tatanan
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.
Flint wis kawangun dening bosok lan compaction saka macem-macem organisme kayata kembang karang lan diatoms ing banyu.
isi Mineral
amphibole, biotite, Feldspar, olivine, plagioclase, pyroxene
Silicon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo
silikon dioksida
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, hidrotermal metamorphism, impact metamorphism
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jinis erosi
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erosi kimia, erosi gisik, banyu erosi