Team Jurassic Utah finishes essential data collection

3 Columnar jointed limestone 052118

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2 Responses to 3 Columnar jointed limestone 052118

  1. Liangtai Lin says:

    Please advise:
    Are the rocks in the photo limestones? How did limestones form columnar joints?

  2. Mark Wilson says:

    Yes, they are micritic limestones. I think the columnar jointing is a function of the hexagonal desiccation cracks throughout the beds.

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