Nkag siab cov yam ntxwv tseem ceeb thiab kev siv ntawm siltstone

Siltstone, lub pob zeb sedimentary tsim feem ntau ntawm cov xuab zeb tawg, feem ntau yog quartz.

Siltstone tuaj yeem muab faib uaquartzsiltstone, feldspar siltstone thiab lithic siltstone raws li detrital muaj pes tsawg leeg. Ntxiv rau qhov muaj pes tsawg leeg ntawm cov cement tuaj yeem delimited.

Nws tau muab faib ua clayey siltstone, ferric siltstone, calcareous siltstone thiab dolometic siltstone.

Siltstone feem ntau yog siv hauv kev tsim kho kev lag luam. Piv txwv li, siltstone tuaj yeem siv los ua cov vuas luaj ceramic. Rau quartz siltstone, feem ntau yog siv los nteg kab lis kev cai pob zeb lossis pob zeb tsis sib haum.

Hmoov sandstone nceb pob zeb tom qab kho kom zoo nkauj lub tsev nto thiab phab ntsa metope tsis zoo ib yam lawm, ib hom kab lis kev cai thiab ntuj ua pa tshwm sim spontaneously, nceb pob zeb, ntsuab ib puag ncig tiv thaiv, yog hu ua" ntsuab" cov ntaub ntawv, tib lub sij hawm no hom hmoov sandstone nceb pob zeb yog tuab SLATE ntawm ciam teb cheeb tsam nrog cov cuab yeej xaiv nceb, feem ntau yog me ntsis khawb, siv cov cuab yeej tes thiab hom siltstone, Zoo li chaos thiab Vajtswv tsis tuaj xoob, yog xim. thiab luster kab kom tswj tau tej yam ntuj tso thiab thawj style, tsuas yog lub connotation ntawm pob zeb kev ntxhib los mos thiab artistic zaub, nyob rau hauv txoj kab nrog cov neeg tawm tswv yim xwm, rov qab mus rau lub natural kab lis kev cai tswvyim.