P4+-+MAGMA

MAGMA BY:MICHAELA MCLAUGHLIN,KNDALL ABNEY,AND MEGAN MUFFLEY......!!!

A hydrothermal vent forms when there are cracks in the earths surface underwater through which magma and lava can seep. when preasure underneath builds up scientificly,the magma is shot up upwards. when a mantle plume approaches the surface,the magma is under compression.

DEFFINITION: -molten material beneath or within th eearths crust,from which igneous rocks are formed.