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Giant's Causeway

Forty thousand basalt columns stepping into the sea — geology told as legend.

Dated events and their evidence

• about 60,000,000 years ago mainstream
  the basalt columns form from cooling lava (~50-60 million years ago) source
• 1986 CE mainstream
  UNESCO World Heritage: the Causeway and its coast source
• 2021 CE mainstream
  Simms (2021) argues the Causeway lava ponded more than 70 m thick in a hollow made by the ground subsiding, perhaps within days, rather than in a river valley cut over thousands of years source

Where

55.2410° N, 6.5120° W

Sources

• https://doi.org/10.1016/j.pgeola.2021.07.001
• https://nationalmuseumsni.org/resources/new-view-giants-causeway
• https://ozgeology.com/blogs/news/everything-we-knew-about-the-giants-causeway-was-wrong
• https://en.wikipedia.org/wiki/Giant%27s_Causeway

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