Category Archives: deep time

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

Uniformitarianism in action (sort of)

Posted on March 31, 2008 by Chris Rowan

Most of you correctly identified the sedimentary structures in Friday’s mystery photo: two sets of ripple marks can be seen on the left, and a lower bed on the right has what look like dessication/mud cracks, formed by the drying … Continue reading →

Categories: deep time, geopuzzling, outcrops

Do we need a new geological epoch?

Posted on January 30, 2008 by Chris Rowan

Anthropocene! Naming a new geological time period after ourselves certainly has a nice dramatic ring to it, even if it smacks of the hubris that got us into our current climatic mess in the first place. But can our species, … Continue reading →

Categories: basics, deep time, geology, paper reviews

19th century geologists slandered again

Posted on September 22, 2007 by Chris Rowan

Are folks at the University of Bristol intentionally trying to annoy me? In the very same week that I write about the abundant signs of old age in the rock record, they put out a press release which states: By … Continue reading →

Categories: deep time, geology, public science