Ib migmatite yog ib hom pob zeb metamorphic uas yog ib zaug sib xyaw ntawm cov kua silicate thiab cov khoom siv rov ua dua tshiab. Migmatite txhais tau tias cov pob zeb sib xyaw. Feem ntau cov migmatites daim ntawv thaum lub pob zeb metamorphic tau rhuab vim kev nkag mus ntawm magma (feem ntau granitic magma).
migmatite tsim li cas?
Ib migmatite yog pob zeb metamorphic tsim los ntawm anatexis uas feem ntau yog heterogeneous thiab khaws pov thawj ntawm ib feem ntawm melting ntawm microscopic rau macroscopic scale. Migmatites sawv cev rau kev hloov pauv ntawm metamorphic mus rau cov pob zeb tsis pom kev hauv lub voj voog pob zeb.
Vim li cas migmatite igneous thiab metamorphic?
Ib pob zeb heterogeneous silicate nrog cov khoom ntawm ob qho tib si igneous thiab metamorphic pob zeb. Qhov xwm txheej ntawm pob zeb tshwm sim los ntawm ib nrab melting(hu ua anatexis) uas tshwm sim thaum lub pob zeb ua ntej raug kev kub ntxhov thiab kub. …
metamorphism tshwm sim li cas?
Metamorphism tshwm sim vim pob zeb tau hloov pauv ntawm qhov kub thiab txias thiab tej zaum yuav raug kev ntxhov siab sib txawv thiab cov kua dej hydrothermal. Metamorphism tshwm sim vim qee cov zaub mov ruaj khov tsuas yog nyob rau hauv qee yam kev mob siab thiab kub. … Yog li kub siab dua tuaj yeem tshwm sim los ntawm kev faus pob zeb.
Koj qhia li cas yog pob zeb foliated los tsis?
A foliated metamorphic pob zeb yuav muaj cov ntxhia pob zeb. Cov pob zeb hauv av flakes yuav tshwm sim thaum uas tig mus rau pob zeb thiabyuav saib txheej. Thaum cov pob zeb foliated tawg, cov pob zeb nyias nyias yuav tshwm sim.
