One possible reason for present-day geothermal activity at Yellowstone National Park and the extensive flood basalts of the Columbia River plateau is ____.

Question

Quizplus · Accepted Answer

The presence of present-day geothermal activity at Yellowstone National Park and extensive flood basalts of the Columbia River plateau suggests the presence of a hot spot. A hot spot is an area of the mantle where magma rises to the surface, creating volcanoes and geothermal features. This differs from other options such as orogenic activity, rifting, and subduction, which are associated with different types of geological processes and tectonic settings. There is no evidence of an ancient meteorite impact generating these features.

One Possible Reason for Present-Day Geothermal Activity at Yellowstone National