There has been a wave of articles over the last few weeks out on the geoblogosphere on columnar jointing in lavas – with many, many great images of columns seen aroundthe world. I thought I’d jump in ...

Cheorwon County in Gangwon Province announced on March 3 that the Cheorwon Hantangang Columnar Jointing Trail surpassed 3 million tourists on March 1, just 4 years and 4 months after its opening.

Discover columnar jointing in volcanic deposits, a unique feature caused by cooling differences in lavas. Learn more about impressive examples! However, columnar jointing can occur in any composition ...