Frenchman's Coulee: The Feathers (Columbia River Flood Basalt - Flows).

Comments (3)

Brant, on January 24, 2008, said:

Columbia River Flood Basalts: For 10-15 Million Years extraordinarily fluid lava erupted from the Cascade system of Volcanoes which for a time formed shield-volcanoes with shape and size that approximated Kilauea, instead of the strata-volcanoes that we see now ie Mt St Helens, Mt Baker, Rainier, Shasta, etc..

This outcrop shows the thickness of a single lava flow. The columnar joints evident in the photo are formed via the slow cooling of molten lavas, which developed these characteristic cooling joints.

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chris metz, on June 14, 2009, said:

Is that your bus? (It's a great picture regardless of who owns the bus!)

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Brant, on July 12, 2009, said:

That bus was used by the Earth Sciences Department at Simon Fraser University before we purchased our ‘squadron’ of vans...lol.

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Photo taken in Grant, WA, USA

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