You are browsing the archive for May 2014 - Page 2 of 2 - Mountain Beltway.
5 May 2014
Photoshop as a means of reconstructing fault offset
I saw this fault in Texas, north of the laccolith known as Cristo Rey: Click to enlarge I had a hard time making sense of the offset in my head, though, since the layers were of inconsistent thickness. Several people tried to convince me that the offset was “normal” (that is, right side down), but it still didn’t “click” for me in the field. So I took a photo. Back …
2 May 2014
Friday fauxld: Pennsylvanian plant fossil
Have a gander at this: Given that this is a Friday on Mountain Beltway, you might expect to see a fold here, and indeed, there’s something wavy and high-contrast running through the center of this sample. But that’s no fold. It’s a fossil plant! A “reed” of some kind, I guess. You can also see a small fern frond in the lower right. This is a sample of the Pennsylvanian-aged …
1 May 2014
Blogging → science
I thought this was pretty cool. Remember the blog post a year ago wherein I documented a slump on a hillside on the campus of James Madison University in Harrisonburg, Virginia, adjacent to Interstate 81? Well, a student at JMU, Dan Rowson, ended up doing his research on that slump, and it turned out that the high-resolution panorama I posted was the best available image of the phenomenon. Dan emailed …
Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.