Dab tsi nta tuaj yeem pom hauv cov pob zeb yas?
Dab tsi nta tuaj yeem pom hauv cov pob zeb yas?

Video: Dab tsi nta tuaj yeem pom hauv cov pob zeb yas?

Video: Dab tsi nta tuaj yeem pom hauv cov pob zeb yas?
Video: Zeb Muas - Foom Kom txiv tej lus kub (Nkauj Tawm Tshiab 2021 - 2022) 2024, Kaum ib hlis
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Clastic sedimentary pob zeb xws li breccia, conglomerate, sandstone, siltstone, thiab shale yog tsim los ntawm cov khoom siv hluav taws xob huab cua. Chemical sedimentary pob zeb , zoo li pob zeb ntsev, hlau ore, chert, flint, ib co dolomites, thiab ib co limestones, tsim thaum yaj cov ntaub ntawv precipitate los ntawm kev daws.

Hauv qhov no, yuav ua li cas cov pob zeb clastic tsim?

Clastic sedimentary pob zeb yog ua los ntawm cov khoom (clasts) ntawm pre-existing pob zeb . Tej daim pob zeb yog loosened los ntawm huab cua, ces thauj mus rau ib co phiab ordepression qhov twg sediment yog daig. Yog hais tias lub sediment yog faus tob, nws yuav compacted thiab cemented, ua sedimentary. pob zeb.

Tsis tas li ntawd, lub pob zeb twg muaj qhov zoo nkauj clastic? sedimentary pob zeb

Qhov thib ob, dab tsi yog qhov tseem ceeb ntawm cov pob zeb sedimentary?

Sediments tej zaum yuav muaj xws li: fragments ntawm lwm yam pob zeb uas feem ntau tau muab tso rau hauv me me, xws li xuab zeb, silt, los yog av nplaum. organic cov ntaub ntawv, los yog cov seem ntawm ib txwm muaj sia nyob. chemical precipitates, uas yog cov ntaub ntawv uas tau tso tseg tom qab dej evaporates los ntawm kev daws teeb meem.

Yuav ua li cas koj txheeb xyuas lub pob zeb clastic sedimentary?

Clastic Pob Zeb Cov muaj pes tsawg leeg ntawm clastic sedimentary pob zeb muab faib ua peb hom - av nplaum / silt, xuab zeb thiab gravel. Av nplaum thiab silt yog tsawg dua 1/16 mm. Cov no tsis pom cov unaidedeye. Xuab zeb yog clasts ntawm 1/16 thiab 2 mm nyob rau hauv loj, thiab gravel yog ntau tshaj 2 hli.

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