Video: Qhov twg yog granite tsim nyob rau hauv lub roob hluav taws?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Granite Cov ntaub ntawv zoo li magma cools deb hauv qab lub ntiaj teb nto. Vim nws hardens tob underground nws txias heev maj mam. Qhov no tso cai rau cov muaju ntawm plaub cov zaub mov kom loj txaus kom pom tau yooj yim ntawm qhov muag liab qab.
Tom qab ntawd, hom hluav taws kub li cas granite tuaj ntawm?
Feem ntau basalts yog roob hluav taws nyob rau hauv keeb kwm thiab tau tsim los ntawm ceev ceev txias thiab hardening ntawm lub lava ntws. Qee cov basalts yog intrusive tau txias hauv lub ntiaj teb sab hauv. Granite yog ib lub pob zeb igneous ntawd yog muaj plaub yam minerals. Cov zaub mov no yog quartz, feldspar, mica, thiab feem ntau yog hornblende.
Tom qab, lo lus nug yog, yog granite ua los ntawm lava? Ib qho ntawm feem ntau pob zeb yog granite . Lub plaub minerals uas ua nce granite yog feldspar, quartz, mica, thiab hornblende. Granite yog tsim thaum magma txias maj mam tsim cov muaju ntawm plaub cov zaub mov uas ua nce pob zeb granite . Cov lava tau txias thiab tam sim no yog pob zeb volcanic hu ua basalt.
Thiab cov lus nug yog, yuav ua li cas granite tsim nyob rau hauv lub ntiaj teb?
Granite yog tsim nyob rau hauv lub crust ntawm lub Lub ntiaj teb Thaum Felsic magma, uas yog magma uas nplua nuj nyob rau hauv Silica, txias cia yam tsis ncav cuag qhov chaw. Qee cov yaj tuaj yeem ncav cuag qhov chaw raws li Rhyolite, tab sis feem ntau (qee qhov 95%) tseem nyob hauv qab av thiab txias maj mam tsim ib qho. granite.
Granite tuaj yeem pom qhov twg?
Feem ntau ntawm lub ntiaj teb continental crust yog ua los ntawm granite , thiab nws tsim cov cores ntawm lub teb chaws. Hauv North America, thaj chaw nyob ib puag ncig Canada Hudson Bay thiab txuas mus rau sab qab teb mus rau Minnesota muaj granite pob zeb.
Pom zoo:
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