picrite punika nggoleki-grained, hard rock 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.
biotite, olivine, plagioclase, pyrrhotite
al, cao, karbon dioksida, mg, MgO
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi