Scientists Delve Into 'Hotspot' Volcanoes along Pacific Ocean Seamount Trail:
Nearly half a mile of rock retrieved from beneath the seafloor is yielding new clues about how underwater volcanoes are created and whether the hotspots that led to their formation have moved over time.
Geoscientists have just completed an expedition to a string of underwater volcanoes, or seamounts, in the Pacific Ocean known as the Louisville Seamount Trail.
There they collected samples of sediments, basalt lava flows and other volcanic eruption materials to piece ...
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Provided by National Science Foundation
