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Snapshots

  1. 1.7 Billion Year Old Ripple Marks! That are Vertical!

    Snapshot Title: 1.7 Billion Year Old Ripple Marks! That are Vertical!
    Taken by: Don Duggan-Haas

    Image: Baraboo Syncline/Baraboo Quartzite -- Ableman's Gorge
    Image Owner: Don Duggan-Haas



    Description:

    These ripple marks, and all the others in this incredible wall of Baraboo Quartzite, were laid down 1.7 billion years ago on a sandy sea bottom, probably not too far from a shore.



  2. The cranky photographer

    Snapshot Title: The cranky photographer
    Taken by: Don Duggan-Haas

    Image: Baraboo Syncline/Baraboo Quartzite -- Ableman's Gorge
    Image Owner: Don Duggan-Haas



    Description:

    I'd been having trouble with my camera and Gigapan unit and wasn't sure things were working write, so I was eyeing the camera with frustrated suspicion. Apparently that was unwarranted.