黄鉄鉱[outekkou] iron pyrites
金鉱地[kinkouchi] gold field
原鉱[genkou] (raw) ore
鉱化[kouka] mineralize
鉱業[kougyou] mining industry

鉱山[kouzan] mine (ore)
鉱山技師[kouzangishi] mining engineer
鉱山業[kouzangyou] mining industry
鉱質[koushitsu] mineral
鉱床[koushou] ore deposit