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Callan Bentley's Snapshots

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  1. Papil Water

    Snapshot Title: Papil Water
    Taken by: Callan Bentley

    Image: Papil Water, Fetlar, Shetland
    Image Owner: Callan Bentley



    Description:

    This freshwater loch is Papil Water. The name comes from an old version of "Papal" (as in the Catholic sense of "holy").



  2. Outcrops

    Snapshot Title: Outcrops
    Taken by: Callan Bentley

    Image: Papil Water, Fetlar, Shetland
    Image Owner: Callan Bentley



    Description:

    of Dalradian metamorphic rocks.



  3. Human

    Snapshot Title: Human
    Taken by: Callan Bentley

    Image: Papil Water, Fetlar, Shetland
    Image Owner: Callan Bentley



    Description:

    for scale



  4. Serpentinite

    Snapshot Title: Serpentinite
    Taken by: Callan Bentley

    Image: Metamorphic cobbles on a beach on Fetlar
    Image Owner: Callan Bentley



    Description:

    Cobble of metamorphosed oceanic crust



  5. Lens cap

    Snapshot Title: Lens cap
    Taken by: Callan Bentley

    Image: Metamorphic cobbles on a beach on Fetlar
    Image Owner: Callan Bentley



    Description:

    to serve as a sense of scale.



  6. Coral polyp base

    Snapshot Title: Coral polyp base
    Taken by: Callan Bentley

    Image: Chesapecten middlesexensis
    Image Owner: Callan Bentley



    Description:

    Note heaxagonal shape and radiating septae.



  7. Scleractinian coral

    Snapshot Title: Scleractinian coral
    Taken by: Callan Bentley

    Image: Chesapecten middlesexensis
    Image Owner: Callan Bentley



    Description:

    overgrowth



  8. Healed wound?

    Snapshot Title: Healed wound?
    Taken by: Callan Bentley

    Image: Chesapecten middlesexensis
    Image Owner: Callan Bentley



    Description:

    Ribs seem to "wrap" around this hole.



  9. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Chesapecten middlesexensis
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  10. Lovely green

    Snapshot Title: Lovely green
    Taken by: Callan Bentley

    Image: Verdite
    Image Owner: Callan Bentley



    Description:

    There's nothing else like it.



  11. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Verdite
    Image Owner: Callan Bentley



    Description:

    The black bar is 1 cm wide.



  12. Cross bedding

    Snapshot Title: Cross bedding
    Taken by: Callan Bentley

    Image: Cross beds in komatiitic ash deposits
    Image Owner: Callan Bentley



    Description:

    Inclined lines are cross-laminations. Which way was the current flowing?



  13. Truncation

    Snapshot Title: Truncation
    Taken by: Callan Bentley

    Image: Cross beds in komatiitic ash deposits
    Image Owner: Callan Bentley



    Description:

    of cross beds by overlying massive bed.



  14. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Cross beds in komatiitic ash deposits
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  15. Spinifex needles

    Snapshot Title: Spinifex needles
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    Radiating out in a fan.



  16. Weathered spinifex

    Snapshot Title: Weathered spinifex
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    They show up nicely on the weathered surfaces.



  17. Weathering rind

    Snapshot Title: Weathering rind
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    Nice rusty exterior to these komatiites.



  18. Spinifex

    Snapshot Title: Spinifex
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    Needlelike olivines in chandelier-like clusters.



  19. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  20. Weathering rind

    Snapshot Title: Weathering rind
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    Ultramafic lava isn't happy at Earth's surface.



  21. Spinifex

    Snapshot Title: Spinifex
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    Olivine crystals



  22. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Komatiite, Barberton Greenstone Belt
    Image Owner: Callan Bentley



    Description:

    1 cm wide black bars along the top.



  23. U-shaped valley

    Snapshot Title: U-shaped valley
    Taken by: Callan Bentley

    Image: Rift Valley, Iceland
    Image Owner: Callan Bentley



    Description:

    Evidently, a glacier once flowed through here.



