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Columbia River

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John Day lava field (#0423)

John Day lava field (#0423) 

The area around the Columbia Gorge aluminum smelter is a lava field.

It's _all_ lava, Don! Those slopes and bluffs behind are stacks and stacks of individual flows of Columbia River basalt! This is a bench consisting of one of the lower flows that's been plucked and scoured by the Scabland floods.,
17 months ago. Edited 17 months ago.
Don Barrett (aka DBs… has replied to slgwv
For we non-geologist, 'lava field' means a relatively flat area where lava flowed and cooled leaving unusual formations.....But it's true that we should be more specific rather than contributing a notion that the cliffs in the distance aren't lava.
17 months ago.