nephelinite 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. 0
clinopyroxene, nepheline, plagioclase 0
ca, cao, karbon, cl, MgO 0
udan biologi, udan kimia, udan mechanical 0
erosi kimia, banyu erosi, angin erosi 0