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Callan Bentley's Snapshots

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  1. Andrew

    Snapshot Title: Andrew
    Taken by: Callan Bentley

    Image: White Mountain escarpment, Wyoming
    Image Owner: Callan Bentley



    Description:

    Calves being bit by bugs!



  2. Stromatolite

    Snapshot Title: Stromatolite
    Taken by: Callan Bentley

    Image: White Mountain escarpment, Wyoming
    Image Owner: Callan Bentley



    Description:

    hollowed out, apparently, by erosion



  3. Ed

    Snapshot Title: Ed
    Taken by: Callan Bentley

    Image: White Mountain escarpment, Wyoming
    Image Owner: Callan Bentley



    Description:

    with sample bags



  4. Lone Wolf

    Snapshot Title: Lone Wolf
    Taken by: Callan Bentley

    Image: White Mountain escarpment, Wyoming
    Image Owner: Callan Bentley



    Description:

    geologizing on his own



  5. The Sheridan College energy team checks out

    Snapshot Title: The Sheridan College energy team checks out
    Taken by: Callan Bentley

    Image: White Mountain escarpment, Wyoming
    Image Owner: Callan Bentley



    Description:

    the outcrops of oil shale on the hillside.



  6. Amphibolite boudin

    Snapshot Title: Amphibolite boudin
    Taken by: Callan Bentley

    Image: Beartrap Canyon, Montana
    Image Owner: Callan Bentley



    Description:

    .



  7. Camper van

    Snapshot Title: Camper van
    Taken by: Callan Bentley

    Image: Beartrap Canyon, Montana
    Image Owner: Callan Bentley



    Description:

    parked on BLM land



  8. Tents

    Snapshot Title: Tents
    Taken by: Callan Bentley

    Image: Beartrap Canyon, Montana
    Image Owner: Callan Bentley



    Description:

    in a campsite



  9. Foliation

    Snapshot Title: Foliation
    Taken by: Callan Bentley

    Image: Beartrap Canyon, Montana
    Image Owner: Callan Bentley



    Description:

    and jointing



  10. Old bridge pylon

    Snapshot Title: Old bridge pylon
    Taken by: Callan Bentley

    Image: Beartrap Canyon, Montana
    Image Owner: Callan Bentley



    Description:

    for a bridge that isn't there anymore.



  11. Granite dike

    Snapshot Title: Granite dike
    Taken by: Callan Bentley

    Image: Beartrap Canyon, Montana
    Image Owner: Callan Bentley



    Description:

    cutting foliated Archean basement



  12. Apparent offset

    Snapshot Title: Apparent offset
    Taken by: Callan Bentley

    Image: Deer Mountain Tephra Unconformity
    Image Owner: ahochstaedter



    Description:

    Is this a fault?



  13. Imbrication

    Snapshot Title: Imbrication
    Taken by: Callan Bentley

    Image: Carmel Valley River Depoits
    Image Owner: ahochstaedter



    Description:

    Pattern suggests that the current flow was from the right towards the left.



  14. Butte or mesa?

    Snapshot Title: Butte or mesa?
    Taken by: Callan Bentley

    Image: Boar's Tusk and Killpecker Dunes, Wyoming
    Image Owner: Callan Bentley



    Description:

    I'd say this one's on the borderline.



  15. Moo bear

    Snapshot Title: Moo bear
    Taken by: Callan Bentley

    Image: Boar's Tusk and Killpecker Dunes, Wyoming
    Image Owner: Callan Bentley



    Description:

    Common in these parts.



  16. Detritus

    Snapshot Title: Detritus
    Taken by: Callan Bentley

    Image: Boar's Tusk and Killpecker Dunes, Wyoming
    Image Owner: Callan Bentley



    Description:

    Shale, marlstone, limestone, and sandstone fragments weathered off of White Mountain, an escarpment of Eocene-aged Green River Formation to the west.



