What Is the Source of Magma for Most Intraplate Volcanism
Hotspotridge interaction produces a wide range of phenomena including excess crustal thickness geochemical anomalies off-axis volcanic ridges and ridge relocations or jumps. Once the plume head nears the top of the mantle decompression melting generates basaltic magma that triggers volcanism at the surface. What Is The Source Of Magma For Most Intraplate Volcanism Lisbdnet Com What causes intraplate volcanismIntraplate volcanoes are caused by hot spots inside a tectonic plate and far from the edgesWhat is intraplate volcanism quizletintraplate volcanism. . Hawaii is an oceanic hotspot. 15 Where does most intraplate volcanic activity occur. Hot mantle plumes that ascend toward the surface forming deep within the Earth at the core-mantle boundary. The geotherm - a graph of the relationship of temperature and depth is a useful means of visualizing the processes the cause rocks to melt. 12 What is a hotspot in plate tectonics....
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