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.
amarga kanggo ngganti ing kondisi lingkungan, rocks sing digawe panas lan pressurized jero nang permukaan bumi. jadeitite kawangun saka panas nemen disebabake magma utawa dening tabrakan kuat lan gesekan lempeng tektonik.
komposisi
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
karbonat, magnetite, pyrrhotite, serpentine, sulfides
senyawa isi
al, cao, karbon dioksida, mg, MgO
ca, cao, karbon dioksida, kcl, MgO, belerang dioxide, belerang
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
metamorphism cataclastic, kontak metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
-
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi gisik, banyu erosi, angin erosi