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Callan Bentley's Snapshots

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  1. Muck

    Snapshot Title: Muck
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#8 of 8)
    Image Owner: Callan Bentley



    Description:

    Dirt from the overlying slopes has washed down over the outcrop surface.



  2. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientist Cliffs, Maryland (#5 of 8)
    Image Owner: Callan Bentley



    Description:

    Each of these black and white rectangles is 10 centimeters long.



  3. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#8 of 8)
    Image Owner: Callan Bentley



    Description:

    Each of these black and white rectangles is 10 centimeters tall.



  4. Pencil

    Snapshot Title: Pencil
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientist Cliffs, Maryland (#5 of 8)
    Image Owner: Callan Bentley



    Description:

    To serve as a sense of scale, we have included this yellow mechanical pencil with centimeter-scale markings along its side.



  5. Scale pencil

    Snapshot Title: Scale pencil
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#8 of 8)
    Image Owner: Callan Bentley



    Description:

    This mechanical pencil has centimeter lengths marked along its side.



  6. Zoom in for more details

    Snapshot Title: Zoom in for more details
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    This outcrop surface was shot at closer range, here:
    gigapan.com/gigapans/124828



  7. Zoom in for more details

    Snapshot Title: Zoom in for more details
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    This outcrop surface was shot at closer range, here:
    gigapan.com/gigapans/124828



  8. 10 cm

    Snapshot Title: 10 cm
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#4 of 8)
    Image Owner: Callan Bentley



    Description:

    This scale bar is marked in 10 centimeter segments.



  9. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#4 of 8)
    Image Owner: Callan Bentley



    Description:

    1 centimeter, on the side of a mechanical pencil.



  10. Outcrop face

    Snapshot Title: Outcrop face
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    The outcrop face here is oriented 338°, 80° (right-hand rule).



  11. Orientation

    Snapshot Title: Orientation
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    The outcrop face here is oriented 334°, 58° (right-hand rule).



  12. Orientation

    Snapshot Title: Orientation
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    The outcrop face here is oriented 338°, 80° (right hand rule).



  13. Outcrop face

    Snapshot Title: Outcrop face
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    Orientation of the exposure face is 334°, 58° (right hand rule).



  14. Charcoal

    Snapshot Title: Charcoal
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    Land can't have been too far away...



  15. Worm burrow

    Snapshot Title: Worm burrow
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    in the shelly bed.



  16. Scallops

    Snapshot Title: Scallops
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    Two pectens poke out like corrugated awnings.



  17. Turitella

    Snapshot Title: Turitella
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    High-spiralled snail



  18. Pecten

    Snapshot Title: Pecten
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    Edge of a scallop, with its corrugated shell.



  19. Groin

    Snapshot Title: Groin
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    "Revetments" of caged rip rap (stone) extend perpendicular to the shoreline here. By measuring the distance from this point to the shore on both the left (south) and right (north), you will be able to...



  20. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    Each of these rectangles is 10 centimeters long (tall).



  21. Worm burrow

    Snapshot Title: Worm burrow
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    Light gray color; finer-grained sediment



  22. Palimpsest

    Snapshot Title: Palimpsest
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    A worm burrow (fine-grained; light gray) overprinted by a crab burrow (smaller diameter, full of shelley debris).



  23. Crab burrow

    Snapshot Title: Crab burrow
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    filled in with shelly detritus



  24. Icicle

    Snapshot Title: Icicle
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    It was not warm on the day I shot this image.



  25. Worm burrow

    Snapshot Title: Worm burrow
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    filled in with finer-grained (post-digestion) sediment



  26. Buried alive

    Snapshot Title: Buried alive
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    The articulation of these valves suggests that this clam was buried whole, and didn't have a chance to rot or have its valves (shells) disarticulated before burial. Maybe it was even buried alive!



  27. Pencil for scale

    Snapshot Title: Pencil for scale
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#2 of 8)
    Image Owner: Callan Bentley



    Description:

    Centimeters marked along the side.



  28. Look closer

    Snapshot Title: Look closer
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    The left (south) half of this outcrop was imaged separately, closer up (and hence in more detail) here:
    gigapan.com/gigapans/124805



  29. Logo

    Snapshot Title: Logo
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    GigaPan EPIC Pro backpack - an essential piece of gear.



  30. Landslide

    Snapshot Title: Landslide
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    Can you work out a landslide history of this slope on the basis of vegetative cover (or lack thereof)?



  31. Shooting error

    Snapshot Title: Shooting error
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    When I was shooting, I had the camera on auto-focus. It has a hard time deciding what to focus on when aimed at empty sky (for instance, adjacent to this tree branch). In the time it takes for the cam...



  32. Sand sampled

    Snapshot Title: Sand sampled
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    Want to see a petri dish full of sand from this location in "macro" GigaPan view? Try this:
    gigapan.com/gigapans/126987



  33. Macro boulder

    Snapshot Title: Macro boulder
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    This boulder was collected for macro GigaPan imaging.



  34. Bucket

    Snapshot Title: Bucket
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    We used this bucket to slosh Bay water over the outcrop and clean it.



  35. Look closer

    Snapshot Title: Look closer
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    The right (north) half of this outcrop was imaged separately, closer up (and hence in more detail) here:
    gigapan.com/gigapans/124804



  36. Scale pencil

    Snapshot Title: Scale pencil
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    Black bars along the side of this yellow mechanical pencil are each 1 centimeter in length.



  37. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#1 of 8)
    Image Owner: Callan Bentley



    Description:

    Each of the rectangles on this reference stick are 10 cm long (tall).



  38. Buried alive

    Snapshot Title: Buried alive
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    The articulation of these valves suggests that this clam was buried whole, and didn't have a chance to rot or have its valves (shells) disarticulated before burial. Maybe it was even buried alive!



  39. Whale rib

    Snapshot Title: Whale rib
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    This is a partial excavation around a whale rib that extends back into the face of the cliff.



  40. Charcoal

    Snapshot Title: Charcoal
    Taken by: Callan Bentley

    Image: Calvert Formation, Scientists' Cliffs, Maryland (#3 of 8)
    Image Owner: Callan Bentley



    Description:

    A large piece of Miocene charcoal is present in this deposit.



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