Volcanoes: Plumes of rock that feed volcanic hotspots are surprisingly cold
[ad_1] Geologists may need to come up with a new explanation for the sources of volcanic activity in places like Iceland and Hawaii Earth 6 January 2022 By Alex Wilkins Hawaii’s Kilauea volcano erupting in 2018 U.S. Geological Survey via Getty Images The plumes of rock feeding Earth’s volcanic hotspots are much cooler than previously…