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 ...

Visitors to the coast of Northern Ireland have always marveled at the so-called Giant’s Causeway — a field of some 40,000 interlocking basalt columns arranged in a tidy hexagonal pattern. German ...

Discover how columnar joints form in volcanic rocks, creating stunning landscapes like Giant's Causeway and Devil's Postpile. Columbia River Basalt flows in the Palouse River Canyon of Washington.

Mahalapye — Environment, natural resources conservation and tourism minister says the columnar stones erected at a point where the Tropic of Capricorn crosses the A1 road pay tribute to all the ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the ...

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 ...