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4 January 2012
Guess hoo’s back?
Scops owl, Kruger National Park, South Africa Hi everyone! I’m back in the States. There will be more photos of wildlife and geology from South Africa to come in the days and weeks ahead, but this little fellow can be an appetizer for you. It was a great trip, but it also feels good to be back at home and back at work!
23 December 2011
Friday fold: a wrinkled mountain in Hermanus
While I was away in South Africa, both Brian Romans of Clastic Detritus and Evelyn Mervine of Georneys posted pictures of folds in quartzite of the Cape Fold Belt in southern South Africa. Well, I’m not going to be left out. Here’s a belated Friday fold for December 23, showing a bunch of sweet folds in a mountain just east of the coastal whale-watching town of Hermanus: Zooming in: And …
12 December 2011
Upcoming plans
A heads-up: I’m leaving Wednesday afternoon for a 3 week trip to South Africa. My wife Lily and I are off on our half-year-delayed honeymoon (to be distinguished from our Canadian Rockies pre-honeymoon last summer mainly by its exorbitant cost and low levels of geology). We will be spending the day in downtown London, England, on Thursday, and then we’ll get to Johannesburg on Friday morning. The plan is to …
11 December 2011
Just the thing for a winter day on the east coast…
… a brief glimpse of summer in the Rockies: [youtube=”http://www.youtube.com/watch?v=hbRx7W1nYUk”] Footage shot south of Blacktail Butte, in Jackson Hole, looking west towards the Teton Range, in Wyoming. July 2011. Gros Ventre River terrace in the mid-ground.
28 October 2011
Friday fold: cleaved slate in Kootenay National Park
This summer, a week or two after our wedding, my wife and I found ourselves in the Canadian Rockies for a pre-honeymoon. Part of our time was spent on a backpacking trip to Floe Lake in Kootenay National Park, British Columbia. On our hike in, we passed this outcrop of Chancellor Slate, a Cambrian aged deposit of mud which got deformed during the compressional mountain building event that thrust up …
17 October 2011
Hawk migration in Mexico
Two images that have me scheming to go down to Veracruz, Mexico, next September for a weekend of hawk-watching: …Impressive, no? Better yet, check this out: …Oh. Yeah.
12 October 2011
The GSA meeting experience, 2011
I’m on the plane home from the annual meeting of the Geological Society of America, held this year in Minneapolis, Minnesota. This annual event features a robust smorgasbord of science, with talks and posters detailing the research efforts of thousands of geoscientists from the US and other countries. It’s an amazing experience on many, many levels, and as I fly home now after a week in Minnesota, my feelings are …
30 September 2011
Friday fol(r)d
Straight-limbed open synform in an organic-rich formation of limited areal extent, featuring some brittle extensional features at the hinge. Kootenay National Park, British Columbia, summer 2011. (The bridge was broken before we got there.)
20 September 2011
Giant City State Park, Illinois
Giant City State Park is a patch of protected forest south of Carbondale, Illinois, where there are some pretty cool exposures of Pennsylvanian-aged Makanda Sandstone. Here’s a typical look at one: Notice the deep chasm on the right. This leads, maze-like, to other flat-bottomed and vertically-walled canyons: The orthogonal joint sets produces some nice tall, cliff-like vertical exposures that reveal the history of these rocks in several stages: deposition by …
16 August 2011
Hiking to the Burgess Shale
Callan visits the Burgess Shale in British Columbia’s Yoho National Park on a guided tour. This photo-heavy post discusses the depositional setting of this world-famous Cambrian fossil deposit, the landscape along the hike, and (of course) the fossils themselves.
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.