Vim li cas thiaj hu ua schist?

Cov txheej txheem:

Vim li cas thiaj hu ua schist?
Vim li cas thiaj hu ua schist?

Video: Vim li cas thiaj hu ua schist?

Video: Vim li cas thiaj hu ua schist?
Video: vim li cas thiaj hu ua niam tais yawm txiv - kab toos saib lom zem 2024, Lub peb hlis ntuj
Anonim

Lo lus schist yog qhov kawg los ntawm Greek lo lus σχίζειν (schízein), txhais tau tias "sib cais", uas yog hais txog qhov yooj yim uas cov schists tuaj yeem faib raws lub dav hlau. nyob rau hauv uas cov platy minerals dag.

Puas muaj schist muaj kub?

Tab sis feem ntau, qhov siab dua cov ntsiab lus mica thiab cov nplej loj dua, qhov ntau koj yuav tsum ua tib zoo ua. Loj-grained schists suav nrog Magma Kub, Asterix, Saturnia, thiab Kosmus.

Slate hloov mus ua schist li cas?

Txhawm rau ua schist, shale yuav tsum tau hloov pauv hauv cov kauj ruam dhau los ntawm slate thiab tom qab ntawd los ntawm phyllite. Yog hais tias tus schist yog metamorphosed ntxiv, nws yuav dhau los ua pob zeb granular hu ua gneiss. … Qhov kev ntxhib los mos no tso cai rau cov pob zeb tawg mus rau hauv cov nplais nyias raws cov kev taw qhia ntawm platy ntxhia nplej.

pob zeb dab tsi yog schist?

Schist yog ib hom metamorphic pob zeb nyob rau hauv uas lamellar minerals, xws li muscovite, biotite, thiab chlorite, los yog prismatic minerals, xws li hornblende thiab tremolite, yog oriented parallel rau lub platy thib ob lossis laminated qauv hu ua schistosity.

schist zoo li cas?

Schist (/ʃɪst/ shist) yog medium-grained metamorphic pob zeb uas qhia tau hais tias schistosity. Qhov no txhais tau hais tias lub pob zeb yog tsim los ntawm cov pob zeb hauv av tau yooj yim pom nrog lub ntsej muag lub zog qis, taw qhia kom cov pob zeb tau yooj yim faib ua nyias nyias los yog daim hlau.

Pom zoo: