tatanan
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.
jasperoid jinis langka lan aneh saka rupane metasomatic saka rocks. iku kawangun dening rupane nemen saka rocks wall ing zona nyukur kang uga dumadi ing endapan, andesites, trachytes lan basalts.
komposisi
isi Mineral
biotite, chert, Feldspar, garnet, grafit, quartz, silika
mineral lempung, pyrite, quartz, sulfides
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, titanium dioxide
NaCl, cao, karbon dioksida, Magnesium karbonat, MgO
transformasi
metamorphism
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✘
✔
✘
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
cuaca
✔
✘
✔
✘
jinis udan
udan biologi, udan kimia
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erosi
✔
✘
✔
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jinis erosi
erosi kimia, erosi gisik, erosi Glacier
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