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.
Schist kawangun dening metamorphism dinamis ing dhuwur Suhu lan tekanan sing aligns pari-parian saka mica, hornblende lan mineral elongated liyane menyang lapisan lancip.
isi Mineral
quartz, Silicon
alusite, amphibole, biotite, chlorite, epidote, Feldspar, garnet, grafit, hornblade, kyanite, micas, muscovite utawa illite, porphyroblasts, quartz, sillimanite, staurolite, talc
senyawa isi
silikon dioksida
cao, karbon dioksida, MgO
jinis udan
-
udan biologi, udan kimia, udan mechanical
jinis erosi
erosi kimia
erosi kimia, erosi gisik, erosi Glacier