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Frenchman Coulee at sunrise (0690)-20120621-_ILO0690.jpg

Frenchman Coulee near Vantage, WA is part of the Columbia River Basalt Group. "A flood basalt or trap basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalts have occurred on continental scales (large igneous provinces) in prehistory, creating great plateaus and mountain ranges. Flood basalts have erupted at random intervals throughout geological history and are clear evidence that the Earth undergoes periods of enhanced activity rather than being in a uniform steady state." -- http://en.wikipedia.org/wiki/Flood_basalt
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© Ilona Berzups
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NATURE
Frenchman Coulee near Vantage, WA is part of the Columbia River Basalt Group. "A flood basalt or trap basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava. Flood basalts have occurred on continental scales (large igneous provinces) in prehistory, creating great plateaus and mountain ranges. Flood basalts have erupted at random intervals throughout geological history and are clear evidence that the Earth undergoes periods of enhanced activity rather than being in a uniform steady state." -- http://en.wikipedia.org/wiki/Flood_basalt