2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Bas alt (UK: /ˈbæs. ɔːlt, -əlt/; US: /bəˈsɔːlt, ˈbeɪˌsɔːlt/) yog ib qho aphanitic extrusive igneous pob zeb tsim los ntawm cov cua txias sai ntawm cov nplua nuj magnesium hauv lava uas tsis muaj viscosity. thiab hlau (mafic lava) nthuav tawm ntawm lossis ze ze ntawm lub ntiaj teb pob zeb lossis lub hli. Ntau tshaj 90% ntawm tag nrho cov pob zeb volcanic hauv ntiaj teb yog bas alt.
Puas yog bas alt yog pob zeb tsis pom kev?
Bas alt, extrusive igneous (volcanic) pob zebuas tsis tshua muaj silica cov ntsiab lus, tsaus xim, thiab sib piv nplua nuj nyob rau hauv hlau thiab magnesium. Qee cov bas alts yog cov iav heev (tachylytes), thiab ntau yam zoo-grained thiab compact.
Vim li cas bas alt Lub pob zeb uas muaj ntau tshaj plaws?
Bas alt yog pob zeb mafic extrusive, yog qhov dav tshaj plaws ntawm tag nrho cov pob zeb tsis muaj zog, thiab muaj ntau dua 90% ntawm tag nrho cov pob zeb volcanic. Vim tias ntawm nws cov ntsiab lus silica tsawg, bas alt lava muaj qhov sib piv qis qis, thiab cov ntaub ntawv nyias nyias uas tuaj yeem mus tau ntev.
bas alt igneous pob zeb tsim li cas?
Bas alt yog pob zeb extrusive igneous uas yog xim dub heev. … Bas alt forms thaum lava nce mus txog lub ntiaj teb saum npoo ntawm lub roob hluav taws lossis nruab nrab dej hiav txwv ridge. Lub lava nyob nruab nrab ntawm 1100 txog 1250 ° C thaum nws mus rau saum npoo. Nws txias sai sai, ob peb hnub lossis ob peb lub lis piam, tsim cov pob zeb.
pob zeb bas alt yog dab tsi?
Bas alt yog a nyuaj, pob zeb dub volcanic. Bas alt yog hom pob zeb ntau tshaj plaws hauv ntiaj tebpob zeb. Nyob ntawm seb nws tawg li cas, bas alt tuaj yeem nyuaj thiab loj (Daim duab 1) lossis crumbly thiab puv npuas (Daim duab 2).
Pom zoo:
Puas yog pob zeb yog pob zeb?
Ib pob zeb yog feem ntau yog cov ntxhia, tab sis nws yog ib qho uas tau tsim cov muaju thiab tom qab ntawd raug txiav thiab polished kev tshaj lij los ua cov hniav nyiaj hniav kub. … Qee lub gemstones semiprecious muaj xws li amethyst, garnet, citrine, turquoise, thiab opal.
Puas yog leucite yog pob zeb lossis pob zeb?
Leucite, yog ib qho tseem ceeb tshaj plaws ntawm feldspathoid feldspathoid feldspathoid, ib qho ntawm ib pawg ntawm alkali aluminosilicate minerals zoo ib yam li cov feldspars hauv tshuaj muaj pes tsawg leeg tab sis txawm tias muaj qis dua silica-alkali piv.
Nyob hauv cov pob zeb tsis pom kev thiab cov pob zeb metamorphic?
Muaj peb hom pob zeb: igneous, sedimentary, thiab metamorphic. Igneous pob zeb tsim thaum molten pob zeb (magma los yog lava) txias thiab solidifies. … Metamorphic pob zeb tshwm sim thaum cov pob zeb uas twb muaj lawm hloov los ntawm tshav kub, siab, los yog reactive kua, xws li kub, mineral-laden dej.
Puas yog argillite yog pob zeb tsis pom kev?
Argillite yog pob zeb sedimentary pob zebtsim los ntawm cov av xuab zeb zoo thiab cov xuab zeb me me sib xyaw nrog cov hmoov tshauv volcanic zoo dua. Puas yog argillite yog cov tshuaj lom neeg pob zeb? Argillite (/ˈɑːrdʒɪlaɪt/) yog fine-grained sedimentary pob zeb muaj feem ntau ntawm cov av nplaum indurated.
Dab tsi yog cov pob zeb tsis pom kev metamorphic thiab sedimentary?
Igneous, Sedimentary, thiab Metamorphic. Igneous pob zeb yog tsim los ntawm cov pob zeb yaj hauv qhov tob hauv ntiaj teb. Cov pob zeb sedimentary yog tsim los ntawm txheej ntawm cov xuab zeb, silt, cov nroj tsuag tuag, thiab cov pob txha tsiaj.
