The water rises back to the surface (6), where it mixes with cold seawater, forming black metal-sulfide compounds (7).
(The water; rises; back to the surface) (it; mixes; with cold seawater; forming black metal-sulfide compounds) Context(it mixes,List([47, 55))):(it; mixes with cold seawater forming; black metal-sulfide compounds)
it mixes,List([47, 55))
The water it it
rises mixes mixes with cold seawater forming
back to the surface
with cold seawater forming black metal-sulfide compounds
black metal-sulfide compounds