Decompression melting caused by the upwelling plume produces magmas that form a volcano on the sea floor above the hot spot.
(Decompression melting; caused; by the upwelling plume) (Decompression melting; produces; magmas that form a volcano on the sea floor above the hot spot) (magmas; form; a volcano on the sea floor above the hot spot)
Decompression melting Decompression melting magmas
caused produces form
by the upwelling plume
magmas that form a volcano on the sea floor above the hot spot
a volcano on the sea floor above the hot spot