Dab tsi phaj ciam ua daim ntaub thaiv volcanoes?
Dab tsi phaj ciam ua daim ntaub thaiv volcanoes?

Video: Dab tsi phaj ciam ua daim ntaub thaiv volcanoes?

Video: Dab tsi phaj ciam ua daim ntaub thaiv volcanoes?
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Anonim

sib txawv

Raws li txoj cai, qhov chaw thaiv hluav taws xob feem ntau tsim?

Shield volcanoes muaj nyob thoob ntiaj teb. Lawv ua tau daim ntawv hla cov hotspots (cov ntsiab lus uas magma los ntawm hauv qab lub qhov dej ntws), xws li Hawaiian-Emperor seamount chain thiab Galápagos Islands, los yog ntau tshaj qhov chaw sib cais, xws li Icelandic daim thaiv thiab cov tiv thaiv volcanoes ntawm East Africa.

Yuav ua li cas volcanoes tsim ntawm phaj ciam teb? Volcanoes muaj ntau nrog tectonic phaj ciam teb qhov twg dej hiav txwv daim hlau tog hauv qab daim hlau . Raws li ib tug phaj sinks tob rau hauv ib cheeb tsam subduction, nws heats thiab pib yaj, tsim magma. Volcanoes kuj muaj raws li tectonic ciam teb qhov twg daim hlau rub sib nrug, cia magma sawv los ntawm lub mantle.

Tsis tas li ntawd, dab tsi phaj ciam ua Stratovolcanoes tsim?

Stratovolcanoes feem ntau pom muaj nyob nrog subduction aav , uas yog ciam teb ntawm ob daim phiaj tectonic uas ib lub phaj dej hiav txwv nkag mus rau hauv lub mantle hauv qab lwm phaj tectonic.

Lub roob hluav taws loj tshaj plaws yog dab tsi?

Mauna Loa . Hawaii ob lub roob hluav taws loj tshaj plaws yog Mauna Loa (hauv keeb kwm yav dhau los rau S) thiab Mauna Kev.

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