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Please advise: Are the rocks in the photo limestones? How did limestones form columnar joints?
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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Please advise:
Are the rocks in the photo limestones? How did limestones form columnar joints?
Yes, they are micritic limestones. I think the columnar jointing is a function of the hexagonal desiccation cracks throughout the beds.