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Callan Bentley's Snapshots

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  1. Quartz vein

    Snapshot Title: Quartz vein
    Taken by: Callan Bentley

    Image: Miette gritstone with outsized clast, southern Icefields Parkway, Banff National Park
    Image Owner: Callan Bentley



    Description:

    A little structural geology to complicate the picture a bit.



  2. Missing clast

    Snapshot Title: Missing clast
    Taken by: Callan Bentley

    Image: Miette gritstone with outsized clast, southern Icefields Parkway, Banff National Park
    Image Owner: Callan Bentley



    Description:

    Another clast has weathered out from here, it would appear.



  3. Antiform

    Snapshot Title: Antiform
    Taken by: Callan Bentley

    Image: Mist Mountain Formation (Kootenay Group), Canmore, Alberta
    Image Owner: Callan Bentley



    Description:

    But is it upright?



  4. Cross-section

    Snapshot Title: Cross-section
    Taken by: Callan Bentley

    Image: Helen Lake stromatolites, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    showing internal layering "doming" upward



  5. Stromatolite layers

    Snapshot Title: Stromatolite layers
    Taken by: Callan Bentley

    Image: Helen Lake stromatolites, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    This is a "plan" view (bedding parallel) outcrop.



  6. Eldon

    Snapshot Title: Eldon
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (inside view)
    Image Owner: Callan Bentley



    Description:

    Outcrop of Eldon Formation, showing subvertical bedding, extensional fractures, and glacial striations.



  7. Lines!

    Snapshot Title: Lines!
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (inside view)
    Image Owner: Callan Bentley



    Description:

    Which set of lines represents the trace of bedding layers? Which set represents glacial striations on the surface of the boulder?



  8. Runout

    Snapshot Title: Runout
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (inside view)
    Image Owner: Callan Bentley



    Description:

    from debris flow. Note prominent levees



  9. Source area

    Snapshot Title: Source area
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (inside view)
    Image Owner: Callan Bentley



    Description:

    for debris flow



  10. Crevasse array

    Snapshot Title: Crevasse array
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (end-on view)
    Image Owner: Callan Bentley



    Description:

    Lovely set of extensional crevasses.



  11. Tourist brigade

    Snapshot Title: Tourist brigade
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (end-on view)
    Image Owner: Callan Bentley



    Description:

    The Brewster company brings people out to the ice.



  12. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (end-on view)
    Image Owner: Callan Bentley



    Description:

    Take a closer look at the dirty terminus of the glacier in this GigaPan: www.gigapan.com/gigapans/159514



  13. Faceted clast

    Snapshot Title: Faceted clast
    Taken by: Callan Bentley

    Image: South lateral moraine, Athabasca Glacier (end-on view)
    Image Owner: Callan Bentley



    Description:

    A classic example of "faceted" morphology.



  14. Striations

    Snapshot Title: Striations
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    This boulder's been scratched by a glacier.



  15. Post depositional sorting

    Snapshot Title: Post depositional sorting
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Of till into a more concentrated coarse deposit at the base of the moraine.



  16. Cornice

    Snapshot Title: Cornice
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Showing layers of snow. You don't want to walk on top of this thing.



  17. A closer view

    Snapshot Title: A closer view
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Here's a more direct GigaPan of the Little A Glacier and adjacent Boundary Glacier: www.gigapan.com/gigapans/159489



  18. Lateral moraine

    Snapshot Title: Lateral moraine
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Couldn't ask for a nicer one.



  19. Differential weathering

    Snapshot Title: Differential weathering
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Cliff/slope/cliff trio indicates a weak layer between two resistant layers.



  20. Bergshrund

    Snapshot Title: Bergshrund
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Big crevasse at glacial headwall.



  21. Tributary glacier

    Snapshot Title: Tributary glacier
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Still filling its hanging valley...



  22. Brewster bus & tourists

    Snapshot Title: Brewster bus & tourists
    Taken by: Callan Bentley

    Image: Athabasca Glacier with promninent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Out on the ice



  23. Cleavage deflection

    Snapshot Title: Cleavage deflection
    Taken by: Callan Bentley

    Image: Boudinaged sandstone layer within Miette Group slate, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Slaty cleavage "pooches" into the boudin neck to the left.



