tatanan
Wangun Anthracite saka klempakan saka lebu tetanduran ing lingkungan rawa. nalika lebu tetanduran mati lan tumiba menyang rawa, banyu ngadeg rawa ngreksa saka bosok.
breccia punika rock sedimentary clastic kang dumadi saka pecahan bejat mineral utawa rock sing cemented bebarengan dening matriks nggoleki-grained lan formulir ngendi bejat, pecahan sudut saka rock utawa lebu Mineral nglumpukake.
komposisi
isi Mineral
kalsit, lempung, mineral lempung
kalsit, lempung, Feldspar, fosfat, quartz, silika
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
aluminium oxide, ca, NaCl, cao, wesi (iii) oxide, kalium oxide, sodium oxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, kontak metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic
cuaca
✔
✘
✔
✘
jinis udan
-
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
-
erosi kimia