United Kingdom - Giant's Causeway and Causeway Coast

"The Giant's Causeway lies at the foot of the basalt cliffs along the sea coast on the edge of the Antrim plateau in Northern Ireland. It is made up of some 40,000 massive black basalt columns sticking out of the sea. The dramatic sight has inspired legends of giants striding over the sea to Scotland. Geological studies of these formations over the last 300 years have greatly contributed to the development of the earth sciences, and show that this striking landscape was caused by volcanic activity during the Tertiary, some 50–60 million years ago." 

Source: UNESCO World Heritage

Postcard 1 - Causeway Coast
Map postcards showing the shoreline of Causeway Coast. Thanks to Morag of UK.

Postcard 2 - Giant's Causeway, Antrim
Basaltic columns formed from rock crystallization of accelarated cooling of mlten lava in contact with the sea. Thanks to Morag of UK.

Postcard 3 - Another view of Giant's Causeway
The 60 millions years old Giant's Causeway of Northern Ireland. Thanks to Ing for writing and sending from Belfast.

Postcard 4 - Giant's Causeway
Thanks to Brian for sending from Ireland.

Postcard 5
Giant's Causway created by volcanic activity. Thanks to Barbara of Scotland, United Kingdom.

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