How did Washington’s black basalt cliffs form?
Answer (3)
erosion of lava flows and floods after the release of water from an ice dam that formed the glacier lake Missoula.
Lava thats cooled ;
Washington's black basalt cliffs formed through volcanic eruptions that created lava flows, which cooled into basalt rock. Subsequent erosion and floods, particularly from Glacial Lake Missoula, shaped these cliffs over time. These processes combined resulted in the dramatic black cliffs we observe today.
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