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.
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.
isi Mineral
Feldspar alkali, biotite, plagioclase, pyroxene
mineral lempung, pyrite, quartz, sulfides
senyawa isi
cao, cl, MgO
NaCl, cao, karbon dioksida, Magnesium karbonat, MgO
jinis metamorphism
impact metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
jinis udan
udan biologi, udan kimia, udan mechanical
ora ditrapake
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, banyu erosi
ora ditrapake