A system of fractures that splits a rock body into long prisms, or columns. It is characteristic of lava flows and shallow intrusive igneous flows.
|Gulf of Porto||Scandola Nature Reserve|
|Jeju||Examples in the Hallasan Natural Reserve (AB review - " The diverse volcanic landscape includes a 1.6 ha lake-filled crater, 550 m in diameter and 108 m deep, a younger (circa 25,000 years in age) intruded trachyte dome, and a series of columnar jointed basalts forming prominent cliffs" (the Best examples on the island are at Jistagae Rock but this is not within the inscribed area)|
|Nan Madol||Nan Madol was built using columnar basalt quarried from various locations on the island of Pohnpei (wiki)|
|Yellowstone||Sheepeater cliff (and others)|
Do you know of another WHS we could connect to Columnar Jointing?
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