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.
Wangun eclogite saka tekanan dhuwur metamorphism saka batuan beku mafic utamané, basalt utawa gabbro minangka plunges menyang lapisan ing zona subduksi.
komposisi
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
amphibole, coesite, corundum, dolomite, garnet, kyanite, lawsonite, paragonite, phengite, pyroxene, quartz, rutile, zoisite
senyawa isi
al, cao, karbon dioksida, mg, MgO
aluminium oxide, NaCl, cao, karbon dioksida, wesi (iii) oxide, Magnesium karbonat, MgO, sodium oxide, kalium, sodium
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
-
cuaca
✔
✘
✔
✘
jinis udan
udan biologi
udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi segara