Formasi Obsidian lan Gossan
Tatanan
tatanan
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
obahe bumi bisa nimbulaké rocks dadi salah siji rumiyin disarèkaké utawa squeezed lan Empu rocks sing digawe panas lan sijine ing meksa gedhe.
komposisi
isi Mineral
ora kasedhiya
apatite, augite, biotite, bronzite, kalsit, chert, epidote, Feldspar, hornblende, micas, plagioclase, pyroxene, quartz, sulfides, zirkon
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
aluminium oxide, cao, fe, feo, silikon dioksida, belerang
transformasi
metamorphism
Yes
No
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism
ora ditrapake
cuaca
Yes
No
jinis udan
udan biologi, udan kimia, udan mechanical
ora ditrapake
erosi
Yes
Yes
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
erosi kimia, erosi segara, angin erosi
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