Gneiss displays foliation txawv, sawv cev rau cov txheej txheej sib txawv uas muaj cov ntxhia sib txawv. Txawm li cas los xij, tsis zoo li slate thiab schist, gneiss tsis nyiam ua txhaum raws cov dav hlau ntawm foliation vim tias tsawg dua 50% ntawm cov zaub mov tsim thaum lub sij hawm metamorphism tau ua raws cov txheej nyias.
hom foliation twg gneiss muaj quizlet?
Nws yog tsim los ntawm metamorphosis ntawm granite, lossis pob zeb sedimentary. Gneiss qhia txhua foliation, sawv cev rau cov txheej txheej sib txawv uas muaj cov ntxhia sib txawv.
Gneiss foliated los ntawm dab tsi?
Gneiss yog pob zeb metamorphic tsim los ntawm hloov schist, granite, lossis pob zeb volcanic los ntawm kev kub ntxhov thiab siab Gneiss yog foliated, uas txhais tau hais tias nws muaj cov txheej txheem sib dua thiab tsaus dua. Cov khaubncaws sab nraud povtseg ntawm qhov sib txawv thiab tuaj yeem tshwm sim los ntawm kev siv lub zog hnyav los tsim gneiss.
Puas yog gneiss foliated heev?
Gneiss, cov pob zeb metamorphic uas muaj qhov sib txawv, uas pom tseeb hauv cov qauv tes los yog ntawm cov nplai me me. Gneiss feem ntau yog qhov txawv ntawm schist los ntawm nws cov foliation thiab schistosity; gneiss qhia txog zoo-tsim foliation thiab tsim tsis zoo schistosity thiab cleavage.
3 hom foliation yog dab tsi?
Muaj peb hom pob zeb foliated: slate, schist, thiab gneiss. Txhua hom sib txawv raws li qhov loj ntawm cov pob zeb hauv av thiab cov foliation li cas.
