You are browsing the archive for nevada Archives - Mountain Beltway.
1 November 2013
Friday fold: GSA display sample
At the GSA booth of Kansas State University, they had some nice specimens of rock on display. Here’s an example of a fold that caught my eye: rhyolite (flow banding, I presume) from the Owyhee Mountains: According to the gentleman manning the booth, the sample belongs to Dr. Matt Brueske. Happy Friday!
22 March 2012
Plane views
Here are some photos out the window of my flight home from California the week before last… Snow on the north sides of mountains, but not on the south sides (view is from the south towards the north): Same thing here: And again… And again… it would appear that our route from Reno to Minneapolis had us routed over the northern hemisphere! Variation on the same theme: light-colored sand deposits …
6 March 2012
Plane views
Some views from the airplane, over southern Wyoming (first two photos) and north-central Nevada (last four), last Saturday morning… A canyon: …and zooming in to the middle area of the previous photo: Strata upwarped into a structural dome (that has been “planed off” to be topographically horizontal, revealing a bull’s-eye-shaped outcrop pattern, then differentially weathered and highlighted by snow: Salt flat (playa lake + playa) in the Basin & Range …
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.