Txawm tias muaj ntau lub toj siab bas alts nyob rau hauv South America, South Africa, thiab India Ib qho kev tawg ua rau cov lava tawm mus rau hauv av feem ntau hu ua effusive eruption. (as opposed to the craze fragmentation of magma by explosive eruptions explosive eruptions In volcanology, explosive eruption is a volcanic eruption of the most volcanic type. xws li uas tau tshem tawm cov lava ua rau tawg ua rau hluav taws kub hnyiab thaum lub siab poob qis ntawm lub qhov cua. https://en.wikipedia.org › wiki › Explosive_eruption
tawg tawg tawg - Wikipedia
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pom cov hluav taws hluav taws kub nyob qhov twg?
Helens thiab Mount Pinatubo, uas ua rau cov xov xwm yav tsaus ntuj nyob qhov twg cov phiaj xwm sib tsoo ua ke. Qhov ntsiag to, "effusive" volcanoes, zoo li Iceland thiab Hawaii, feem ntau pom qhov twg daim hlau tuaj sib nrug los yog nyob nruab nrab ntawm ib phaj.
Ntawm daim phiaj ciam teb ua effusive eruptions tshwm sim?
Lub roob hluav taws tsis muaj tshauv ces lub roob hluav taws tsuas yog ua los ntawm lava xwb. Cov kev tawg no tshwm sim ntawm sib txawv ntawm daim phiaj ciam teb thiab hauv nruab nrab ntawm daim phiaj.
effusive thiab explosive eruptions tshwm sim nyob qhov twg?
Effusive eruption txawv ntawm qhov tawg tawg, qhov twg magma tau tawg ua rau tawg thiab sai sai tshem tawm ntawm lub roob hluav taws. Effusive eruptions feem ntau tshwm sim hauv bas altic magmas, tab sis lawv kuj tshwm sim hauv nruab nrab thiab felsic magmas.
tawg tawg tshwm sim nyob qhov twg?
Feem ntau tawg tawg tshwm sim nyob rau hauv volcanoes saum subduction zones, qhov twg ib lub phaj tectonic dhia hauv qab. Yim caum mus rau 120 mais hauv qab ntawm qhov chaw, magma cov ntaub ntawv thaum cov pob zeb ntawm lub mantle yaj saum lub phaj subducting.
