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One possible reason for present day geothermal activity at yellowstone national park and the extensive flood basalts of the columbia river plateau is ____.​
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One possible reason for present day geothermal activity at yellowstone national park and the extensive flood basalts of the columbia river plateau is ____.​

User Thales MG
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One possible reason for the geothermal activities at these two sites is that they are hot spots. Hot spots refers to volcanic regions which have underlying mantle that are hot compared to the the surrounding mantle. Most hot spots are classified as basaltic, this type of hot spots are not explosive.
User Kiewic
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