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 ...

VANTAGE, Wash. — Walls of basalt, from the Royal Columns above the Tieton River west of Naches to the endless array on the Grant County bluffs overlooking the Columbia River, make Central Washington a ...

Rare basalt columns, estimated to be over 6.5 crore years old, were discovered by a group of history enthusiasts in Bazar Hatnur forests of Adilabad district in Telangana. Geologists said that basalt ...

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 ...