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Snapshots

  1. Concentric zonation

    Snapshot Title: Concentric zonation
    Taken by: Callan Bentley

    Image: Cross Section of a Billion Year Old Lava Flow
    Image Owner: Ron Schott



    Description:

    in amygdules as they got filled, outside-to-inside...



  2. More amygdules

    Snapshot Title: More amygdules
    Taken by: Callan Bentley

    Image: Cross Section of a Billion Year Old Lava Flow
    Image Owner: Ron Schott



    Description:

    Nice peek at an ancient primary igneous structure.



  3. Flow Surface

    Snapshot Title: Flow Surface
    Taken by: Ron Schott

    Image: Cross Section of a Billion Year Old Lava Flow
    Image Owner: Ron Schott



    Description:

    Smoother pahoehoe surface atop the roadcut is a natural exposure.



  4. Amygdules

    Snapshot Title: Amygdules
    Taken by: Ron Schott

    Image: Cross Section of a Billion Year Old Lava Flow
    Image Owner: Ron Schott



    Description:

    Vesicles (gas bubbles) that were subsequently filled by secondary minerals.