Question

a mafic rock was partially melted and then that magma erupted on the surface. basalt mantle granite andesite

Explanation:

• Basalt is an extrusive igneous rock formed from the rapid cooling of basaltic lava erupted on the surface.
• Mantle is a layer of the Earth, not a rock formed from magma eruption.
• Granite is an intrusive igneous rock, formed from magma that cools slowly beneath the Earth's surface.
• Andesite is formed from magma that is more intermediate in composition than basaltic magma.

Answer:

Basalt