Geological term for a specific intrusive igneous rock. Usually treated as an uncountable material noun but a plural exists when referring to distinct bodies or samples.
The drill core revealed layers of gabbro-norite underlying the sulfide ore.
Керн показал слои габбронорита под сульфидной рудой.
Used attributively before another noun (e.g., "gabbro-norite intrusion").
The gabbro-norite sill hosts significant platinum-group metals.
Габброноритовый сил содержит значительные запасы металлов платиновой группы.