Dab tsi yog pob zeb Slate?
Dab tsi yog pob zeb Slate?

Video: Dab tsi yog pob zeb Slate?

Video: Dab tsi yog pob zeb Slate?
Video: tsi yog noog w hmoov - nyuamlauj - nkauj tawm tshiab 2024, Kaum ib hlis
Anonim

metamorphic pob zeb

Xav txog qhov no, puas yog slate pob zeb nyuaj lossis mos?

Mineral Properties Slate yog metamorphic pob zeb . Slate yog ua los ntawm parallel foliated daim hlau. Qhov no ua rau nws muaj peev xwm ua kom du thiab sib npaug ntawm nws qhov cleavage. Lub hardness ntawm pob zeb thiab cov zaub mov yog ntsuas los ntawm Mohs nplai, uas nyob ntawm ib mus rau 10 nrog ib qho yog softest thiab 10 yog qhov nyuaj tshaj.

Koj tuaj yeem qhia tau li cas yog pob zeb yog Slate? Slate yog metamorphic pob zeb nrog ib tug dull luster. Cov xim feem ntau ntawm slate yog grey, tab sis nws tuaj yeem ua xim av, ntsuab, ntshav, lossis xiav. Slate yog tsim thaum ib sedimentary pob zeb (shale, av nkos, los yog basalt) yog compressed. Lub sijhawm dhau mus, slate tuaj yeem hloov mus rau lwm yam metamorphic pob zeb , xws li phyllite lossis schist.

Kuj nug, yog slate ib lub pob zeb ntuj?

Nyob rau hauv thib tsib ntawm peb series ntawm blogs txog lub hauv paus chiv keeb ntawm ntuj pob zeb , peb tab tom saib qhov twg slate los ntawm. Slate yog ib qho zoo-grained, homogeneous metamorphic pob zeb, uas yog foliated (hauv geology: muaj cov txheej, txheej). Nws tuaj yeem ua rau ntau yam grey tab sis tuaj yeem ua ntshav, ntsuab lossis cyan.

Dab tsi yog niam txiv pob zeb ntawm slate?

shale

Pom zoo: