Distinctive fractures in ancient lava flows on Mars suggest that water occasionally flooded portions of the planet's surface. The research piles onto previous findings that suggest the same. 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 ...

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.

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Distinctivefractures in ancient lava flows on Mars suggest that water occasionally ...