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苏家沟科马提岩呈透镜状残留体赋存于早元古代二长花岗岩中,主要由蛇纹石化橄榄科马提岩、透闪石岩、透闪片岩、阳起透闪片岩、绿泥透闪片岩、黑云阳起片岩等组成,具典型的鬣刺结构及变余鬣刺结构。该科马提岩的岩石学、岩石化学及结构特征与世界典型地区科马提岩极为相似,属橄榄科马提岩。
The lenticular remnants of the komatite rock in the Sujiagou area occur in the early Proterozoic monzogranite and are mainly composed of serpentinized olive komatiites, tremolite rocks, tremolite schist, Mud through flash rock schist, black Yunyang from schists and other components, with a typical structure of the hyenas and Yu Yu changes in the structure. The komatiite petrology, rock chemistry and structural characteristics and the typical area of the komatiite very similar to, is an olive katimatite.