_:b1218240 . _:b1218240 "A marine hydrothermal vent is a marine benthic feature where heat generated due to tectonic activity, either at divergent plate boundaries or convergent ocean plates where back-arc spreading occurs, is released or 'vented' to the surface. The resultant high temperature water jets are laden with dissolved metals and minerals."^^ . _:b1218240 "PLB:plb"^^ . _:b1218240 "ISBN:044482619X"^^ . _:b1218240 . _:b1218240 .