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Callan Bentley's Snapshots

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  1. 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!)



  2. 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.



  3. 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.



  4. 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.



  5. 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



  6. 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



  7. 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).



  8. 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.



  9. 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.



  10. 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.



  11. 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.



  12. 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.



  13. 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.



  14. 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...



  15. 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.



  16. 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.



  17. Moraine in progress

    Snapshot Title: Moraine in progress
    Taken by: Callan Bentley

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



    Description:

    As we photographed this, new material was added to the top of this growing pile...



  18. Shiny, wet ice

    Snapshot Title: Shiny, wet ice
    Taken by: Callan Bentley

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



    Description:

    mantled in till



  19. Digitate stromatolites

    Snapshot Title: Digitate stromatolites
    Taken by: Callan Bentley

    Image: Little A Glacier and Boundary Glacier, near Icefield Centre, Icefields Parkway, Jasper National Park, Alberta
    Image Owner: Callan Bentley



    Description:

    Tiny, finger-width stromatolites in this dark limestone layer.



  20. Striae

    Snapshot Title: Striae
    Taken by: Callan Bentley

    Image: Little A Glacier and Boundary Glacier, near Icefield Centre, Icefields Parkway, Jasper National Park, Alberta
    Image Owner: Callan Bentley



    Description:

    Glacial striations (scratches) on this boulder.



  21. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Little A Glacier and Boundary Glacier, near Icefield Centre, Icefields Parkway, Jasper National Park, Alberta
    Image Owner: Callan Bentley



    Description:

    (unfortunately, not in focus) - this is a normal sized mechanical pencil with 1-cm black bars on the side.



  22. Pencil for scale

    Snapshot Title: Pencil for scale
    Taken by: Callan Bentley

    Image: Till
    Image Owner: Callan Bentley



    Description:

    Each black bar on the side of this pencil is 1 cm in length.



  23. Siltstone/ shale contact

    Snapshot Title: Siltstone/ shale contact
    Taken by: Callan Bentley

    Image: Bow River Falls, Banff
    Image Owner: Callan Bentley



    Description:

    Alternating energy of deposition.



  24. Pencil for scale

    Snapshot Title: Pencil for scale
    Taken by: Callan Bentley

    Image: Bow River Falls, Banff
    Image Owner: Callan Bentley



    Description:

    Each black bar is 1 cm long.



  25. Rounded cobble

    Snapshot Title: Rounded cobble
    Taken by: Callan Bentley

    Image: Alluvial gravel, Bow River, Banff
    Image Owner: Callan Bentley



    Description:

    This looks like an 'easter egg' - a very well rounded cobble.



  26. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Alluvial gravel, Bow River, Banff
    Image Owner: Callan Bentley



    Description:

    The black bars on the side of this pencil are each 1 cm long.



  27. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Chancellor Group slate, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    For a more detailed look at this striking rock face, check out this close-up GigaPan: www.gigapan.com/gigapans/159478



  28. Bedding / cleavage relationships

    Snapshot Title: Bedding / cleavage relationships
    Taken by: Callan Bentley

    Image: Chancellor Group slate, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    These beds have been both folded and cleaved.



  29. Acid test

    Snapshot Title: Acid test
    Taken by: Callan Bentley

    Image: Chancellor Group slate, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    This rock will fizz if you drop HCl on it. Also note that the liquid in the bottle acts as a horizontal level.



  30. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Chancellor Group slate, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    The black bars on the side of this pencil are each 1 cm long.



  31. Structure, par excellence

    Snapshot Title: Structure, par excellence
    Taken by: Callan Bentley

    Image: Chancellor Group slate, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    Awesome look at the different structures that form in layers of variable composition. The upper stiff layer exhibits extensional fractures, while the lower more cleaved layer shows cleavage concentrat...



  32. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Chancellor Group slate, Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    This pencil serves as a sense of scale. The black bars on its side are each 1 cm long.



  33. Rip-up clasts

    Snapshot Title: Rip-up clasts
    Taken by: Callan Bentley

    Image: Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Mudchips speak of an earlier episode of low-energy deposition, followed by a violent erosive episode.



  34. Cross-bedding

    Snapshot Title: Cross-bedding
    Taken by: Callan Bentley

    Image: Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Which way was the current flowing?



  35. Scour channel incision

    Snapshot Title: Scour channel incision
    Taken by: Callan Bentley

    Image: Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Nice curved concave-up contact between coarse overlying bed and finer underlying bed.



  36. Scour channel base

    Snapshot Title: Scour channel base
    Taken by: Callan Bentley

    Image: Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    Trace this contact out to the left (overlying coarse bed gets thicker) and the right (overlying bed gets thinner).



  37. Acid test

    Snapshot Title: Acid test
    Taken by: Callan Bentley

    Image: Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    There is no reaction to HCl when applied to either fresh or powdered rock.



  38. Pencil for scale

    Snapshot Title: Pencil for scale
    Taken by: Callan Bentley

    Image: Miette gritstone with scour incision and mudchip rip-up clast-rich strata, Banff National Park, Alberta, Canada
    Image Owner: Callan Bentley



    Description:

    This pencil serves as a sense of scale. The black bars along its side are each 1 cm long.



  39. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Miette Group slate, Trans-Canada Highway and Icefields Parkway junction, Banff National Park
    Image Owner: Callan Bentley



    Description:

    See this elliptical thing? What is it? Check it out in more detail with this close-up GigaPan:
    www.gigapan.com/gigapans/159378



  40. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Miette Group slate, Trans-Canada Highway and Icefields Parkway junction, Banff National Park
    Image Owner: Callan Bentley



    Description:

    Examine this area in more detail with this GigaPan: www.gigapan.com/gigapans/159469



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