Showing posts with label basalt. Show all posts
Showing posts with label basalt. Show all posts
Friday, June 9, 2017

Volcanic Flows in Hawai'i: Life Finds a Way (to destroy rocks)

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Ohi'a Lehua ( Metrosideros polymorpha ) clinging to a crack in a 1974 lava flow on Kilauea I had kind of a schizophrenic (split-brai...
Friday, June 2, 2017

Answer to a Hawaiian Mystery, and a Cautionary Tale

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If you've had a geology or earth science course, do you remember what you learned about basalt? Basalt, the low-silica volcanic rock, ...
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Thursday, May 25, 2017

Here's a Hawaiian Mystery for You: Where Did These Circles Come From?

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We were on a desolate plain on the south side of Kilauea Caldera on the Big Island exploring the ongoing volcanic activity. The smoking pi...
5 comments:
Monday, February 27, 2017

Volcanoes in the Mist (and underground): Travels in Death Valley

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The Inyo Mountains, in any other setting in the world, would be considered a major mountain range, preserved as a national park perhaps, a...
3 comments:
Sunday, June 19, 2016

The Hawai'i That Was: The Beginning of All Things, (Ba)salt of the Earth

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There are lots of places that are associated with a particular kind of rock. There's the granite of the Sierra Nevada, or the sandston...
Sunday, March 1, 2015

Where the River No Longer Runs, Life Persists: Fossil Falls in the Eastern Sierra Nevada

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Red Hill near Fossil Falls, with the crest of the Sierra Nevada in the distance. The Sierra Nevada is the largest single block of rock i...
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Sunday, August 10, 2014

Northern Convergence: The Olympics, Where a Trench Became Sky-Piercing Peaks

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Our journey through Western Canada and the Pacific Northwest began as we met with our students in the Seattle area one evening in late Ju...
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