Igneous pob zeb

Cov nplaim hluav taws tsis zoo yog tsim los ntawm cov ntaub ntawv volcanic, xws li magma.Subsurface kua magma txias thiab solidifies.Mineral gases thiab kua txig rau hauv cov pob zeb los tsim cov muaju thiab xim tshiab.

Granite: tsim feem ntau los ntawm quartz (35%), feldspar (45%) thiab potassium, feem ntau tsaus hauv xim.Vim me ntsis, yog tias muaj, ntawm calcite.Qhov kev ntxhib los mos yog ib qho nyuaj thiab yooj yim los tswj dua li marble, tab sis nws tseem muaj qhov thiab tuaj yeem tsim cov smudges.Granitesfaib rau hauvsib txawv raws li kev sib xyaw sib xyaw ntawm quartz, mica thiab feldspar.Black granite yog calcium feldspar, muaj cov quartz me me, feldspar, nws cov lus sib txawv tsis txawv ntawm cov granite tiag.