Category Archives: structures

The making of an angular unconformity: Hutton’s unconformity at Siccar Point

Posted on January 27, 2011 by Chris Rowan

Photos and video from a geo-pilgrimage: an in-depth look at Hutton’s Unconformity, and the geological history that it represents. Continue reading →

Categories: deep time, geology, outcrops, Palaeozoic, photos, structures

The fault that made a mountain range

Posted on September 8, 2010 by Chris Rowan

How the Teton Range and the Teton Fault are essentially the same thing. Continue reading →

Categories: geology, geomorphology, outcrops, photos, structures

Friday Focal Mechanisms: Haiti, revisited

Posted on August 13, 2010 by Chris Rowan

The new research that acquits the Enriquillo Fault of causing the Haiti earthquake. Continue reading →

Categories: earthquakes, focal mechanisms, geohazards, structures, tectonics

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

More folds a-plunging

Posted on March 23, 2010 by Chris Rowan

Beautiful Scottish geological structures I happened across on my weekend walk.
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Categories: outcrops, photos, structures, tectonics