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6 April 2015

Exploring Mahantango Zoophycos traces in GigaPan

Exploring Mahantango Zoophycos traces in GigaPan

Recently, I posted about an excellent road cut in Fort Valley showing well-developed 10 cm+ Zoophycos trace fossils. Presented here are three new GigaPan images (two outcrop; one macro) of Zoophycos from the Devonian-aged Mahantango Formation: link link link These images are part of a new “virtual field trip” that I organized to supplement my historical geology field trip to examine the geologic history of the Massanutten Synclinorium. The link …

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24 February 2015

New macro GigaPans for exploration

My student Robin has been busy cranking out great new macro GigaPans. Check out a few of these new examples: link link link link link link link link

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10 February 2015

Pisolites in the Tansil Formation, Carlsbad Caverns, New Mexico

Pisolites in the Tansil Formation, Carlsbad Caverns, New Mexico

Pisolites are large primary concretions that develop in backreef or lagoonal settings such as the Permian Tansil Formation of New Mexico, into which is cut the enormous hole called Carlsbad Caverns.

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21 January 2015

Bloomsburg Formation in GigaPan

Three images, working our way in from outcrop setting to hand sample: link link link These fine red sandstones are the Silurian-aged Bloomsburg Formation, as it crops out in Fort Valley, Virginia. What would we see if we kept zooming in? …Stay tuned…

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13 January 2015

Glacial striations and robust hackles in Jasper

Glacial striations and robust hackles in Jasper

Check out the argillite boulder in the left midground of this GigaPan, which I’ve showed here before. It was taken at the Icefields Center parking area in Jasper National Park, Alberta: link There, you’ll find some lovely orange lichens, some iron oxide staining, some graffiti, and a fair number of sub-aligned glacial striations. Also, at the top edge of the boulder, there’s a nice set of big hackles, running along …

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2 January 2015

Friday folds: Cabbage Island, Maine

Friday folds: Cabbage Island, Maine

Devonian metamorphic rocks (garnet-bearing gneiss) exposed on the western side of Cabbage Island, Maine: And here it is in GigaPan form: link

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25 December 2014

The stromatolites of Helen Lake 2: GigaPans

Posted this morning as my “Christmas gift” to blog readers in both photo and GigaPan form, here are the exquisite stromatolites of Helen Lake, Banff National Park, Alberta. link link link link link link link Finally, three other non-stromatolitic GigaPans from the site: One of Artomys Formation siltstone / shale interbeds… link …and two of Cirque Peak itself, showing its gorgeous internal folding: link link Happy holidays to you!

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24 December 2014

A rock slide and a protalus rampart (?) on the trail to Helen Lake

A rock slide and a protalus rampart (?) on the trail to Helen Lake

A hike to Helen Lake, Banff National Park, Alberta, brings your intrepid geoblogger face to face with a fresh landslide and a curious landform parallel to the glacial valley. Is it a pro-talus rampart?

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22 December 2014

Digitate stromatolites

Digitate stromatolites

Want to see something cool? Itty bitty stromatolites… like baby’s fingers! There’s a big weathered-out stylolite at the base of this stromatolite-bearing layer, too.   These elfin stromatolites are part of the boulder in the lower left (foreground) of this GigaPan, taken at the Icefields Center parking area in Jasper National Park, Alberta: link

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19 December 2014

Friday Fold: Mist Mountain Formation in Canmore, Alberta

Friday Fold: Mist Mountain Formation in Canmore, Alberta

Let’s journey to the Cretaceous today, to see sandstones, shales, and even some coal strata that have been folded during the eastward thrusting that built the Canadian Rockies. Here’s the same fold, in context, shot in GigaPan on a different day, from a different angle. Can you match it up? link Ben Gadd showed me (and my field class) this site last summer. It’s a little west of Canmore. There’s …

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