Columnar jointed rock masses are distinguished by their natural polygonal fracture networks, typically formed during the cooling of basaltic lava. Their characteristic prismatic columns confer strong ...

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 ...

A new study by geoscientists at the University of Liverpool has identified the temperature at which cooling magma cracks to form geometric columns such as those found at the Giant's Causeway in ...