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Callan Bentley's Snapshots

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  1. Blocky weathering

    Snapshot Title: Blocky weathering
    Taken by: Callan Bentley

    Image: Lamprophyre Dikes on the Virginia Side, Visible From the Billy Goat Trail
    Image Owner: Robin Rohrback-Schiavone



    Description:

    A different weathering pattern (and more rapid weathering, resulting in a recessed outcrop expression) typifies the lamprophyre which cuts across metagraywacke of the Mather Gorge Formation at this lo...



  2. Dark miniature

    Snapshot Title: Dark miniature
    Taken by: Callan Bentley

    Image: Lady Cave Anticline
    Image Owner: Ian Stimpson



    Description:

    Same shape, but looks like shale in the interior of this structure.



  3. Joint parallel to dikes

    Snapshot Title: Joint parallel to dikes
    Taken by: Callan Bentley

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



    Description:

    The crust here behaved in a brittle fashion by 360 Ma.



  4. Lamprophyre

    Snapshot Title: Lamprophyre
    Taken by: Callan Bentley

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



    Description:

    Fresh surface



  5. Eugene the yeastly beastie

    Snapshot Title: Eugene the yeastly beastie
    Taken by: Callan Bentley

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



    Description:

    .



  6. Sacrilege

    Snapshot Title: Sacrilege
    Taken by: Callan Bentley

    Image: Devil's Racecourse
    Image Owner: Robin Rohrback-Schiavone



    Description:

    Nasty habit.



  7. Eugene the Yeastie!

    Snapshot Title: Eugene the Yeastie!
    Taken by: Callan Bentley

    Image: Devil's Racecourse
    Image Owner: Robin Rohrback-Schiavone



    Description:

    Chilling out with similiarly-colored, similarly-shaped, dissimilarly-sized bretheren.



  8. Measure apparent dip

    Snapshot Title: Measure apparent dip
    Taken by: Callan Bentley

    Image: Massanutten Sandstone exposed at Red Hole on Passage Creek
    Image Owner: Callan Bentley



    Description:

    Just put your protractor on the computer screen!



  9. "Red Hole"

    Snapshot Title: "Red Hole"
    Taken by: Callan Bentley

    Image: Massanutten Sandstone exposed at Red Hole on Passage Creek
    Image Owner: Callan Bentley



    Description:

    grafitto



  10. Red, white, and blue

    Snapshot Title: Red, white, and blue
    Taken by: Callan Bentley

    Image: Martinsburg Formation at Guard Hill, north of Front Royal, Virginia
    Image Owner: Callan Bentley



    Description:

    American flag atop the hill. There was a Romney/Ryan sign here ten days earlier.



  11. Ack.

    Snapshot Title: Ack.
    Taken by: Callan Bentley

    Image: Martinsburg Formation at Guard Hill, north of Front Royal, Virginia
    Image Owner: Callan Bentley



    Description:

    Distracted by feeding my infant son whilst GigaPanning, I failed to catch this one...



  12. Bedding

    Snapshot Title: Bedding
    Taken by: Callan Bentley

    Image: Martinsburg Formation at Guard Hill, north of Front Royal, Virginia
    Image Owner: Callan Bentley



    Description:

    in Ordovician flysch - turbidites shed off the Taconian Orogen to the east.



  13. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Massanutten Sandstone exposed on Fort Valley Road
    Image Owner: Callan Bentley



    Description:

    Mechanical pencil with cm-scale demarcations.



  14. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Martinsburg Formation at Guard Hill, north of Front Royal, Virginia
    Image Owner: Callan Bentley



    Description:

    Mechanical pencil with cm demarcations.



  15. Folds?

    Snapshot Title: Folds?
    Taken by: Callan Bentley

    Image: profil
    Image Owner: Blaž Vičič



    Description:

    Are these fold hinges?



  16. Amphibole

    Snapshot Title: Amphibole
    Taken by: Callan Bentley

    Image: Amphibolite from Great Falls, MD
    Image Owner: Robin Rohrback-Schiavone



    Description:

    The mineral that's the namesake of the rock.



