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Callan Bentley's Snapshots

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  1. Fast currents...

    Snapshot Title: Fast currents...
    Taken by: Callan Bentley

    Image: Alluvium and soil profiles
    Image Owner: Callan Bentley



    Description:

    ...move big cobbles.



  2. Fireweed

    Snapshot Title: Fireweed
    Taken by: Callan Bentley

    Image: Alluvium and soil profiles
    Image Owner: Callan Bentley



    Description:

    A classic wildflower of the Canadian Rockies and points north.



  3. Soil horizons

    Snapshot Title: Soil horizons
    Taken by: Callan Bentley

    Image: Alluvium and soil profiles
    Image Owner: Callan Bentley



    Description:

    ...are dark and fine-grained compared to the alluvial gravel they grow on top of.



  4. Site of sedimentary deposition #3

    Snapshot Title: Site of sedimentary deposition #3
    Taken by: Callan Bentley

    Image: Stutfield Glacier, Jasper National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    End moraine (glacial till)



  5. Sediment deposition #2

    Snapshot Title: Sediment deposition #2
    Taken by: Callan Bentley

    Image: Stutfield Glacier, Jasper National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Colluvium cone (rockfall) / talus "slope"



  6. Sediment deposition site #1

    Snapshot Title: Sediment deposition site #1
    Taken by: Callan Bentley

    Image: Stutfield Glacier, Jasper National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Outwash gravels in braided stream.



  7. Another outsized clast

    Snapshot Title: Another outsized clast
    Taken by: Callan Bentley

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



    Description:

    This one of flaky greenish argillite/slate



  8. 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.



  9. 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.



  10. 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?



  11. 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



  12. 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.



  13. 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.



  14. 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?



  15. 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



  16. 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



  17. 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.



  18. 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.



  19. 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



  20. 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.



  21. Striations

    Snapshot Title: Striations
    Taken by: Callan Bentley

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



    Description:

    This boulder's been scratched by a glacier.



  22. Post depositional sorting

    Snapshot Title: Post depositional sorting
    Taken by: Callan Bentley

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



    Description:

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



  23. Cornice

    Snapshot Title: Cornice
    Taken by: Callan Bentley

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



    Description:

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



  24. A closer view

    Snapshot Title: A closer view
    Taken by: Callan Bentley

    Image: Athabasca Glacier with prominent 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



  25. Lateral moraine

    Snapshot Title: Lateral moraine
    Taken by: Callan Bentley

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



    Description:

    Couldn't ask for a nicer one.



  26. Differential weathering

    Snapshot Title: Differential weathering
    Taken by: Callan Bentley

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



    Description:

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



  27. Bergshrund

    Snapshot Title: Bergshrund
    Taken by: Callan Bentley

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



    Description:

    Big crevasse at glacial headwall.



  28. Tributary glacier

    Snapshot Title: Tributary glacier
    Taken by: Callan Bentley

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



    Description:

    Still filling its hanging valley...



  29. Brewster bus & tourists

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

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



    Description:

    Out on the ice



  30. 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.



  31. 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.



  32. 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!)



  33. 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.



  34. 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.



  35. 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.



  36. 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



  37. 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



  38. 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).



  39. 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.



  40. 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.



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