Green slate tuaj qhov twg?
Green slate tuaj qhov twg?

Video: Green slate tuaj qhov twg?

Video: Green slate tuaj qhov twg?
Video: Ntuj No Tuaj Lawm Koj Nyob Qhov Twg 5/10/2019 2024, Kaum ib hlis
Anonim

Hauv North America ntsuab slate los los ntawm Vermont, New York thiab Newfoundland. Qhov ntxoov ntxoo ntawm ntsuab yuav txawv nyob ntawm qhov chaw txua txiag zeb thiab cheeb tsam. Cov xim / ntxoov ntxoo kuj tseem tuaj yeem hloov pauv raws li cov neeg tsim khoom ntsib cov xim sib txawv hauv cov chaw txua txiag zeb.

Ntxiv mus, dab tsi ua rau Slate Green?

Ntsuab Slate Hauv slates uas tshwm ntsuab , qhov no yog vim chlorite - ib pawg ntawm cov ntawv sib xyaw silicate minerals uas tsim thaum lub sij hawm thaum ntxov ntawm metamorphism. Lawv feem ntau tsim nyob rau hauv pob zeb ib puag ncig uas cov zaub mov hloov pauv los ntawm tshav kub, siab thiab tshuaj lom neeg ua haujlwm.

Ib yam li ntawd, slate tuaj qhov twg? Slate yog ib qho zoo-grained, foliated, homogeneous metamorphic pob zeb muab tau los ntawm thawj shale-type sedimentary pob zeb uas muaj av nplaum los yog volcanic tshauv los ntawm qib qis hauv cheeb tsam metamorphism. Nws yog qhov zoo tshaj plaws grained foliated metamorphic pob zeb.

Qhov thib ob, qhov twg yog ntsuab slate pom?

Slate yog ib qho zoo-grained, homogeneous metamorphic pob zeb, uas yog foliated (hauv geology: muaj cov txheej, txheej). Nws tuaj yeem nyob hauv ntau hom grey tab sis tuaj yeem ua ntshav, ntsuab lub cij. Nws yog feem ntau quarried hauv Spain thiab Brazil tab sis kuj yog feem ntau pom nyob rau hauv teb chaws USA thiab nyob rau hauv teb chaws Aas Kiv thiab Asia.

Dab tsi yog qhov kev siv ntawm Slate?

Slate yog ib qho zoo-grained, foliated metamorphic pob zeb uas yog tsim los ntawm kev hloov pauv ntawm shale lossis av nkos los ntawm qib qis hauv cheeb tsam metamorphism. Nws yog nrov rau ntau yam kev siv xws li vov tsev, flooring, thiab chij vim nws cov kav ntev thiab txaus nyiam. tsos.

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