The Columbia River Plateau is an example of a ________.
A) caldera
B) fissure
C) flood basalt
D) hot spot

Question

Quizplus · Accepted Answer

The Columbia River Plateau is an example of flood basalt, which is a large igneous province formed from massive outpourings of lava. This specific flood basalt is located in the Pacific Northwest region of the United States and was formed by a series of volcanic eruptions around 15 million years ago.

The Columbia River Plateau Is an Example of a ________