  17. Dune partially stabilized by vegetation

    Snapshot Title: Dune partially stabilized by vegetation
    Taken by: Callan Bentley

    Image: Boar's Tusk and Killpecker Dunes, Wyoming
    Image Owner: Callan Bentley



    Description:

    .



  18. The Killpecker Dunes

    Snapshot Title: The Killpecker Dunes
    Taken by: Callan Bentley

    Image: Boar's Tusk and Killpecker Dunes, Wyoming
    Image Owner: Callan Bentley



    Description:

    so named because of their insalubrious effects on the bodily functions of the U.S. Cavalry.



  19. The Boar's Tusk

    Snapshot Title: The Boar's Tusk
    Taken by: Callan Bentley

    Image: Boar's Tusk and Killpecker Dunes, Wyoming
    Image Owner: Callan Bentley



    Description:

    A volcanic neck of "Wyomingite" from a Pleistocene-aged volcanic complex called the Leucite Hills.



  20. Round thing =

    Snapshot Title: Round thing =
    Taken by: Callan Bentley

    Image: Castle Gardens, Wyoming
    Image Owner: Callan Bentley



    Description:

    Indian shield motif petroglyph



  21. Checking out the Indian petroglyphs

    Snapshot Title: Checking out the Indian petroglyphs
    Taken by: Callan Bentley

    Image: Castle Gardens, Wyoming
    Image Owner: Callan Bentley



    Description:

    Sheild motifs galore.



  22. Jim the bus driver

    Snapshot Title: Jim the bus driver
    Taken by: Callan Bentley

    Image: Castle Gardens, Wyoming
    Image Owner: Callan Bentley



    Description:

    walking back down



  23. Slickensided fracture surface.

    Snapshot Title: Slickensided fracture surface.
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    .



  24. Slickensides

    Snapshot Title: Slickensides
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    .



  25. Pencil for scale

    Snapshot Title: Pencil for scale
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    demarcated in cm units for your scaling pleasure



  26. Random Halloween eraser

    Snapshot Title: Random Halloween eraser
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    makes an appearance.



  27. A second appearance

    Snapshot Title: A second appearance
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    by everyone's favorite gut microbe!



  28. Mississippian carbonate

    Snapshot Title: Mississippian carbonate
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    folded into a syncline



  29. Colluvium on slope

    Snapshot Title: Colluvium on slope
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    .



  30. Pleistocene glacial till

    Snapshot Title: Pleistocene glacial till
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    Deposited by glaciers.



  31. Cretaceous shale

    Snapshot Title: Cretaceous shale
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    .



  32. Mr. E. coli

    Snapshot Title: Mr. E. coli
    Taken by: Callan Bentley

    Image: The French Thrust, Sun River Canyon Montana
    Image Owner: Callan Bentley



    Description:

    finds a home in the Pleistocene glacial till



  33. Strandlines from higher water levels

    Snapshot Title: Strandlines from higher water levels
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    .



  34. Spillway

    Snapshot Title: Spillway
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    from the Swift Reservoir



  35. Fossil coral heads

    Snapshot Title: Fossil coral heads
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    Lots of bumps - positively weathering.



  36. Fossil coral head

    Snapshot Title: Fossil coral head
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    Very common here.



  37. Post-faulting deposition

    Snapshot Title: Post-faulting deposition
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    of sediments - an erosional remnant showing old soil profiles and cobble layers.



  38. Cretaceous strata

    Snapshot Title: Cretaceous strata
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    Younger than the overriding carbonate, and more deformed.



  39. Extensional fractures

    Snapshot Title: Extensional fractures
    Taken by: Callan Bentley

    Image: Swift Dam anticline, looking west
    Image Owner: Callan Bentley



    Description:

    forming on the outside of the carbonate fold



  40. "Frost pocket" cave

    Snapshot Title: "Frost pocket" cave
    Taken by: Callan Bentley

    Image: Devil Canyon Overlook, Bighorn Canyon National Recreation Area, Wyoming
    Image Owner: Callan Bentley



    Description:

    common in these limestones of the Rockies



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