Cov Qauv Ntawm Metamorphic Pob Zeb 24 Yam
24 Cov Khoom / lub thawv, lub thawv loj 39.5x23x4.5cm
Raws li lawv cov keeb kwm, pob zeb tsuas yog muab faib ua peb pawg: pob zeb tsis zoo (cov pob zeb loj), cov pob zeb sedimentary thiab cov pob zeb metamorphic. Hauv tag nrho cov ntsej muag, cov pob zeb tsis zoo yog txog 95%, cov pob zeb txo pob zeb tsawg dua 5%, thiab cov pob zeb zeb yog qhov tsawg tshaj plaws. Txawm li cas los xij, nyob rau hauv qhov sib txawv, qhov kev faib tawm ntawm peb hom pob zeb sib txawv. 75% ntawm cov pob zeb saum npoo yog pob zeb pob zeb, thiab tsuas yog 25% ntawm cov pob zeb tsis zoo. Qhov kev sib sib zog nqus deb los ntawm sab saum npoo, ntau qhov cub thiab pob zeb pob zeb. Lub ntsej muag sib sib zog nqus thiab mantle sab saud yog tau feem ntau ntawm cov pob zeb tsis zoo thiab cov duab hluav taws xob tsis sib haum. Pob zeb dag muaj txog 64.7% ntawm tag nrho cov pob zeb pob zeb, pob zeb hmoov zeb yog 27.4%, thiab cov pob zeb sedimentary muaj txog 7,9%. Ntawm lawv, basalt thiab gabbro tus account rau 65.7% ntawm tag nrho cov pob zeb tsis zoo, thiab granite thiab lwm yam pob zeb muaj teeb ci muaj txog li 34%.
Qhov sib txawv ntawm peb hom pob zeb no tsis yog qhov tseeb. Raws li kev hloov pauv cov khoom pov tseg, lawv cov khoom tseem yuav hloov pauv. Raws li lub sijhawm thiab ib puag ncig hloov, lawv yuav hloov ua pob zeb ntawm lwm qhov xwm txheej
