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.
mineral lempung, pyrite, quartz, sulfides
NaCl, cao, karbon dioksida, Magnesium karbonat, MgO
metamorphism kakubur, metamorphism cataclastic, metamorphism regional