Category Archives: geology

Flood risks in the aftermath of the Sichuan earthquake

Posted on May 26, 2008 by Anne Jefferson

This is a guest post from Anne Jefferson, an assistant professor at the University of North Carolina at Charlotte. She’s a hydrogeologist who likes to play in rivers, and I let her post this on the condition that she not … Continue reading →

Categories: by Anne, earthquakes, geohazards, geology

Pangaea Day, geology-style

Posted on May 12, 2008 by Chris Rowan

A brief geographic trip into the late Triassic.
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Categories: deep time, geology, Mesozoic, past worlds

Active, dormant, and extinct volcanoes

Posted on May 8, 2008 by Chris Rowan

How do you know your if friendly neighbourhood volcano is dead, or merely dozing?
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Categories: basics, geohazards, geology, volcanoes

What’s up with those Archean sandstones?

Posted on May 7, 2008 by Chris Rowan

In addition to searching out evidence for Archean microbial mats, my revisitation of the Pongola sandstones gave me the chance to look a bit more closely at their lithology. When I last posted pictures from this sequence, there was a … Continue reading →

Categories: Archean, fieldwork, geology, geopuzzling, past worlds