Category Archives: structures

A land of basalt and chalk

We’ve just spent a great week exploring Ireland, which included very sunny days on the Antrim Coast of Northern Ireland. Anne sometimes teases me for picking holiday itineraries based more on the the prevailing geology more than the prevailing weather, … Continue reading

Categories: outcrops, photos, rocks & minerals, structures, volcanoes

A mountain (meta)geologist

As you might have noticed, my blogging has been a little thin on the ground recently, which means I have been remiss in pointing you to some sterling posts from fellow All-geo blogger Simon Wellings, who is writing a whole … Continue reading

Categories: geology, links, structures, tectonics

Scenic Saturday: the American West from above

Lets play Where On (Not Google) Earth! Continue reading

Categories: geopuzzling, outcrops, photos, structures

Friday focal mechanism: mountain building in Argentina

Yesterday a magnitude 6.2 earthquake struck in the Jujuy province of northwestern Argentina, in the western foothills of the Andes. What few news reports there are indicate strong shaking but little damage in what seems to be a remote and … Continue reading

Categories: earthquakes, focal mechanisms, geohazards, structures

New at Erratics – the largest meteorite crater in the world

The clinching evidence for the Vredefort dome being formed by an impact did not come from aerial photos, but from under the microscope. Continue reading

Categories: links, planets, Proterozoic, structures