tatanan
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.
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.
komposisi
isi Mineral
quartz, Silicon
amphibole, biotite, Feldspar, olivine, plagioclase, pyroxene
senyawa isi
silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, feo
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
-
metamorphism kakubur, metamorphism cataclastic, hidrotermal metamorphism, impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
-
-
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia
-