Category Archives: past worlds

Geopuzzle #12 (finally) revisited

Posted on June 24, 2008 by Chris Rowan

The answer? I dunno…
Continue reading →

Categories: Archean, geology, geopuzzling, past worlds

Pangaea Day, geology-style

Posted on May 12, 2008 by Chris Rowan

A brief geographic trip into the late Triassic.
Continue reading →

Categories: deep time, geology, Mesozoic, past worlds

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