Puas yog rift valleys form?

Cov txheej txheem:

Puas yog rift valleys form?
Puas yog rift valleys form?
Anonim

Ib lub rift valley yog ib cheeb tsam lowland uas tsim lub ntiaj teb daim hlau tectonic txav sib nrug, los yog rift. Rift valleys pom ob leeg ntawm av thiab hauv qab dej hiav txwv , qhov uas lawv tsim los ntawm cov txheej txheem ntawm seafloor kis seafloor kis Seafloor kis yog txheej txheem geological uas tectonic daim hlau-slabs loj ntawm lub ntiaj teb lithosphere-sib nrug ntawm ib leeg. … Qhov tsawg-tuab cov khoom muaj nqis, feem ntau ua lub roob lossis thaj chaw ntawm ntug hiav txwv. Thaum kawg, lub crusts tawg. https://www.nationalgeographic.org › seafloor-spreading

Seafloor Spreading - Phaj Tectonics - National Geographic Society

Pib ciam teb ua rift valleys li cas?

Tej thaj chaw uas daim phiaj sib tsoo ua ib thaj tsam sib koom ua ke, thiab thaj chaw uas daim hlau nthuav dav tsim thaj tsam sib txawv. Rift valleys yog tsim los ntawm cov ciam teb sib txawv uas koom nrog cov phiaj xwm av loj.

rift valley feem ntau tshwm sim nyob qhov twg?

Rift hav yog tsim los ntawm ib txwm ua txhaum ntawm thaj tsam sib txawv. Lub kwj ha uas dav tshaj plaws yog nyob raws lub crest ntawm nruab nrab dej hiav txwv ridge system thiab yog qhov tshwm sim ntawm hiav txwv pem teb kis. Piv txwv ntawm hom kev sib cais no kuj suav nrog Mid-Atlantic Ridge thiab East Pacific Rise.

kev sib cais tshwm sim nyob qhov twg?

Kev sib tw loj tshwm sim raws lub hauv paus axis ntawm feem ntau nruab nrab dej hiav txwv ridges, qhov chaw tshiab dej hiav txwv crust thiab lithosphere yogtsim raws tus ciam teb sib txawv ntawm ob daim phiaj tectonic. Cov kev tsis sib haum xeeb yog qhov tshwm sim ntawm kev sib tsoo sab av loj uas ua tsis tiav mus txuas ntxiv mus rau qhov kev tawg.

ridges form nyob qhov twg thiab qhov twg rift valleys?

Ntau lub submarine rift kwj ha tau pom nyob rau hauv cov crests ntawm cov ridges loj uas khiav thoob plaws ntiaj teb dej hiav txwv. Cov ridges no yog qhov chaw ntawm ntug hiav txwv sib kis: thaj chaw uas magma los ntawm lub mantle tau zoo, txias los tsim cov dej hiav txwv tshiab, thiab txav deb ntawm cov crests ntawm ob qho tib si.

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