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.
Wangun chert nalika microcrystals silikon dioksida tuwuh ing endapan alus sing dadi watu gamping utawa kapur. tatanan chert bisa dadi salah siji saka asal kimia utawa biologi.
komposisi
isi Mineral
amphibole, biotite, Feldspar, olivine, plagioclase, pyroxene
quartz, Silicon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo
silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, hidrotermal metamorphism, impact metamorphism
-
cuaca
✔
✘
✔
✘
jinis udan
-
-
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia