Deep-Sea Rocks Spontaneously Combusted After Scientists Brought Them to the SurfaceT2Covered by 1 source · first reported by Gizmodo at 13 Oct, 19:35 UTCA recent discovery highlights an unforeseen potential hazard of deep-sea mining.SourcesT2Deep-Sea Rocks Spontaneously Combusted After Scientists Brought Them to the SurfaceGizmodo13 Oct, 19:35