Dab tsi yog qhov nruab nrab atlantic ridge?

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Dab tsi yog qhov nruab nrab atlantic ridge?
Dab tsi yog qhov nruab nrab atlantic ridge?

Video: Dab tsi yog qhov nruab nrab atlantic ridge?

Video: Dab tsi yog qhov nruab nrab atlantic ridge?
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Lub Mid-Atlantic Ridge yog ib qho chaw nruab nrab ntawm dej hiav txwv nyob hauv pem teb ntawm Dej Hiav Txwv Atlantic, thiab ib feem ntawm cov roob ntev tshaj plaws hauv ntiaj teb. Nyob rau sab qaum teb Atlantic, lub roob sib cais North American los ntawm Eurasian Phaj thiab African Phaj, sab qaum teb thiab sab qab teb ntawm Azores Triple Junction feem.

Mid-Atlantic Ridge yog dab tsi thiab vim li cas nws tseem ceeb?

Nrab ntug hiav txwv dej yog qhov tseem ceeb geologically vim lawv tshwm sim raws li hom phaj ciam qhov chaw dej hiav txwv tshiab tsim raws li cov phiaj sib nrug Yog li lub ntug dej hiav txwv nruab nrab kuj tseem hu ua "spreading center" los yog "divergent phaj ciam teb." Cov phiajcim sib nrug ntawm tus nqi ntawm 1 cm mus rau 20 cm ib xyoos twg.

Mid-Atlantic Ridge yog dab tsi?

Mid-Atlantic Ridge, submarine ridge pw raws qaum teb-sab qab teb axis ntawm dej hiav txwv Atlantic; Nws nyob hauv nruab nrab ntawm lub phiab ntawm cov tiaj tiaj abyssal plains uas txuas ntxiv mus rau cov npoo ntawm cov ntug dej hiav txwv continental.

Yuav ua li cas ntawm Mid-Atlantic Ridge?

Raws li cov phiaj xwm tectonic txav sib nrug, pob zeb tau rub los ntawm qhov tob ntawm qhov sib kis thiab melts thaum nws depressurizes. Lub pob zeb molten nce mus rau hauv hiav txwvthiab txias los ua txheej txheej ntawm cov pob zeb uas ua rau hauv pem teb dej hiav txwv. … Seafloor kis ntawm Mid-Atlantic Ridge.

Mid-Atlantic Ridge ua pov thawj dab tsi?

Lub MAR yog li 3 km nyob rau hauv qhov siab saum toj no dej hiav txwv pem teb thiab 1000 mus rau 1500 km dav, muaj ntau yam kev hloov pauv thiab ib qho axial rift hav raws nws qhov ntev. Lub pob zeb tau pom nyob rau xyoo 1950. Nws qhov kev tshawb pom tau coj mus rau txoj kev xav ntawm kev sib kis hauv hiav txwv thiab kev lees paub dav dav ntawm Wegener txoj kev xav ntawm kev ya raws teb chaws

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