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.
tatanan lamprophyre njupuk Panggonan jero ngisor permukaan bumi ing watara 150 kanggo 450 kilometer, lan sing njeblug kanthi cepet lan kejem.
komposisi
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
amphibole, karbonat, garnet, micas, olivine, phlogopite, pyroxene
senyawa isi
al, cao, karbon dioksida, mg, MgO
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
metamorphism cataclastic, impact metamorphism
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan biologi
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, banyu erosi, angin erosi