Category Archives: photos

Geology on an epic scale: the Yellowstone caldera

Posted on July 21, 2010 by Chris Rowan

To those with even a little geological knowledge, the view that presents itself as you drive into Yellowstone National Park through the South Entrance may not be quite what you expect. The park encompasses the giant caldera of a hotspot-fuelled … Continue reading →

Categories: outcrops, photos, volcanoes

Yellowstone it was

Posted on June 25, 2010 by Chris Rowan

Give yourselves a pat on the back: virtually everyone guessed correctly that my fortnight away was chiefly spent exploring Yellowstone National Park, bookended by some time in Grand Teton National Park just next door. The first photo I showed you … Continue reading →

Categories: geology, outcrops, photos, volcanoes

Where on Earth was Chris?

Posted on June 23, 2010 by Chris Rowan

My regular readers are probably quite used to my occasional bouts of silence on this blog, but my low internet profile in the past fortnight has been for the quite justifiable reason that I was away on holiday. I had … Continue reading →

Categories: outcrops, photos

Accretionary Wedge #25: An Illustrated Glossary of Cool Geological Things

Posted on June 2, 2010 by Chris Rowan

A smorgasboard of earth science imagery, in visual dictionary form.
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Categories: geology, photos

When it rains a lot and the mountains fall down

Posted on May 29, 2010 by Anne Jefferson

Warm heavy rainfall + glaciers + steep mountain flanks + exposed unconsolidated sediments are a recipe for debris flows in the Cascades Range. Let me tell you the story of one.
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