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5 July 2012

Floe Lake hike

Last summer, my wife and I spent some time in the Canadian Rockies. One of the things we did was to take a three-day backpacking trip to Floe Lake, in Kootenay National Park, British Columbia. We picked a rough couple of days for hiking – We got a lot of Canadian Rockies precipitation out there: we got rained on, hailed on, and snowed on during those three days. Here’s our …

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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 …

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13 March 2012

Elevation 10,000 feet

White Mountains, California. Photo (and animated GIF) by Filip Goc. A little silliness for your Tuesday morning.

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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 …

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15 January 2011

Snowy detachment

I think snow can act as a nice analogue for larger-scale rock deformation. I explored this a bit last February, and I was reminded of it again last week, when I walked to my car one morning and saw this: Notice how the slab of snow on the hood (“bonnet” for British readers) of my Prius has slid en masse down”hill,” leaving the top portion of the hood bare of …

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7 January 2011

Friday fold: snow on a roof

The weekly example of a fold is especially… “cool” this week.

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24 February 2010

Snowy d├ęcollement

Earlier in the month, during the big snowstorms, my window got plastered with snow. This snow formed a vertical layer which then deformed under the influence of gravity. Looking at it through the glass, I was struck by how it could serve as a miniature analogue for the deformation typical of a mountain belt. Let’s start our discussion by taking a look at an iPhone photograph of the snow: So …

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10 February 2010

Snoverkill, 4pm

A look out the back window as DC breaks its annual snowfall record…

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8 February 2010

Normal fault in hedgetop snow stratum

Intersection of 16th Street and Columbia Road NW… … a wee bit underexposed, eh? Guess the high albedo blew out my iPhone camera. (glove for scale)

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