foidolites punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
amphibole, biotite, Feldspar, olivine, plagioclase, pyroxene
aluminium oxide, cao, wesi (iii) oxide, feo
metamorphism kakubur, metamorphism cataclastic, hidrotermal metamorphism, impact metamorphism