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Callan Bentley's Snapshots

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  1. U-shaped valley

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

    Image: Beartooth Highway
    Image Owner: Callan Bentley



    Description:

    Glacial geomorphology



  2. 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?



  3. 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.



  4. 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



  5. 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.



  6. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

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



    Description:

    Highlighted with hematite



  7. 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



  8. 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.



  9. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

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



    Description:

    Highlighted by hematite



  10. 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.



  11. 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).



  12. 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.



  13. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

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



    Description:

    Highlighted by hematite



  14. 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?



  15. 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.



  16. Carbonate nodule

    Snapshot Title: Carbonate nodule
    Taken by: Callan Bentley

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



    Description:

    .



  17. Cocoon?

    Snapshot Title: Cocoon?
    Taken by: Callan Bentley

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



    Description:

    :)



  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. Trace fossil

    Snapshot Title: Trace fossil
    Taken by: Callan Bentley

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



    Description:

    Highlighted with hematite



  20. Carbonate nodule

    Snapshot Title: Carbonate nodule
    Taken by: Callan Bentley

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



    Description:

    Diagenetic feature



  21. 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.



  22. Pyritized plant cells

    Snapshot Title: Pyritized plant cells
    Taken by: Callan Bentley

    Image: Diamictite
    Image Owner: Robin Rohrback



    Description:

    Lines of boxy plant (?) cells.



  23. Yeast cell

    Snapshot Title: Yeast cell
    Taken by: Callan Bentley

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



    Description:

    Saccharomyces cerevisiae



  24. See the outcrop

    Snapshot Title: See the outcrop
    Taken by: Callan Bentley

    Image: Crazy Cat Breccia
    Image Owner: Robin Rohrback



    Description:

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



  25. 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



  26. 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:

    .



  27. 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.



  28. 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.



  29. 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.



  30. 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.



  31. 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



  32. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Ernietta Hill
    Image Owner: kaufman



    Description:

    Truck



  33. 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.



  34. 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.



  35. Calcite vein

    Snapshot Title: Calcite vein
    Taken by: Callan Bentley

    Image: Rippled Eldon Formation
    Image Owner: Callan Bentley



    Description:

    Healed fracture in the limestone.



  36. Trace fossils

    Snapshot Title: Trace fossils
    Taken by: Callan Bentley

    Image: Rippled Eldon Formation
    Image Owner: Callan Bentley



    Description:

    bedding-parallel burrows



  37. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Rippled Eldon Formation
    Image Owner: Callan Bentley



    Description:

    Canadian one-dollar coin (a loony).



  38. Bedding

    Snapshot Title: Bedding
    Taken by: Callan Bentley

    Image: Chancellor Formation slate, near Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    Alternating light and dark lines are the traces of primary sedimentary stratification (bedding).



  39. Cleavage

    Snapshot Title: Cleavage
    Taken by: Callan Bentley

    Image: Chancellor Formation slate, near Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    This rock is dominated by a pervasive slaty cleavage, and this cleavage provides the prominent planes (cross-cutting bedding) that are the main focus of the image.



  40. Bedding

    Snapshot Title: Bedding
    Taken by: Callan Bentley

    Image: Chancellor Formation slate, near Yoho National Park, British Columbia, Canada
    Image Owner: Callan Bentley



    Description:

    The colored layers in this rock are primary sedimentary stratification, or bedding.



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