greenschist punika medium rock bahan metamorphic, kawangun dening metamorfosis saking mudstone utawa krikel, utawa sawetara jinis rock igneous, nalika lagi ngalami luwih Suhu lan tekanan.
Wangun krikel nalika partikel lempung banget nggoleki-grained sing setor ing banyu kang dumunung ing ngisor banyu badan. lagi mengko compacted Empu mbentuk krikel.
alusite, amphibole, biotite, chlorite, epidote, Feldspar, garnet, grafit, hornblade, kyanite, micas, muscovite utawa illite, porphyroblasts, quartz, serpentine, sillimanite, staurolite, talc
albite, biotite, kalsit, chert, chlorite, dolomite, hematite, micas, muscovite utawa illite, pyrite, quartz, silika, sulfides
cao, karbon dioksida, MgO
ca, fe, mg, silikon dioksida, sodium
erosi kimia, erosi gisik, erosi Glacier, erosi segara
erosi kimia, erosi gisik, erosi Glacier