Uplifted Columnar basalt Mount Rainier National Park

Uplifted Columnar basalt Mount Rainier National Park
A few miles below Sunrise Point at a roadcut
Columnar Basalt

This basalt forms in columns which are oriented vertically, with the polygons (in this case mainly hexagons) forming as the basalt cools and shrinks. A similar phenomena occurs with needle ice or pipkrake ice crystals.
Basalt
i070807 020

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Comments

Calypso Orchid says:

Fascinating formation. I wonder if it always takes rapid cooling to do this?
Posted 25 months ago. ( permalink )

brewbooks says:

I think that it must take rapid cooling, I have observed this in a number of locations in Washington State.
Posted 25 months ago. ( permalink )

LeszekZadlo says:

Hi, I'm an admin for a group called UNESCO - MAB Biosphere Reserves (photo guide), and we'd love to have your photo added to the group.
Posted 21 months ago. ( permalink )

Rockdoctor says:

This is truly a magnificent photograph of a
Geological Wonder of the World!

You are invited to post it to Geological Wonders of the World Group!
Posted 6 months ago. ( permalink )

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This photo also belongs to:

	Hikes07 Dege Peak 7 Jul (Set)
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	Part of: Mount Rainier and Hikes 2007

	Geology Washington (Set)
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	Part of: Other

	Pattern (Pool)
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	Patterns and Designs (Pool)
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	Designs in Nature (Pool)
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	UNESCO - MAB Biosphere Reserves (photo guide) (Pool)
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Some rights reserved Anyone can see this photo

Taken in Sunrise, Washington (map)
Taken with a Nikon Coolpix L5.
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Taken on July 7, 2007

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Uplifted Columnar basalt Mount Rainier National Park

Comments

Calypso Orchid says:

brewbooks says:

LeszekZadlo says:

Rockdoctor says:

Would you like to comment?

brewbooks' photostream

Hikes07 Dege Peak 7 Jul (Set)

Geology Washington (Set)

Pattern (Pool)

Patterns and Designs (Pool)

Designs in Nature (Pool)

UNESCO - MAB Biosphere Reserves (photo guide) (Pool)

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