Yearly Archives: 2008

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

Geopuzzle #11

Posted on May 9, 2008 by Chris Rowan

Spot (and explain, if you can) the differences. It’s not much of a hint to say that the last one is quite difficult – but the last one is quite difficult. Update: Click through for the answer.

Categories: geopuzzling

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

Archean bacterial mats under the hammer

Posted on May 6, 2008 by Chris Rowan

Geovandalism rears it’s ugly head once more.
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Categories: Archean, fieldwork, fossils, geology, paper reviews, past worlds, ranting