Category Archives: deep time

Old tectonic scars run deep: the magnitude 5.0 earthquake in Ontario

Posted on June 24, 2010 by Chris Rowan

The location of yesterday’s earthquake in Canada was controlled by tectonic processes that operated, and ceased, hundreds of millions of years ago.
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Categories: deep time, earthquakes, geohazards, geology, structures, tectonics

A very British paradigm shift

Posted on April 24, 2010 by Chris Rowan

My admiration for the intellectual integrity of Arthur Holmes, and his patient advocacy of continental drift.
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Categories: deep time, geology

Oman’s view of the Snowball Earth

Posted on March 27, 2010 by Chris Rowan

Evidence from my field area of extreme climatic fluctuations 700 million years ago – but does it support the notion that the whole planet froze over?
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