1 Tatanan
1.1 tatanan
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.
Wangun Anthracite saka klempakan saka lebu tetanduran ing lingkungan rawa. nalika lebu tetanduran mati lan tumiba menyang rawa, banyu ngadeg rawa ngreksa saka bosok.
1.2 komposisi
1.2.1 isi Mineral
Feldspar alkali, biotite, olivine, plagioclase, pyroxene, sodic plagioclase
kalsit, lempung, mineral lempung
1.2.2 senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
karbon, hidrogen, nitrogen, oksigen, belerang
1.3 transformasi
1.3.1 metamorphism
1.3.2 jinis metamorphism
metamorphism cataclastic, kontak metamorphism, metamorphism regional
metamorphism kakubur, kontak metamorphism, metamorphism regional
1.3.3 cuaca
1.3.4 jinis udan
udan biologi, udan kimia, udan mechanical
ora ditrapake
1.3.5 erosi
1.3.6 jinis erosi
erosi kimia, erosi gisik, banyu erosi, angin erosi
ora ditrapake