  17. Garnets

    Snapshot Title: Garnets
    Taken by: Callan Bentley

    Image: Another Column at YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    This rock has been metamorphosed!



  18. Stephen

    Snapshot Title: Stephen
    Taken by: Callan Bentley

    Image: Lunch on day 2 of the Inner Piedmont trip
    Image Owner: Callan Bentley



    Description:

    looking skeptically at Dwight?



  19. Dwight

    Snapshot Title: Dwight
    Taken by: Callan Bentley

    Image: Lunch on day 2 of the Inner Piedmont trip
    Image Owner: Callan Bentley



    Description:

    animatedly discussing structural geology, no doubt.



  20. Grand poobah of southern Appalachian structure

    Snapshot Title: Grand poobah of southern Appalachian structure
    Taken by: Callan Bentley

    Image: Lunch on day 2 of the Inner Piedmont trip
    Image Owner: Callan Bentley



    Description:

    Bob Hatcher, University of Tennessee



  21. The boss

    Snapshot Title: The boss
    Taken by: Callan Bentley

    Image: Lunch on day 2 of the Inner Piedmont trip
    Image Owner: Callan Bentley



    Description:

    Arthur Merschat, USGS. Our field trip leader.



  22. Sense of scale

    Snapshot Title: Sense of scale
    Taken by: Callan Bentley

    Image: Another Column at YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    Pencil!



  23. Mylonitic flow

    Snapshot Title: Mylonitic flow
    Taken by: Callan Bentley

    Image: Another Column at YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    Check out how the foliation wraps around these two augen!



  24. Outflow from the lake

    Snapshot Title: Outflow from the lake
    Taken by: Callan Bentley

    Image: Overlook, YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    .



  25. Walker Top Granite

    Snapshot Title: Walker Top Granite
    Taken by: Callan Bentley

    Image: Column at YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    with deformed porphyroclasts.



  26. Garnets

    Snapshot Title: Garnets
    Taken by: Callan Bentley

    Image: Column at YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    .



  27. Pencil for scale

    Snapshot Title: Pencil for scale
    Taken by: Callan Bentley

    Image: Column at YMCA Camp Harrison, North Carolina
    Image Owner: Callan Bentley



    Description:

    with cm demarcation.



  28. Shadow of the Tower

    Snapshot Title: Shadow of the Tower
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    .



  29. Wild grapes

    Snapshot Title: Wild grapes
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    Out of focus in this GigaPan, but here is a shot where they are in focus and in context:
    twitter.com/callanbentley/status/260034888168796160/photo/1/large Will open in a new tab or window



  30. Tractor trailer

    Snapshot Title: Tractor trailer
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    on Interstate 81



  31. Little North Mountain

    Snapshot Title: Little North Mountain
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    defining the WNW side of the Shenandoah Valley



  32. Downtown

    Snapshot Title: Downtown
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    Woodstock, Virginia



  33. Furrows

    Snapshot Title: Furrows
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    in the field



  34. Reflection

    Snapshot Title: Reflection
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    in the North Fork of the Shenandoah River



  35. Silo

    Snapshot Title: Silo
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    .



  36. Cows

    Snapshot Title: Cows
    Taken by: Callan Bentley

    Image: View west from Woodstock Tower, October 2012
    Image Owner: Callan Bentley



    Description:

    Black & white



  37. The Blue Ridge

    Snapshot Title: The Blue Ridge
    Taken by: Callan Bentley

    Image: Page Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    to the east-southeast



  38. Route 211

    Snapshot Title: Route 211
    Taken by: Callan Bentley

    Image: Page Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    .



  39. Short Horse Mountain

    Snapshot Title: Short Horse Mountain
    Taken by: Callan Bentley

    Image: Page Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    .



  40. Vulture

    Snapshot Title: Vulture
    Taken by: Callan Bentley

    Image: Page Valley, Virginia
    Image Owner: Callan Bentley



    Description:

    .



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