Video: Dab tsi yog silica hauv magma?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Silica . Silicon dioxide, cov pob zeb uas muaj ntau tshaj plaws nyob rau hauv lub ntiaj teb thiab cov tseem ceeb molecular constituent ntawm volcanic pob zeb thiab magmas . Nws nyhav rau polymerize rau hauv cov saw hlau molecular, ua kom cov viscosity ntawm cov magma.
Ntxiv mus, dab tsi yog silica hauv 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. Lwm yam uas tswj magma viscosity muaj xws li qhov kub thiab txias, roj, cov ntsiab lus dej thiab tus nqi ntawm cov muaju hauv magma.
Tsis tas li ntawd, silica cov ntsiab lus tswj magma viscosity li cas? viscosity yog qhov tsis kam mus ntws (tawm tsam ntawm fluidity). viscosity nyob ntawm feem ntau ntawm cov muaj pes tsawg leeg magma , thiab kub. Siab dua SiO2 ( silica ) cov ntsiab lus magmas muaj siab dua viscosity qis dua SiO2 cov ntsiab lus magmas ( viscosity nce nrog nce SiO2 concentration nyob rau hauv magma ).
Ua kom pom qhov no, cov ntsiab lus silica hauv magma yog dab tsi?
Magmas uas muaj siab silica cov ntsiab lus Yog li ntawd yuav ua kom pom ntau dua ntawm polymerization, thiab muaj viscosities siab dua, dua li cov uas muaj tsawg- silica cov ntsiab lus . Tus nqi ntawm yaj gases nyob rau hauv lub magma kuj tuaj yeem cuam tshuam nws cov viscosity, tab sis nyob rau hauv ib txoj kev tsis meej tshaj qhov kub thiab txias silica cov ntsiab lus.
Cov ntsiab lus silica txhais li cas?
Piav: Ntshiab silica muaj cov tshuaj formula SiO2 - silicon dioxide . iav yog silica uas muaj cov qauv amorphous, uas txhais tau tias cov silicon thiab oxygen atoms tsis nyob rau hauv ib tug rov qab lattice. Felsic pob zeb muaj siab silica cov ntsiab lus , vim tias lawv muaj ntau cov quartz thiab lwm cov ntxhia hu ua feldspar.
Pom zoo:
Dab tsi Magma muaj cov ntsiab lus silica siab tshaj?
MAGMA COMPOSITION THIAB ROCK HOM SiO2 COV NTAUB NTAWV MAGMA HOM VOLCANIC ROCK ~ 50% Mafic Basalt ~ 60% Intermediate Andesite ~ 65% Felsic (tsawg Si) Dacite ~ 70% Felsic (siab Si) Rhyolite
Dab tsi yog Qhov Ib Feem Cuam Tshuam ntawm cov khoom hydrogen hauv cov methane ch4 yog dab tsi?
Cov feem pua ntawm cov ntsiab lus los ntawm Element Element Symbol Mass Percent Hydrogen H 25.132% Carbon C 74.868%
Vim li cas siab silica magma nyiam?
Viscosity yog qhov tsis kam ntws (tawm tsam ntawm fluidity). Siab dua SiO2 (silica) cov ntsiab lus magmas muaj viscosity ntau dua li SiO2 cov ntsiab lus magmas (viscosity nce nrog nce SiO2 concentration hauv magma)
Dab tsi yog silica nplua nuj magma?
Lub cev thiab tshuaj muaj zog ntawm magma. Feem ntau magmatic kua yog nplua nuj nyob rau hauv silica. Feem ntau hais lus, ntau mafic magmas, xws li cov uas tsim basalt, yog kub thiab tsawg viscous dua silica-nplua nuj magmas, xws li cov uas tsim rhyolite. Tsawg viscosity ua rau softer, tsawg tawg tawg
Dab tsi yog tsib lub hauv paus Circuit Court Cheebtsam lawv lub tsev yog dab tsi?
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