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Snapshots

  1. Interesting texture

    Snapshot Title: Interesting texture
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    I would love for someone to explain this to me -- these dark "spongey" shapes surrounded by halos of lighter colored rock.



  2. "tree"

    Snapshot Title: "tree"
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    These trees have a tough time of it every time the river floods.



  3. Silt

    Snapshot Title: Silt
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    These boulders are unavailable for your viewing pleasure, thanks to deposits of river silt.



  4. Differential weathering

    Snapshot Title: Differential weathering
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    The lighter-colored layers (former sand layers from turbidites?) weather out in positive relief because they are harder and more chemically stable than the darker-colored layers (former mud layers fro...



  5. Sweet little fold

    Snapshot Title: Sweet little fold
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    Nice little fellah



  6. Interesting texture

    Snapshot Title: Interesting texture
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    I would love for someone to explain this to me -- these dark "spongey" shapes surrounded by halos of lighter colored rock.



  7. Interesting texture

    Snapshot Title: Interesting texture
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    I would love for someone to explain this to me -- these dark "spongey" shapes surrounded by halos of lighter colored rock.



  8. Interesting texture

    Snapshot Title: Interesting texture
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    I would love for someone to explain this to me -- these dark "spongey" shapes surrounded by halos of lighter colored rock.



  9. Nice complicated fold

    Snapshot Title: Nice complicated fold
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    Isoclinal folds, partially dismembered by boudinage.



  10. Boudins and blobs

    Snapshot Title: Boudins and blobs
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    Complicated textures in these migmatitic (partially melted) rocks.



  11. Pothole

    Snapshot Title: Pothole
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    This area is drilled full of potholes from times when the Potomac River was flowing at a higher level and these rock exposures were the bottom of the river.



  12. Boudinage

    Snapshot Title: Boudinage
    Taken by: Callan Bentley

    Image: Metamorphosed, boudinaged bedding of the Mather Gorge Formation
    Image Owner: Callan Bentley



    Description:

    Boudinage of "bedding" (?) layers in these highly metamorphosed rocks. Note the granite "leucosome" that occupies the boudin necks.