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Which plate tectonic settings do basalts and gabbros form at?

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Answer:

Basalts and gabbros can form at divergent plate boundaries, where magma rises up from the mantle and solidifies into basaltic or gabbroic rock as it cools and spreads out. They can also form at hotspots, where magma from the mantle rises up to the surface and forms volcanic islands or plateaus. Additionally, basaltic rocks can form at convergent plate boundaries where oceanic crust is subducted beneath a continental plate and partially melts, leading to the formation of volcanic arcs

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