  24. Lots of lava

    Snapshot Title: Lots of lava
    Taken by: Callan Bentley

    Image: Rift Valley, Iceland
    Image Owner: Callan Bentley



    Description:

    Stack after stack of basalt



  25. Inclination

    Snapshot Title: Inclination
    Taken by: Callan Bentley

    Image: Rift Valley, Iceland
    Image Owner: Callan Bentley



    Description:

    Dike? steep slope covered in lava?



  26. Fault?

    Snapshot Title: Fault?
    Taken by: Callan Bentley

    Image: Rift Valley, Iceland
    Image Owner: Callan Bentley



    Description:

    or just an apparent offset, reflective of a pre-eruptive landscape?



  27. Peekaboo!

    Snapshot Title: Peekaboo!
    Taken by: Callan Bentley

    Image: Goðafoss; upper gorge, Iceland.
    Image Owner: Callan Bentley



    Description:

    Covering up against the harsh Icelandic sun?



  28. Hordes

    Snapshot Title: Hordes
    Taken by: Callan Bentley

    Image: Goðafoss; lower gorge, Iceland.
    Image Owner: Callan Bentley



    Description:

    of tourists



  29. Photographer

    Snapshot Title: Photographer
    Taken by: Callan Bentley

    Image: Goðafoss; lower gorge, Iceland.
    Image Owner: Callan Bentley



    Description:

    Documenting the main falls.



  30. Person for scale

    Snapshot Title: Person for scale
    Taken by: Callan Bentley

    Image: Goðafoss; lower gorge, Iceland.
    Image Owner: Callan Bentley



    Description:

    Crossing the bridge



  31. Team GigaPan

    Snapshot Title: Team GigaPan
    Taken by: Callan Bentley

    Image: Goðafoss; lower gorge, Iceland.
    Image Owner: Callan Bentley



    Description:

    2/3 of them, anyhow.



  32. Van Sweet Van

    Snapshot Title: Van Sweet Van
    Taken by: Callan Bentley

    Image: Pseudocraters at Lake Mývatn, Iceland
    Image Owner: Callan Bentley



    Description:

    My home for the week.



  33. Sense of scale II

    Snapshot Title: Sense of scale II
    Taken by: Callan Bentley

    Image: Pseudocraters at Lake Mývatn, Iceland
    Image Owner: Callan Bentley



    Description:

    Another person to provide a scale calibration.



  34. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Pseudocraters at Lake Mývatn, Iceland
    Image Owner: Callan Bentley



    Description:

    Inadvertent field assistants.



  35. Example label

    Snapshot Title: Example label
    Taken by: Callan Bentley

    Image: Red cross-beds (annotated)
    Image Owner: Callan Bentley



    Description:

    Showing sites where older cross-beds are truncated against the bottom of younger beds.



  36. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Red cross-beds (annotated)
    Image Owner: Callan Bentley



    Description:

    Black bar is 1 cm in width



  37. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Komatiitic ash (meteorite impact layer), Barberton Greenstone Belt, South Africa
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  38. Longitudinal fractures

    Snapshot Title: Longitudinal fractures
    Taken by: Callan Bentley

    Image: Spinifex texture in komatiite, Barberton Greenstone Belt, South Africa
    Image Owner: Callan Bentley



    Description:

    Cutting across the crystals orthogonal to their long axis (shortest distance required to break them).



  39. Spinifex

    Snapshot Title: Spinifex
    Taken by: Callan Bentley

    Image: Spinifex texture in komatiite, Barberton Greenstone Belt, South Africa
    Image Owner: Callan Bentley



    Description:

    Nice diverging "V" shape seen here.



  40. Relatively fresh surface

    Snapshot Title: Relatively fresh surface
    Taken by: Callan Bentley

    Image: Spinifex texture in komatiite, Barberton Greenstone Belt, South Africa
    Image Owner: Callan Bentley



    Description:

    To contrast with the rest of the sample.



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