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Callan Bentley's Snapshots

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  1. Green sandstone

    Snapshot Title: Green sandstone
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Wyoming



  2. Ash from the eruption of Mount Augustine, Alaska

    Snapshot Title: Ash from the eruption of Mount Augustine, Alaska
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Collected for me by the good people at the Center for Alaskan Coastal Studies in Homer, Alaska.



  3. Nummulitids

    Snapshot Title: Nummulitids
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Giant single-celled forams, the size of lentils or coins. France.



  4. Ogallala Formation

    Snapshot Title: Ogallala Formation
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Kansas



  5. Amphibolite

    Snapshot Title: Amphibolite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Owens Valley, California.



  6. Tusk?

    Snapshot Title: Tusk?
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Some sort of tusk (walrus?) or tooth (whale?), collected by a SCUBA diver from the bottom of the Ashley River near Charleston, South Carolina.



  7. Random blurry frame

    Snapshot Title: Random blurry frame
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Grrrrrr... there is no reason for this to be out of focus.



  8. Amygdules

    Snapshot Title: Amygdules
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Catoctin formation meta-basalt, Blue Ridge province of Virginia.



  9. Shattercones

    Snapshot Title: Shattercones
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Beaverhead impact site, Montana



  10. Oysters encrusting giant Inoceramid clam

    Snapshot Title: Oysters encrusting giant Inoceramid clam
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Cretaceous chalk of Kansas



  11. Porphyritic rhyolite

    Snapshot Title: Porphyritic rhyolite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Beartooth highway in Montana, west of Red Lodge.



  12. Chimney swifts

    Snapshot Title: Chimney swifts
    Taken by: Callan Bentley

    Image: Avila
    Image Owner: Daniel MrZeon



    Description:

    ...near a chimney!



  13. What time is it?

    Snapshot Title: What time is it?
    Taken by: Callan Bentley

    Image: Avila
    Image Owner: Daniel MrZeon



    Description:

    He's checking his watch!



  14. Geologist at work

    Snapshot Title: Geologist at work
    Taken by: Callan Bentley

    Image: Baie des Trepasses, Cornouaille, Brittany, France
    Image Owner: Manuel Sintubin



    Description:

    Checking out the rocks



  15. Massanutten Synclinorium

    Snapshot Title: Massanutten Synclinorium
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Southern end of the classic Valley & Ridge structure. plunges to the northeast.



  16. Breccia

    Snapshot Title: Breccia
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Marks the base of the Blue Ridge Thrust Fault



  17. National Mall issue of National Geographic

    Snapshot Title: National Mall issue of National Geographic
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    An interesting case study of a famous public space in my city.



  18. Anorthosite

    Snapshot Title: Anorthosite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Adirondacks, New York.



  19. Conglomerate

    Snapshot Title: Conglomerate
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Cerro Toro Formation, a Cretaceous aged sedimentary rock unit from the Chilean part of Patagonia.



  20. Notebooks

    Snapshot Title: Notebooks
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    You can see the pixels on this label!



  21. Dimetrodon

    Snapshot Title: Dimetrodon
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    NOT a dinosaur!



  22. Calcite

    Snapshot Title: Calcite
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Part 2 of 2 of my "cleavage" demonstration for Physical Geology students.



  23. Amphibole

    Snapshot Title: Amphibole
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Part 1 of 2 of my "cleavage" demonstration for Physical Geology students.



  24. Hematite concretion

    Snapshot Title: Hematite concretion
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Hell Creek Formation, Glendive, Montana.



  25. Giraffe tooth

    Snapshot Title: Giraffe tooth
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    With copper wiring decoration, from an artistic friend who collected the tooth in Kenya.



  26. Rhea

    Snapshot Title: Rhea
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    As pictured on the cover of Darwin's Origin of Species.



  27. Talc/magnetite/malachite schist

    Snapshot Title: Talc/magnetite/malachite schist
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    A metamorphosed "black smoker" deposit! Mineral Hill, Maryland.



  28. Magnetite with magnet

    Snapshot Title: Magnetite with magnet
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Collected near Mineral Hill, Maryland.



  29. Straight nautiloid fossil

    Snapshot Title: Straight nautiloid fossil
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Needmore Formation of the Fort Valley in western Virginia. Devonian.



  30. Soapstone cobble

    Snapshot Title: Soapstone cobble
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from Soapstone Valley, Washington, DC



  31. Garnets

    Snapshot Title: Garnets
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    in the Setters Schist of Maryland.



  32. Rhythmic bedding

    Snapshot Title: Rhythmic bedding
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    in the Hell Creek Formation, just below the K/Pg boundary, near Glendive, Montana.



  33. MacCready Formation

    Snapshot Title: MacCready Formation
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Rock gypsum -- Mississippian evaporites from SW Virginia.



  34. Fern fossil

    Snapshot Title: Fern fossil
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Llewellyn Formation, St. Clair, Pennsylvania.



  35. Plant fossils in fine grained sandstone

    Snapshot Title: Plant fossils in fine grained sandstone
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    From the side of the Al-Can highway, somewhere in northern British Columbia.



  36. Feldspar megacryst

    Snapshot Title: Feldspar megacryst
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Cathedral Peak granodiorite pluton in the high Sierra, California.



  37. Arkose

    Snapshot Title: Arkose
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    from the Fountain Formation (Flatirons, west of Boulder, Colorado)



  38. Ammonitic sutures

    Snapshot Title: Ammonitic sutures
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    On an ammonite fossil



  39. Field notebooks

    Snapshot Title: Field notebooks
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    "Rite in the Rain" brand



  40. Finger monster

    Snapshot Title: Finger monster
    Taken by: Callan Bentley

    Image: The shelf on the south wall of my office
    Image Owner: Callan Bentley



    Description:

    Rowr.



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