Video: Dab tsi yog silica nplua nuj magma?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Lub cev thiab tshuaj muaj zog ntawm magma . Feem ntau magmatic kua yog nplua nuj hauv silica . Feem ntau hais lus, ntau mafic magmas , xws li cov uas tsim basalt, yog kub thiab tsawg viscous ntau dua silica - nplua nuj magmas , xws li cov uas tsim rhyolite. Tsawg viscosity ua rau softer, tsawg tawg tawg.
Raws li txoj cai, yog vim li cas silica nplua nuj magma tawg?
Magnet uas tau teeb tsa siab silica cov ntsiab lus kuj nyiam ua rau tawg tawg. Silica nplua nuj magma muaj ib tug nruj sib xws. tawv magma kuj tiv thaiv dej vapor thiab lwm yam gases los ntawm kev khiav tau yooj yim yog li ntawd yog ntxiv siab ntxiv. yog li nws thiaj li muaj ntau lub siab thiab nws tawg.
Tom qab ntawd, lo lus nug yog, silica cuam tshuam li cas lava? Silica : Influences lava viscosity thiab tag nrho cov duab ntawm lub roob hluav taws. Silica molecules tsim ib daim ntawv cog lus muaj zog uas tso cai rau kev nkag ntawm cov roj hluav taws xob hluav taws xob thiab txhawb nqa cov hluav taws hluav taws xob tawg. Tsawg-silican magmas tso cai rau kev khiav tawm sai ntawm cov pa roj thiab tawg tawg tsawg.
Yog li ntawd, hom magma twg muaj cov silica ntau tshaj?
Rhyolitic magma muaj feem ntau silica.
magma yog dab tsi?
Magma yog lub pob zeb molten thiab semi-molten sib xyaw pom nyob hauv qab ntawm lub ntiaj teb. Qhov sib tov no feem ntau yog ua nce ntawm plaub ntu: lub hauv paus kua dej kub, hu ua yaj; minerals crystallized los ntawm yaj; cov pob zeb sib xyaw ua ke rau hauv cov yaj los ntawm cov chaw nyob ib puag ncig; thiab yaj gases.
Pom zoo:
Yuav ua li cas koj thiaj paub tias ib yam dab tsi muaj nuj nqi los yog tsis?
LUS TEB: Cov lus teb piv txwv: Koj tuaj yeem txiav txim siab seb txhua lub ntsiab lus ntawm lub npe yog ua ke nrog ib qho ntawm qhov ntau. Piv txwv li, yog tias muab ib daim duab, koj tuaj yeem siv qhov ntsuas kab ntsug; Yog hais tias ib txoj kab ntsug hla cov duab ntau dua ib zaug, ces qhov kev sib raug zoo uas cov duab sawv cev tsis yog ib qho haujlwm
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