tatanan
rhomb-porphyry 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.
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
isi Mineral
Feldspar alkali, biotite, plagioclase, pyroxene
ora kasedhiya
senyawa isi
cao, cl, MgO
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
jinis metamorphism
impact metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, banyu erosi
erosi kimia, erosi gisik, erosi Glacier