tatanan
picrite punika nggoleki-grained, hard rock 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.
oolites mbentuk nalika lapisan saka kalsit setor sak gandum wedhi utawa fosil Piece lan mbalek sak ing banyu kalem, kang ndadekake wong-wong mau babak.
komposisi
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
kalsit, chert, lempung, dolomite, quartz, wedhi, silt
senyawa isi
al, cao, karbon dioksida, mg, MgO
aluminium oxide, ca, NaCl, cao, wesi (iii) oxide, feo, MgO
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi gisik