Video: Qhov twg granite thiab basalt feem ntau tsim?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Granite . Basalt yog igneous, volcanic pob zeb uas cov ntaub ntawv feem ntau nyob rau hauv dej hiav txwv crust thiab qhov chaw ntawm continental crust. Nws daim ntawv los ntawm lava ntws uas extrude mus rau saum npoo thiab txias. Nws cov ntsiab lus tseem ceeb muaj xws li pyroxene, feldspar, thiab olivine.
Raws li txoj cai, granite thiab basalt zoo sib xws li cas?
Igneous pob zeb yog tsim los ntawm crystallisation ntawm magma. Qhov txawv ntawm granites thiab basalts yog nyob rau hauv cov ntsiab lus silica thiab lawv cov nqi cua txias. A basalt yog hais txog 53% SiO2, whereas granite yog 73%. (Plutonic pob zeb = tsim nyob rau hauv lub ntiaj teb).
Kuj Paub, uas yog nyuaj basalt lossis granite? Basalt huab cua nrawm dua granite vim nws tsis yog nyuaj thiab nws yooj yim dua rau cov khoom sab nraud los cuam tshuam thiab tswj nws cov qauv.
Ua raws li qhov xav tau, ua li cas basalt ua granite?
Thaum lub ntiaj teb thaum ntxov hauv qab dej hiav txwv tau ua los ntawm qhov tsaus ntuj, hnyav volcanic pob zeb hu ua basalt , dhau sij hawm, ib hom pob zeb sib zog tsim. Lub pob zeb no hu ua granite , ua buoyant. Nws ntab saum dej hiav txwv hauv pem teb thiab sib sau ua ke hauv cov txheej tuab, tsim cov av loj uas peb hu ua continents.
Vim li cas basalt thiab granite tseem ceeb igneous pob zeb?
Basalt thiab granite yog heev pob zeb tseem ceeb nyob rau lub ntiaj teb vim lawv tsim ib co ntawm lub ntiaj teb nto.
Pom zoo:
Peb cov zaub mov twg feem ntau pom muaj nyob hauv granite?
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