Lub pob zeb twg yog sedimentary hauv keeb kwm?
Lub pob zeb twg yog sedimentary hauv keeb kwm?

Video: Lub pob zeb twg yog sedimentary hauv keeb kwm?

Video: Lub pob zeb twg yog sedimentary hauv keeb kwm?
Video: Vajstwv Piv Li Lub Pob Zeb || Thoob Ham Nkauj Hmoob 2023 2024, Hlis ntuj nqeg
Anonim

Provenance yog lub reconstruction ntawm lub hauv paus chiv keeb ntawm sediments. Tag nrho cov pob zeb nthuav tawm ntawm lub ntiaj teb saum npoo yog raug rau lub cev lossis tshuaj lom neeg huab cua thiab tawg mus rau hauv finer grained sediment. Tag nrho peb hom pob zeb ( igneous , sedimentary thiab metamorphic pob zeb ) tuaj yeem yog qhov chaw ntawm sedimentary detritus.

Ib yam li ntawd, tib neeg nug, lub pob zeb twg yog sedimentary hauv keeb kwm thiab tsim?

Igneous pob zeb yog tsim los ntawm solidification ntawm cov khoom molten. Sedimentary pob zeb yog tsim los ntawm tsub zuj zuj ntawm fragmental khoom muab tau los ntawm preexisting pob zeb ntawm tej keeb kwm, raws li zoo raws li lub tsub zuj zuj ntawm organic khoom los yog precipitated khoom.

hom pob zeb twg tuaj yeem yog qhov chaw ntawm cov sediments? Kev piav qhia: Cov pob zeb sedimentary yog tsim thaum cov sediments tau tso thiab tom qab ntawd compacted thiab cemented ua ke. Recrystalization yog tus yam ntxwv ntawm cov pob zeb metamorphic. Tshuaj huab cua thiab qhov kev txiav txim ntawm dej tuaj yeem pab tsim thiab tso sediments.

Ib tug kuj nug, qhov twg yog pob zeb sedimentary?

Feem ntau Sedimentary pob zeb : Feem ntau sedimentary pob zeb muaj xws li sandstone, limestone, thiab shale. Cov no pob zeb feem ntau pib li sediments nqa nyob rau hauv cov dej ntws thiab tso rau hauv pas dej thiab dej hiav txwv. Thaum faus, lub sediments poob dej thiab ua cemented los ua pob zeb.

Dab tsi ntawm pob zeb yog ua los ntawm cov khoom.05 cm?

Sedimentary

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