanbentley: A Day in the GeoLife Series

NAME: Callan Bentley CURRENT TITLE: Chancellor’s Commonwealth Professor of Geology, Northern Virginia Community College, Annandale, Virginia. I also blog at Mountain Beltway, tweet at @callanbentley, and serve as a contributing editor for EARTH magazine. AREA OF EXPERTISE:  Geology, teaching YEARS OF EXPERIENCE:…
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Oh no! Why is there a sinkhole in your backyard?

The worst sinkhole I’ve ever seen developed at an 84-year-old man’s Brooksville, Florida home following tropical storm Debby last year.  At first, the house and property became inundated with water, but then sinkholes began opening up in the front yard….
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The best rock cycle diagram I have ever seen!

I’ve gotta admit, as geeky as this sounds, I’m pretty excited over this rock cycle diagram I found at www.geologycafe.com.  I wish I had this available while I was in college, because it not only shows the different processes in…
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