Vim li cas qee qhov extrusive igneous pob zeb pom nyob hauv av?
Vim li cas qee qhov extrusive igneous pob zeb pom nyob hauv av?

Video: Vim li cas qee qhov extrusive igneous pob zeb pom nyob hauv av?

Video: Vim li cas qee qhov extrusive igneous pob zeb pom nyob hauv av?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Cov ntsiab lus. Intrusive igneous pob zeb txias los ntawm magma maj mam vim lawv faus rau hauv qab tus nto, yog li lawv muaj crystals loj. Extrusive igneous pob zeb txias los ntawm lava sai vim lawv tsim ntawm tus nto, yog li lawv muaj cov muaju me me.

Ib yam li ntawd, tib neeg nug, dab tsi yog qhov tseeb txog lub pob zeb extrusive igneous?

Extrusive igneous pob zeb daim ntawv saum npoo av. Lub lava txias sai sai thaum nws nchuav rau saum npoo (Daim duab hauv qab). Extrusive igneous pob zeb txias ntau sai dua intrusive pob zeb . Lub sij hawm txias ceev tsis pub lub sij hawm rau cov muaju loj los ua.

puas igneous pob zeb tsim underground? Igneous pob zeb yog tsim los ntawm lava magma . Magma yog molten pob zeb uas yog hauv av thiab lava yog molten pob zeb uas erupts tawm ntawm qhov chaw. Ob hom tseem ceeb ntawm igneous pob zeb yog plutonic pob zeb thiab volcanic pob zeb . Plutonic pob zeb yog tsim thaum magma cools thiab solidifies hauv av.

Hais txog qhov no, yuav ua li cas intrusive thiab extrusive igneous pob zeb tsim?

Ob pawg loj ntawm igneous pob zeb yog extrusive thiab cuam tshuam . Extrusive pob zeb yog tsim Nyob rau saum npoo ntawm lub ntiaj teb los ntawm lava, uas yog magma uas tau tawm hauv av. Nthuav pob zeb yog tsim los ntawm magma uas txias thiab solidifies nyob rau hauv lub crust ntawm lub ntiaj chaw.

Qhov twg yog extrusive igneous pob zeb tsim?

Extrusive igneous pob zeb , los yog volcanic, daim ntawv thaum magma ua rau nws txoj kev mus rau lub ntiaj teb nto. Lub molten pob zeb erupts los yog ntws saum npoo li lava, thiab ces txias tsim pob zeb . Lub lava los ntawm txheej saum toj kawg nkaus, ntawm 50 km thiab 150 km hauv qab lub ntiaj teb saum npoo.

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