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.
gabbro, a rock mafic, formulir amarga cooling lan crystallization saka magma ing ngisor permukaan bumi.
komposisi
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
augite, olivine, plagioclase, pyroxene
senyawa isi
al, cao, karbon dioksida, mg, MgO
aluminium oxide, cao, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan kimia
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi gisik