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.
trachyandesite 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
Feldspar alkali, biotite, olivine, plagioclase, pyroxene, sodic plagioclase
senyawa isi
silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
-
metamorphism cataclastic, kontak metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
-
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia
erosi kimia, erosi gisik, banyu erosi, angin erosi