tatanan
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.
porphyry wis kawangun rong: magma cools alon jero ing lemah ndhuwur utawa magma punika ndingin kanthi cepet minangka erupts saka gunung mbledhos, nggawe butiran alit sing biasane bisa dideleng nganggo mripat wuda.
komposisi
isi Mineral
Feldspar alkali, nepheline, plagioclase, pyroxene
biotite, chert, Feldspar, garnet, grafit, quartz, silika
senyawa isi
cao, karbon dioksida, MgO, silikon dioksida
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, titanium dioxide
transformasi
metamorphism
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✘
✔
✘
jinis metamorphism
metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
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
erosi
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✘
✔
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jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi
erosi kimia, erosi gisik, erosi Glacier