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23 March 2018
Friday fold: Snow day edition
Snow may have cancelled the geology class, but there’s plenty to see outside! Join us for a tour of three fine examples of physical analogues in snow that show deformation akin to that we observe in rocks under tectonic stresses.
17 January 2018
Winter ichnology puzzle
Here’s a puzzler to warm up your chilly brain this Wednesday morning: Click to enlarge Figure out the story told by this set of imprints in the snow. The branch of science called ichnology studies the traces organisms leave behind. There’s a neat little story here. If you’ve got a guess, then you can check your answer by watching the video that this screenshot came from. It was posted on …
17 February 2014
A marine incursion in the Hampshire Formation?
I went out last Tuesday to Corridor H, the exemplary new highway cutting through the Valley and Ridge province of eastern West Virginia. Joining me was former student Alan Pitts, a devotee of Corridor H from way back in the early days when we just called it “New Route 55.” The boondoggle highway is now open all the way west to the Allegheny Front, practically into the Canaan Valley. On Tuesday, …
29 January 2014
Frosty morning
It’s another cold morning in the Fort Valley. To celebrate winter’s continuing grip, please enjoy these images from last Friday morning, on my way to work… Frost on plants: Frost on barbed wire: Finally, here’s a time-lapse video (5 times actual speed) of the first 6 miles of my commute (walking, then driving): [vimeo=http://vimeo.com/85285064]
24 December 2013
Ichnology of a one-horse open sleigh
On my morning walk earlier in the month, I encountered this trackway: Those are percheron (big breed of horse) hoof-prints, and the tracks of an authentic one-horse open sleigh, like the one invoked in “Jingle Bells!” Our neighbor, Don Warlick of Secret Passage Ranch, brings the sleigh out for neighborhood fun when conditions are right… Photo by Paul Kosubinsky (Click to enlarge) We had a blast tootling around on it …
7 March 2013
Snow day aftermath
So we ended up getting 13 or 14 inches of snow yesterday. It was wet, and the temperature was right around freezing. As soon as it stopped falling, it started melting. One interesting aspect of this is that big wads of slushy snow were plopping off the trees every time a gust of wind came through. The structures these “plops” formed exhibit much of the same morphology of meteorite impact …
6 March 2013
Snow day II
There’s something so awesome about a heavy snowfall, so transformative – it really inspires me. I went out skiing this morning, and I’ve never seen our house looking more beautiful. The snow is about 11 inches deep so far: It’s a wet, heavy snow. Temperatures are hovering right around 32°F (0°C), so it’s sticking to everything. Our lower driveway: Our road: While I was skiing across the floodplain down by …
Snow day!
It’s lovely here in the Fort Valley this morning! Lily went skiing: Lola sat in the window: Yay!
14 August 2012
My new favorite pater noster lake photo
Photo by Stephen Smith Alderson / Carthew lakes / summit area, depending on who you ask. Waterton Lakes National Park, Alberta.
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.