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Snapshots

  1. Lichen

    Snapshot Title: Lichen
    Taken by: Callan Bentley

    Image: Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
    Image Owner: Callan Bentley



    Description:

    growing on the surface of the rock.



  2. Contact

    Snapshot Title: Contact
    Taken by: Callan Bentley

    Image: Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
    Image Owner: Callan Bentley



    Description:

    of the granite intrusion.



  3. Sericite-after-staurolite porphyroblast

    Snapshot Title: Sericite-after-staurolite porphyroblast
    Taken by: Callan Bentley

    Image: Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
    Image Owner: Callan Bentley



    Description:

    Evidence of retrograde metamorphism.



  4. Stretched clast

    Snapshot Title: Stretched clast
    Taken by: Callan Bentley

    Image: Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
    Image Owner: Callan Bentley



    Description:

    Sheared out to oblate dimensions. Typical of deformation in the Rock Creek Shear Zone.



  5. Scale pencil

    Snapshot Title: Scale pencil
    Taken by: Callan Bentley

    Image: Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC
    Image Owner: Callan Bentley



    Description:

    With 1 cm demarcations along the side.