  24. Extensional veining

    Snapshot Title: Extensional veining
    Taken by: Callan Bentley

    Image: Boudinaged sandstone layer within Miette Group slate, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    cutting across bedding.



  25. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Boudinaged sandstone layer within Miette Group slate, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    These sunglasses serve as a sense of scale (and a reflection of partly cloudy conditions during the GigaPan shoot!)



  26. Bedding dominant

    Snapshot Title: Bedding dominant
    Taken by: Callan Bentley

    Image: Natural Bridge, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    Here, primary sedimentary stratification is dominant in controlling the shape of the outcrop.



  27. Cleavage dominant

    Snapshot Title: Cleavage dominant
    Taken by: Callan Bentley

    Image: Natural Bridge, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    Here, a tectonic cleavage is dominant in controlling the shape of the outcrop.



  28. Mobile GigaPan unit

    Snapshot Title: Mobile GigaPan unit
    Taken by: Callan Bentley

    Image: Icefield Centre, Jasper National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Our wheels in the Canadian Rockies.



  29. Boulder view

    Snapshot Title: Boulder view
    Taken by: Callan Bentley

    Image: Icefield Centre, Jasper National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    To see what this boulder sees, click here: www.gigapan.com/gigapans/159489



  30. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Icefield Centre, Jasper National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Want to examine this pile of till in more detail? Click here: www.gigapan.com/gigapans/159488



  31. Remediation

    Snapshot Title: Remediation
    Taken by: Callan Bentley

    Image: Flood deposits on Evan Thomas Creek, Kananaskis Trail, Alberta
    Image Owner: Callan Bentley



    Description:

    This is an artificial deposit of boulders/riprap designed to protect the bridge downstream (vantage point of the image).



  32. Such a little trickle

    Snapshot Title: Such a little trickle
    Taken by: Callan Bentley

    Image: Flood deposits on Evan Thomas Creek, Kananaskis Trail, Alberta
    Image Owner: Callan Bentley



    Description:

    Today, there's only a tiny percentage of the water that roared through this gully during the peak of flooding.



  33. Overhanging flap of soil

    Snapshot Title: Overhanging flap of soil
    Taken by: Callan Bentley

    Image: Flood deposits on Evan Thomas Creek, Kananaskis Trail, Alberta
    Image Owner: Callan Bentley



    Description:

    Where the underlying alluvium has been cut away by the floods.



  34. Ram watching

    Snapshot Title: Ram watching
    Taken by: Callan Bentley

    Image: Mt. Kidd, Kananaskis Trail, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    This car is pulled over to watch a male bighorn ram cross the road. Unfortunately, the ram made it into the vegetation before the GigaPan caught up with him.



  35. Northern terminus of the Lewis Thrust

    Snapshot Title: Northern terminus of the Lewis Thrust
    Taken by: Callan Bentley

    Image: Mt. Kidd, Kananaskis Trail, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    This is where the Lewis Thrust (a famous "overthrust" fault that underlies Glacier National Park, Montana, to the south) dies out and becomes simply an anticline future north along strike.



  36. Kink band

    Snapshot Title: Kink band
    Taken by: Callan Bentley

    Image: Kink banding in Eldon Formation carbonates, exposed on roche moutonee east of Athabasca Glacier
    Image Owner: Callan Bentley



    Description:

    The strata are kinked here with a dextral sense of shear.



  37. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Kink banding in Eldon Formation carbonates, exposed on roche moutonee east of Athabasca Glacier
    Image Owner: Callan Bentley



    Description:

    A "loony," the Canadian one-dollar coin.



  38. Subglacial channel

    Snapshot Title: Subglacial channel
    Taken by: Callan Bentley

    Image: Dirty terminus of the Athabasca Glacier
    Image Owner: Callan Bentley



    Description:

    Water pouring out...



  39. Insulating blanket

    Snapshot Title: Insulating blanket
    Taken by: Callan Bentley

    Image: Dirty terminus of the Athabasca Glacier
    Image Owner: Callan Bentley



    Description:

    of till, atop the glacier.



  40. Clean ice

    Snapshot Title: Clean ice
    Taken by: Callan Bentley

    Image: Dirty terminus of the Athabasca Glacier
    Image Owner: Callan Bentley



    Description:

    A little glimpse of clean, bluish-tinged glacial ice.



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