tatanan
ignimbrites sing kawangun saka dicampur banget lingkungan diurutake saka awu vulkanik utawa tuff lan pumice lapilli, umum karo pecahan lithic kasebar.
tephrite 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
apatite, biotite, kalsit, chlorite, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz
Feldspar alkali, nepheline, plagioclase, pyroxene
senyawa isi
ca, NaCl
cao, karbon dioksida, MgO, silikon dioksida
transformasi
metamorphism
✔
✘
✔
✘
jinis metamorphism
metamorphism kakubur, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia
udan biologi, udan kimia, udan mechanical
erosi
✔
✘
✔
✘
jinis erosi
erosi kimia, erosi gisik
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi