tatanan
Wangun rock pumice nalika magma cools supaya cepet sing atom ing nyawiji sing ora bisa kanggo ngatur piyambak menyang struktur kristal.
tachylite 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
oksida aluminium, kalsit, karbonat, oksida wesi, silika
Feldspar, olivine
senyawa isi
al, aluminium oxide, cao, karbon dioksida, MgO, silikon dioksida
fe, mg
transformasi
metamorphism
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✘
✔
✘
jinis metamorphism
metamorphism kakubur, impact metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
cuaca
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✘
✔
✘
jinis udan
udan biologi, udan kimia, udan mechanical
udan biologi, udan kimia, udan mechanical
erosi
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✘
✔
✘
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
erosi kimia, erosi segara, banyu erosi, angin erosi