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16 August 2019
Quick, awesome Friday fold here from the Canadian Rockies and Maggie Romuld: Maggie also posted another intriguing image of her hiking in the Canadian Rockies – and set geoTwitter abuzz with a discussion of whether she had captured load casts bulging out of the bottom side of a bed or stromatolites projecting upward from the top of a bed. Have a look & read the ensuing discussion here. Happy Friday!
24 August 2018
It’s Friday, and I have another guest Friday fold to share: This one is from my Denver friend Greg Willis, who tells me it’s from near Arapaho Pass, near where we rain-hiked. Ahhhh, yes – a singularly soggy hike up in the Colorado Rockies. I remember it well, and it looks like Greg had better weather on this jaunt! Happy Friday to all!
24 November 2017
Here’s a guest Friday fold from reader Carl Brink: Carl tells me that this is: Precambrian Amphibolite schist float boulder from the Idaho Springs Formation in Rist Canyon west of Fort Collins, Colorado. Knife is 2.25 inches long. Thanks for sharing, Carl!
16 September 2016
The Friday fold is a guest submission from Bill Burton, who took the photo of these lovely ptygmatic folds in migmatite in a national park on the 100th anniversary of the founding of the Park Service.
22 April 2016
Today for your folding pleasure, I give you two field GigaPans shot by Jeffrey Rollins, a two-time Rockies field course alumnus and Old Dominion University student working under my colleague Declan De Paor, assisted by NOVA student Bridget Gomez, during last summer’s extended GigaPan expedition at the Sheep Mountain Anticline, Wyoming. This particular outcrop was found near the axis of the massive Laramide fold, and shows an extensively deformed section …
18 August 2015
On the recommendation of my friend Troy Holland, I just finished reading Michael Punke’s novel about Hugh Glass. The book has been optioned as a film, and because it stars Leonardo diCaprio, it will doubtless be a hit. What got Troy’s attention, though, is the director: Alejandro González Iñárritu, the guy who gave us Babel, Birdman, and Amores Perros, all of which were masterful films. So what’s a ‘revenant?’ Wikipedia’s …
12 August 2015
Another year, another batch of student projects from my Rockies field course, each intended to elucidate some aspect of the geology of the Montana / Wyoming Rocky Mountains for the general public: Geology of Grand Teton National Park (Marcell) Tilted glaciolacustrine beds near Glacier National Park (James) Blog on various aspects of the field course’s geology (Zack) A geologist’s guide to the Beartooth Highway (Peri) The Sawtooth Range and the …
As longtime readers know, late summer is when my Rockies students submit their final projects – web-based explanations of key geologic sites they examined during the trip. Today, I offer you a guest blog post by student John Leaming. You’ll notice that I’m not *completely* absent from the post, however – I make a couple of cameos as “sense of scale.” Enjoy, -CB ______________________________________________________________ Glacier National Park, Belt Supergroup I …
7 August 2015
What is Matt looking at here? Matt was one of my Rockies students this summer, a geology major at the University of Virginia. Together with another UVA student and students from Mary Washington University and George Mason University, Matt embarked on a mountain-climbing hike during our evening camping at Swift Dam, near Depuyer, Montana. The hikers were treated to an extraordinary sight when they attained the summit: Click to embiggen; …
24 July 2015
A final Friday fold (for now) from Howard Allen: This is : A view south across Kananaskis Lakes, Peter Lougheed Provincial Park, Alberta, through mist/low-hanging clouds. Snow highlights the Sarrail Creek Syncline and Warspite Anticline on the north faces of mounts Fox (left/east) and Foch (right/west). Rocks are Lower Carboniferous carbonates of the Banff, Livingstone and Mount Head formations. Happy Friday all – and thanks for sharing all these great …