tatanan
gabbro, a rock mafic, formulir amarga cooling lan crystallization saka magma ing ngisor permukaan bumi.
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.
komposisi
isi Mineral
augite, olivine, plagioclase, pyroxene
Feldspar alkali, biotite, plagioclase, pyroxene
senyawa isi
aluminium oxide, cao, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
cao, cl, MgO
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
impact metamorphism
impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan kimia
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi gisik
erosi kimia, erosi gisik, erosi Glacier, banyu erosi