Cov txheej txheem:

Dab tsi yog hom folds?
Dab tsi yog hom folds?

Video: Dab tsi yog hom folds?

Video: Dab tsi yog hom folds?
Video: Yog hmoov dab tsi - Gao Nou Kue ft. Mang Vang (Official Music Video) New song 2020 2024, Kaum ib hlis
Anonim

Muaj peb qhov loj hom ntawm pob zeb folding : monoclines, synclines, thiab anticlines. Ib tug monocline yog ib qho yooj yim khoov nyob rau hauv cov pob zeb txheej kom lawv tsis kab rov tav. Anticlines yog muab tais pob zeb uas arch upward thiab poob deb ntawm qhov chaw ntawm lub quav.

Hauv qhov no, hom folds yog dab tsi?

Hom Folds

  • Anticline: linear, strata ib txwm poob ntawm qhov chaw axial, qhov qub tshaj plaws nyob hauv nruab nrab.
  • Syncline: linear, strata ib txwm poob mus rau axial center, yau tshaj strata nyob hauv nruab nrab.
  • Antiform: linear, strata poob deb ntawm axial center, hnub nyoog tsis paub, los yog inverted.

Tsis tas li ntawd, fold fault yog dab tsi? Ua txhaum thiab quav Yog hais tias ib tug loj slab los yog phaj ntawm lub ntiaj teb saum npoo yog maj mam squeezed, cov khoom pob zeb maj mam wrinkles thiab crumples. Nws cov khaubncaws sab nraud povtseg ua wavy quav . Thaum, nyob rau hauv lwm qhov chaw, pob zeb yog stretched los yog khoov lawv keej los yog phua raws cov ntsiab lus tsis muaj zog. Cov kab nrib pleb no hu ua ua txhaum.

Xav txog qhov no, dab tsi yog folds hauv geology?

Lub sij hawm quav yog siv rau hauv geology thaum ib los yog ib pawg ntawm cov qub tiaj tus, theem nto, xws li sedimentary strata, yog khoov los yog nkhaus raws li qhov tshwm sim ntawm lub siab thiab kub. Lawv tshwm sim ib leeg li cais quav thiab nyob rau hauv dav quav tsheb ciav hlau ntawm ntau qhov sib txawv, ntawm ntau yam teev.

Dab tsi ua rau folds?

Cov quav tshwm sim los ntawm tectonic siab thiab kev ntxhov siab nyob rau hauv cov pob zeb thiab es tsis yog tawg, lawv quav . Lawv yooj yim pom los ntawm qhov poob ntawm kab rov tav ntawm lub strata. Thaum lub zog tectonic ua rau ntawm cov pob zeb sedimentary yog ntau hom qauv.

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