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Callan Bentley's Snapshots

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  1. Gravel

    Snapshot Title: Gravel
    Taken by: Callan Bentley

    Image: Ronasvoe and Ronas Hill, Shetland
    Image Owner: Callan Bentley



    Description:

    Check out some of this gravel here: gigapan.com/gigapans/195445



  2. Sand

    Snapshot Title: Sand
    Taken by: Callan Bentley

    Image: Ronasvoe and Ronas Hill, Shetland
    Image Owner: Callan Bentley



    Description:

    Check it out here: a GIGAmacro of a Petri dish full of it: gigapan.com/gigapans/189896



  3. Parking near this building

    Snapshot Title: Parking near this building
    Taken by: Callan Bentley

    Image: Lake strata, Yesnaby Coast, Orkney
    Image Owner: Callan Bentley



    Description:

    Just over the lip of the hill.



  4. Birding

    Snapshot Title: Birding
    Taken by: Callan Bentley

    Image: Lake strata, Yesnaby Coast, Orkney
    Image Owner: Callan Bentley



    Description:

    Checking out the avian residents.



  5. Contemplating the geology?

    Snapshot Title: Contemplating the geology?
    Taken by: Callan Bentley

    Image: Lake strata, Yesnaby Coast, Orkney
    Image Owner: Callan Bentley



    Description:

    Or something else worth paying attention to?



  6. Snoozing bird

    Snapshot Title: Snoozing bird
    Taken by: Callan Bentley

    Image: Lake strata, Yesnaby Coast, Orkney
    Image Owner: Callan Bentley



    Description:

    Shhhh



  7. Weathered

    Snapshot Title: Weathered
    Taken by: Callan Bentley

    Image: Weathered and jointed ignimbrite, Grind of the Navir, Shetland
    Image Owner: Callan Bentley



    Description:

    ignimbrite is black



  8. Fresh

    Snapshot Title: Fresh
    Taken by: Callan Bentley

    Image: Weathered and jointed ignimbrite, Grind of the Navir, Shetland
    Image Owner: Callan Bentley



    Description:

    ignimbrite is pink



  9. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Weathered and jointed ignimbrite, Grind of the Navir, Shetland
    Image Owner: Callan Bentley



    Description:

    Lens cap



  10. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    At a foram from this sand sample: gigapan.com/gigapans/195395 (Scanning Electron Micrograph)



  11. pteropod shell

    Snapshot Title: pteropod shell
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    or merely a small example of a typical benthic gastropod?



  12. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    at a sea urchin spine, via the scanning electron microscope: gigapan.com/gigapans/195396



  13. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Fish fossil from Green River Formation
    Image Owner: Callan Bentley



    Description:

    1 cm wide.



  14. Calculate Stretch

    Snapshot Title: Calculate Stretch
    Taken by: Callan Bentley

    Image: Boudinaged tourmalines in Setters Schist, Maryland
    Image Owner: Callan Bentley



    Description:

    compare initial to final length.



  15. Conchoidal fractures

    Snapshot Title: Conchoidal fractures
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    Define this quartz sand grain.



  16. Sea urchin

    Snapshot Title: Sea urchin
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    Spine



  17. Foram

    Snapshot Title: Foram
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    Gorgeous!



  18. Foram

    Snapshot Title: Foram
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    Lovely



  19. Sea urchin spines

    Snapshot Title: Sea urchin spines
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    Fresh or weathered?



  20. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Sand from Playa Rocosa De Piñones, Puerto Rico
    Image Owner: Callan Bentley



    Description:

    Petri dish is 9 cm in diameter.



  21. Calculate elongation

    Snapshot Title: Calculate elongation
    Taken by: Callan Bentley

    Image: Boudinaged tourmaline in Setters Schist
    Image Owner: Callan Bentley



    Description:

    Compare original length to final length.



  22. Calculate stretch

    Snapshot Title: Calculate stretch
    Taken by: Callan Bentley

    Image: Boudinaged tourmaline in Setters Schist
    Image Owner: Callan Bentley



    Description:

    Compare the original length to the final length.



  23. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Boudinaged tourmaline in Setters Schist
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  24. Garnet

    Snapshot Title: Garnet
    Taken by: Callan Bentley

    Image: Garnet schist
    Image Owner: Callan Bentley



    Description:

    Porphyroblast



  25. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Garnet schist
    Image Owner: Callan Bentley



    Description:

    1 cm "tall" black bar.



  26. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Wrinkly crenulation folds in marble
    Image Owner: Callan Bentley



    Description:

    1 cm wide.



  27. Split

    Snapshot Title: Split
    Taken by: Callan Bentley

    Image: Wrinkly crenulation folds in marble
    Image Owner: Callan Bentley



    Description:

    What's going on here?



  28. Highly foliated texture

    Snapshot Title: Highly foliated texture
    Taken by: Callan Bentley

    Image: Shear zone in granite
    Image Owner: Callan Bentley



    Description:

    Sheared out. Note ribboned quartz with orthogonal fracturing.



  29. Typical texture

    Snapshot Title: Typical texture
    Taken by: Callan Bentley

    Image: Shear zone in granite
    Image Owner: Callan Bentley



    Description:

    Phaneritic



  30. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Shear zone in granite
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm wide.



  31. Sea urchin spine

    Snapshot Title: Sea urchin spine
    Taken by: Callan Bentley

    Image: Sediment from Blackbird Caye, Turneffe Atoll, Belize
    Image Owner: Robin Rohrback



    Description:

    Fairly weathered



  32. Foram

    Snapshot Title: Foram
    Taken by: Callan Bentley

    Image: Sediment from Blackbird Caye, Turneffe Atoll, Belize
    Image Owner: Robin Rohrback



    Description:

    See a scanning electron micrograph GigaPan of this little fellow here:
    gigapan.com/gigapans/195029



  33. Geopetal

    Snapshot Title: Geopetal
    Taken by: Callan Bentley

    Image: Crossbedded Red Sandstone with Lichen
    Image Owner: Robin Rohrback



    Description:

    Which way's up?



  34. Slabbed and polished

    Snapshot Title: Slabbed and polished
    Taken by: Callan Bentley

    Image: Crossbedded Red Sandstone with Lichen
    Image Owner: Robin Rohrback



    Description:

    compare to other



  35. Weathered exterior

    Snapshot Title: Weathered exterior
    Taken by: Callan Bentley

    Image: Crossbedded Red Sandstone with Lichen
    Image Owner: Robin Rohrback



    Description:

    compare to other



  36. Geopetal

    Snapshot Title: Geopetal
    Taken by: Callan Bentley

    Image: Crossbedded Red Sandstone with Lichen
    Image Owner: Robin Rohrback



    Description:

    Which way's up?



  37. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Pseudotachylyte
    Image Owner: Callan Bentley



    Description:

    This blue box is 1 cm wide.



  38. Hidden message

    Snapshot Title: Hidden message
    Taken by: Callan Bentley

    Image: Granite
    Image Owner: Callan Bentley



    Description:

    About the scale.



  39. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Granite
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm "tall."



  40. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Shear zone in gabbro
    Image Owner: Callan Bentley



    Description:

    1 cm "tall" black bar



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