tatanan
rhomb-porphyry 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.
lan argillite punika rock sedimentary nggoleki-grained utamané dumadi saka partikel lempung kang formulir saka lumpur lithified kang ngandut global partikel silt-ukuran.
komposisi
isi Mineral
Feldspar alkali, biotite, plagioclase, pyroxene
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz
senyawa isi
cao, cl, MgO
wesi (iii) oxide, kalium oxide, MgO, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
impact metamorphism
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, banyu erosi
erosi kimia