Dab tsi ntawm daim phiaj ciam teb yog Yellowstone?
Dab tsi ntawm daim phiaj ciam teb yog Yellowstone?

Video: Dab tsi ntawm daim phiaj ciam teb yog Yellowstone?

Video: Dab tsi ntawm daim phiaj ciam teb yog Yellowstone?
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Anonim

Cov North American Phaj yog rifting tsim ib magma plume ua rau geysers. Qee lub sij hawm lub ntiaj teb lub pob zeb tawg thiab cov kab nrib pleb hauv lub nplhaib qauv yuav ncav cuag magma reservoir tso siab thiab lub roob hluav taws yuav tawg. Yellowstone nyob nrog lub phaj tectonic tsis yog phaj ciam teb.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi phaj ciam yog Yellowstone caldera rau?

Cov Yellowstone hotspot yog lub roob hluav taws kub kub hauv Tebchaws Meskas lub luag haujlwm rau cov hluav taws kub loj hauv Idaho, Montana, Nevada, Oregon, thiab Wyoming raws li North American tectonic phaj tsiv hla nws. Nws tsim lub Eastern Snake River Plain los ntawm ib tug succession ntawm caldera - ua erruptions.

Qhov thib ob, hom phaj ciam teb yog North American phaj? ciam teb sib txawv

Ua li no, hom phaj ciam teb yog Grand Canyon?

Phaj tectonics yog lub luag haujlwm rau qhov kev txhawb nqa no, feem ntau tshwm sim 40 - 80 lab xyoo dhau los raws li North American thiab Pacific daim hlau tau sib tsoo. Qhov kev txhawb nqa no ua rau cov pob zeb uas tau muab tso rau hauv qab dej hiav txwv kom nce ntau txhiab ko taw saum hiav txwv theem hauv cheeb tsam Grand Canyon.

Yellowstone tsim li cas?

Ntau lab xyoo dhau los, ib qhov chaw ntawm lub tshav kub loj uas hu ua hotspot tsim nyob rau hauv lub ntiaj teb lub mantle hauv qab no yog dab tsi hnub no Yellowstone . Kwv yees li 600,000 xyoo dhau los, lub hotspot thawb ib tug loj plume ntawm magma mus rau lub ntiaj teb nto. Lub siab ntawm qhov kawg tau muab txoj hauv kev thaum tawg tsim nyob ib ncig ntawm lub plume ntug.

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