Weekly Photo Challenge: Angular – The Giant’s Causeway

Giant's Causeway Ireland

Giant’s Causeway, Northern Ireland

The causeway  was formed about sixty-two million years ago over a long period of igneous activity when this whole area would have been situated in an equatorial  region,  experiencing  hot and humid conditions.  The unique sprawl of hexagonal basalt columns that make up the Giant’s Causeway was formed when lava broke through the earth’s crust and cooled rapidly as it hit the sea.  The fascinating patterns in the causeway stones formed as a result of rock crystallization under conditions of accelerated cooling, which usually occurs when molten lava comes into immediate contact with water and the resulting fast accelerated cooling process causes cracking and patterns.

There is a uniformity to the patterns that confused people for a long time and before the geological process that formed the causeway was fully understood some were convinced that it was the result of the labours of an earlier civilization that had built a sort of paved highway across the sea to Scotland.  What made this credible for them was that the same rock formations occur at Flingal’s Cave across the water.

18 responses to “Weekly Photo Challenge: Angular – The Giant’s Causeway

  1. I have always wanted to see that. There is some really cool and mysterious stuff in that part of the world.


  2. Would love to see this! Absolutely amazing!


  3. I like this interpretation

    Liked by 1 person

  4. Makes me think of soldiers guarding entrance to the land or lookouts watching for incoming ships. Fascinating. 🙂


  5. Great photos Andrew. In geology-speak, this type of formation is called “columnar jointing.” It’s relatively rare, but occurs in the western part of the US as well. The Giant’s Causeway is one of the more famous sites. ~James


  6. Causeway was really pretty…wasn’t my favorite of the sites in Ireland, but it was interesting.


  7. One of our favorite sites of all time! Thanks for posting this — it is indeed angular in nature. And it reminds us of a place we’d love to see again!


  8. Absolutely one if the coolestest places I’ve been. Great photos!


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