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Callan Bentley's Snapshots

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  1. Shotgun shells

    Snapshot Title: Shotgun shells
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    People shoot guns here.



  2. Climbing ripples

    Snapshot Title: Climbing ripples
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    in pyroclastic surge deposits



  3. Marc

    Snapshot Title: Marc
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    EPCC / UTEP student who's really into geophysics.



  4. Jenni

    Snapshot Title: Jenni
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    UTEP / EPCC student working on GigaPans with Joshua Villalobos.



  5. Debbie Caskey #2

    Snapshot Title: Debbie Caskey #2
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    She moved!



  6. Joshua Villalobos

    Snapshot Title: Joshua Villalobos
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    Geology professor at El Paso Community College.



  7. Debbie Caskey #1

    Snapshot Title: Debbie Caskey #1
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    Geology professor at El Paso Community College.



  8. Joe

    Snapshot Title: Joe
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    A tough hiker and a great guy.



  9. Basalt

    Snapshot Title: Basalt
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    The Afton flow, 70 to 80 ka in age.



  10. Baked!

    Snapshot Title: Baked!
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    Contact metamorphism from the ash-flow.



  11. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail B
    Image Owner: Callan Bentley



    Description:

    10 centimeters on the meter stick.



  12. Missing bomb/block

    Snapshot Title: Missing bomb/block
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail C
    Image Owner: Callan Bentley



    Description:

    A hole, with sedimentary laminations wrapping around it.



  13. Lapilli layer

    Snapshot Title: Lapilli layer
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail C
    Image Owner: Callan Bentley



    Description:

    Some of these lapilli have concentric zonation, indicating their accretionary nature.



  14. Cross-bedding

    Snapshot Title: Cross-bedding
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail C
    Image Owner: Callan Bentley



    Description:

    in surge (ash-flow) deposits.



  15. Vesicles

    Snapshot Title: Vesicles
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail C
    Image Owner: Callan Bentley



    Description:

    Some volcano was pretty gassy when it popped off this eruption.



  16. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail C
    Image Owner: Callan Bentley



    Description:

    10 centimeters on a 1-meter stick.



  17. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail D
    Image Owner: Callan Bentley



    Description:

    pencil with 1-cm black bars along the side.



  18. Contact

    Snapshot Title: Contact
    Taken by: Callan Bentley

    Image: Cristo Rey: Mesilla Valley Formation - contact with Campus Andesite
    Image Owner: Callan Bentley



    Description:

    Mesilla Valley Formation (sedimentary rocks: sandstone and shale layers) on the left; Campus Andesite (igneous rocks of the Cristo Rey laccolith) on the right.



  19. Cleavage fan

    Snapshot Title: Cleavage fan
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - folds and faults
    Image Owner: Callan Bentley



    Description:

    "spraying out" from the fold hinge region.



  20. Fold

    Snapshot Title: Fold
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - folds and faults
    Image Owner: Callan Bentley



    Description:

    Asymmetric / overturned



  21. Scale pencil

    Snapshot Title: Scale pencil
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - folds and faults
    Image Owner: Callan Bentley



    Description:

    With black bars on the side each 1 cm in length.



  22. Scale card

    Snapshot Title: Scale card
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - folds and faults
    Image Owner: Callan Bentley



    Description:

    Inches on the top; centimeters on the bottom.



  23. Oyster

    Snapshot Title: Oyster
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    Oyster fossils - thick, gray shells



  24. Turitella

    Snapshot Title: Turitella
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    High-spiraled snail fossil



  25. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 centimeter tall.



  26. 1 cm

    Snapshot Title: 1 cm
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    This black bar is one centimeter in length.



  27. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    This black bar on the side of this throroughly-dismembered pencil is 1 centimeter in length.



  28. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    1 inch, on the DGMR scale card.



  29. Turitella

    Snapshot Title: Turitella
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    A nice long section.



  30. Coral fossil

    Snapshot Title: Coral fossil
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    Radiating septa.



  31. Turitella

    Snapshot Title: Turitella
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    High-spiraled snail fossils in a variety of orientations, accompanied by thick gray oyster shells.



  32. Turitella

    Snapshot Title: Turitella
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - Fossils in the quarry
    Image Owner: Callan Bentley



    Description:

    high-spiraled snail (gastropod) fossils, cross-sectioned in a variety of orientations.



  33. Synform

    Snapshot Title: Synform
    Taken by: Callan Bentley

    Image: Cristo Rey: Buda Formation - overturned syncline
    Image Owner: Callan Bentley



    Description:

    Overturned? Sheared?



  34. Slope of Cristo Rey

    Snapshot Title: Slope of Cristo Rey
    Taken by: Callan Bentley

    Image: Cristo Rey: Mesilla Valley Formation - folds
    Image Owner: Callan Bentley



    Description:

    If you keep walking uphill (to the right), you can summit Cristo Rey, a laccolith topped by a cross (a popular pilgrimage site).



  35. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Cristo Rey: Mesilla Valley Formation - folds
    Image Owner: Callan Bentley



    Description:

    This black bar is 1 centimeter in length.



  36. Smokestack

    Snapshot Title: Smokestack
    Taken by: Callan Bentley

    Image: Angular Unconformity, west of El Paso, Texas
    Image Owner: Callan Bentley



    Description:

    These rocks are quarried for cement production.



  37. Cristo Rey

    Snapshot Title: Cristo Rey
    Taken by: Callan Bentley

    Image: Angular Unconformity, west of El Paso, Texas
    Image Owner: Callan Bentley



    Description:

    This is the large statue of the cross that adorns the summit of the Cristo Rey laccolith. The morning we were there, 3 people were robbed at gunpoint by the shrine.



  38. Scale

    Snapshot Title: Scale
    Taken by: Callan Bentley

    Image: Angular Unconformity, west of El Paso, Texas
    Image Owner: Callan Bentley



    Description:

    This Coke bottle (apparently full of urine???) gives a sense of scale tot he GigaPan.



  39. Pyroclastic surge deposits

    Snapshot Title: Pyroclastic surge deposits
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail A
    Image Owner: Callan Bentley



    Description:

    Big, powerful eruption.



  40. Contact metamorphism

    Snapshot Title: Contact metamorphism
    Taken by: Callan Bentley

    Image: Kilbourne Hole, detail A
    Image Owner: Callan Bentley



    Description:

    Baked soils



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