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Callan Bentley's Snapshots

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  1. Sand

    Snapshot Title: Sand
    Taken by: Callan Bentley

    Image: Holey Chesapecten jeffersonius
    Image Owner: Callan Bentley



    Description:

    A collection of sand hiding in one of the bore-holes.



  2. Trackway

    Snapshot Title: Trackway
    Taken by: Callan Bentley

    Image: Mudcracks at Höfn, Iceland
    Image Owner: Callan Bentley



    Description:

    Traces of some critter



  3. Mudcracks

    Snapshot Title: Mudcracks
    Taken by: Callan Bentley

    Image: Mudcracks at Höfn, Iceland
    Image Owner: Callan Bentley



    Description:

    showing well the concave shape of the main "plate".



  4. Camper van

    Snapshot Title: Camper van
    Taken by: Callan Bentley

    Image: Mudcracks at Höfn, Iceland
    Image Owner: Callan Bentley



    Description:

    One of many in this country



  5. Long axis

    Snapshot Title: Long axis
    Taken by: Callan Bentley

    Image: Stretched beach cobbles, Funzie Bay, Fetlar
    Image Owner: Callan Bentley



    Description:

    Derek Flinn would be interested in axial ratios on these clasts.



  6. Green cobble

    Snapshot Title: Green cobble
    Taken by: Callan Bentley

    Image: Stretched beach cobbles, Funzie Bay, Fetlar
    Image Owner: Callan Bentley



    Description:

    I wonder at its composition.



  7. Lens cap

    Snapshot Title: Lens cap
    Taken by: Callan Bentley

    Image: Stretched beach cobbles, Funzie Bay, Fetlar
    Image Owner: Callan Bentley



    Description:

    for scale



  8. Groundwater

    Snapshot Title: Groundwater
    Taken by: Callan Bentley

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



    Description:

    Leaking out of Papil Water and flowing down the beach to the ocean.



  9. 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").



  10. Outcrops

    Snapshot Title: Outcrops
    Taken by: Callan Bentley

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



    Description:

    of Dalradian metamorphic rocks.



  11. Human

    Snapshot Title: Human
    Taken by: Callan Bentley

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



    Description:

    for scale



  12. 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



  13. 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.



  14. 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.



  15. Scleractinian coral

    Snapshot Title: Scleractinian coral
    Taken by: Callan Bentley

    Image: Chesapecten middlesexensis
    Image Owner: Callan Bentley



    Description:

    overgrowth



  16. 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.



  17. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Chesapecten middlesexensis
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  18. Lovely green

    Snapshot Title: Lovely green
    Taken by: Callan Bentley

    Image: Verdite
    Image Owner: Callan Bentley



    Description:

    There's nothing else like it.



  19. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Verdite
    Image Owner: Callan Bentley



    Description:

    The black bar is 1 cm wide.



  20. 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?



  21. 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.



  22. 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.



  23. 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.



  24. 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.



  25. 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.



  26. Spinifex

    Snapshot Title: Spinifex
    Taken by: Callan Bentley

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



    Description:

    Needlelike olivines in chandelier-like clusters.



  27. 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.



  28. 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.



  29. Spinifex

    Snapshot Title: Spinifex
    Taken by: Callan Bentley

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



    Description:

    Olivine crystals



  30. 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.



  31. 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.



  32. 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



  33. Inclination

    Snapshot Title: Inclination
    Taken by: Callan Bentley

    Image: Rift Valley, Iceland
    Image Owner: Callan Bentley



    Description:

    Dike? steep slope covered in lava?



  34. 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?



  35. 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?



  36. Hordes

    Snapshot Title: Hordes
    Taken by: Callan Bentley

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



    Description:

    of tourists



  37. Photographer

    Snapshot Title: Photographer
    Taken by: Callan Bentley

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



    Description:

    Documenting the main falls.



  38. 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



  39. 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.



  40. 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.



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