Dab tsi yog qhov khoom siv prism hauv thaj chaw?

Cov txheej txheem:

Dab tsi yog qhov khoom siv prism hauv thaj chaw?
Dab tsi yog qhov khoom siv prism hauv thaj chaw?
Anonim

Accretionary prisms yog mob siab rau deforming ua melange, uas yog lub cev ntawm lub pob zeb uas pom tau los ntawm qhov tsis muaj txaj tas mus li thiab suav nrog cov pob zeb ntawm txhua qhov ntau thiab tsawg (txog Ntau tshaj li ib mais hla) muaj nyob rau hauv cov nplua-grained, deformed matrix.

Lub ntsiab lus ntawm kev tsim cov prism yog dab tsi?

n. (Geological Science) geology lub cev ntawm deformed sediments, wedge-puab nyob rau hauv ob qhov ntev los yog prism-puab nyob rau hauv peb qhov ntev, uas tau raug khawb tawm ntawm lub hiav txwv lithosphere raws li nws txav downwards. hauv qab lub teb chaws los yog kob arc.

Yuav ua li cas thiaj ua tau ib lub geography?

Sediments, txheej saum toj kawg nkaus ntawm cov khoom siv ntawm cov phaj tectonic, uas sib sau thiab deform qhov twg dej hiav txwv thiab cov phiaj xwm av sib tsoo. Cov sediments no tau muab pov tseg rau saum toj ntawm cov nqes dej hiav txwv crustal thiab tau txuas ntxiv mus rau ntawm ntug ntawm daim av sab av loj.

Txoj siv txoj siv sia yog dab tsi thiab yuav ua li cas thiaj tsim tau?

Ib qho accretionary wedge los yog accretionary prism forms los ntawm cov sediments accreted mus rau lub non-subducting tectonic phaj ntawm ib tug convergent phaj ciam. … Cov complexes feem ntau yog ua los ntawm kev sib xyaw ntawm turbidites ntawm cov khoom siv hauv av, bas alts los ntawm dej hiav txwv pem teb, thiab pelagic thiab hemipelagic sediments.

daim ntawv accretionary wedge yog dab tsi?

Yuav ua li cas thiaj ua tau ib lub voj voogdaim ntawv? Ib daim ntawv accretionaryntawm cov npoo av sab av loj thaum lub subducting dej hiav txwv slab scrapes pieces ntawm nws tus kheej mus rau ntau buoyant continental slab. … Cov dej hiav txwv tob yog qhov chaw ntawm cov phaj convergence qhov twg ib phaj dej hiav txwv subducts hauv qab lwm phaj.

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