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Callan Bentley's Snapshots

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  1. Geopetal structure

    Snapshot Title: Geopetal structure
    Taken by: Callan Bentley

    Image: Storm deposit in Reedsville Formation
    Image Owner: Callan Bentley



    Description:

    Shell, with graded bed of mud at the bottom, and sparry calcite filling the void space at top!



  2. Matterhorn

    Snapshot Title: Matterhorn
    Taken by: Callan Bentley

    Image: Zermatt Marathon
    Image Owner: M A



    Description:

    Awesome!



  3. Name this ridge

    Snapshot Title: Name this ridge
    Taken by: Callan Bentley

    Image: Darton Peak, WY
    Image Owner: Callan Bentley



    Description:

    A short section of arĂȘte.



  4. Crevasses
  5. Lateral moraine

    Snapshot Title: Lateral moraine
    Taken by: Callan Bentley

    Image: Athabasca Glacier with prominent lateral moraines
    Image Owner: Callan Bentley



    Description:

    Showing where the left side of the glacier used to be.



  6. U-shaped valley

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

    Image: Beartooth Highway
    Image Owner: Callan Bentley



    Description:

    Glacial geomorphology



  7. Fracture network

    Snapshot Title: Fracture network
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Highlighted with oxidation (light colors). Which fracture set came first? (left-dipping or right-dipping) Why?



  8. Empty socketq

    Snapshot Title: Empty socketq
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Where a carbonate nodule used to be.



  9. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    NOT highlighted with hematite... harder to spot



  10. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Burrow highlighted with hematite.



  11. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Highlighted with hematite



  12. Seed pod

    Snapshot Title: Seed pod
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Little wheat-like seed head



  13. Carbonate nodule

    Snapshot Title: Carbonate nodule
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    With radial fracture set.



  14. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Highlighted by hematite



  15. Carbonate nodule

    Snapshot Title: Carbonate nodule
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Weathering out relative to the fissile shale around it.



  16. Hackle fringes

    Snapshot Title: Hackle fringes
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Ruffled edge of a series of joints (propagating from top to bottom).



  17. Plumose structure

    Snapshot Title: Plumose structure
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Emanating from the hollow where a carbonate nodule used to be - a stress locus.



  18. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Highlighted by hematite



  19. Carbonate nodule cluster

    Snapshot Title: Carbonate nodule cluster
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Or maybe it's just one big crescent shaped one?



  20. Trace fossils

    Snapshot Title: Trace fossils
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Viewed end-on - circular cross-section. Highlighted with hematite.



  21. Carbonate nodule

    Snapshot Title: Carbonate nodule
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    .



  22. Cocoon?

    Snapshot Title: Cocoon?
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    :)



  23. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Highlighted by hematite



  24. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Highlighted with hematite



  25. Carbonate nodule

    Snapshot Title: Carbonate nodule
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    Diagenetic feature



  26. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Mahantango Formation, showing carbonate nodules
    Image Owner: Callan Bentley



    Description:

    This black bar is 10 cm long, left to right.



  27. Pyritized plant cells

    Snapshot Title: Pyritized plant cells
    Taken by: Callan Bentley

    Image: Diamictite
    Image Owner: Robin Rohrback-Schiavone



    Description:

    Lines of boxy plant (?) cells.



  28. Yeast cell

    Snapshot Title: Yeast cell
    Taken by: Callan Bentley

    Image: Migmatite on the Billy Goat Trail
    Image Owner: Robin Rohrback-Schiavone



    Description:

    Saccharomyces cerevisiae



  29. See the outcrop

    Snapshot Title: See the outcrop
    Taken by: Callan Bentley

    Image: Crazy Cat Breccia
    Image Owner: Robin Rohrback-Schiavone



    Description:

    To visit the outcrop where this sample was collected, click onto this outcrop GigaPan: www.gigapan.com/gigapans/165220



  30. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Crazy Cat breccia
    Image Owner: Joshua Villalobos



    Description:

    Here's a cut and polished sample from this site: www.gigapan.com/gigapans/162325



  31. House on a hill

    Snapshot Title: House on a hill
    Taken by: Callan Bentley

    Image: Massanutten Mountain as viewed from the Fort Valley Community Center and Library
    Image Owner: Callan Bentley



    Description:

    .



  32. Trace

    Snapshot Title: Trace
    Taken by: Callan Bentley

    Image: Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
    Image Owner: Callan Bentley



    Description:

    This burrow served as the conduit for oxidizing fluids that helped highlight its presence through the rusting of iron present in the burrow walls.



  33. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm tall.



  34. Trace

    Snapshot Title: Trace
    Taken by: Callan Bentley

    Image: Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
    Image Owner: Callan Bentley



    Description:

    This burrow served as the conduit for oxidizing fluids that helped highlight its presence through the rusting of iron present in the burrow walls.



  35. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Mahantango Formation showing trace fossils, Fort Valley Road, Virginia
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 cm tall.



  36. A closer look

    Snapshot Title: A closer look
    Taken by: Callan Bentley

    Image: Pennsylvanian Alleghanian Formation
    Image Owner: Joshua Benton



    Description:

    A macro GigaPan of lycopsid bark found at this site may be viewed here: www.gigapan.com/gigapans/162698



  37. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Ernietta Hill
    Image Owner: kaufman



    Description:

    Truck



  38. Acid test

    Snapshot Title: Acid test
    Taken by: Callan Bentley

    Image: Rippled Eldon Formation
    Image Owner: Callan Bentley



    Description:

    yes, it would fizz if you applied HCl to it.



  39. Ripple

    Snapshot Title: Ripple
    Taken by: Callan Bentley

    Image: Rippled Eldon Formation
    Image Owner: Callan Bentley



    Description:

    Ripple marks trend from the lower left to upper right in this sample.



  40. Calcite vein

    Snapshot Title: Calcite vein
    Taken by: Callan Bentley

    Image: Rippled Eldon Formation
    Image Owner: Callan Bentley



    Description:

    Healed fracture in the limestone.



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