Video: Lub pob zeb lava zoo li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Sub-tsev neeg ntawm pob zeb uas form volcanic lava hu ua igneous pob zeb volcanic (kom lawv txawv ntawm qhov tsis pom kev pob zeb uas tsim los ntawm magma hauv qab qhov chaw, hu ua igneous plutonic pob zeb ). Tso cai kom txias maj mam, nws tsim ib lub teeb-xim, uniformly khoom pob zeb npe rhyolite.
Kuj paub yog, koj tuaj yeem qhia tau li cas yog lava pob zeb tiag?
Qhov tshwm sim saib a tiag tiag qauv thiab tom qab ntawd saib cov khoom xav tau. Thr qhov / npuas hauv lub lava yuav inconsistent nyob rau hauv loj. Yog lawv zoo ib yam nkaus thiab zoo tib yam ntawm txhua lub hlaws, muaj feem yuav yog tus txiv neej tsim, tsis yog cov khoom siv ntuj tsim.
Puas yog pob zeb volcanic tib yam li lava pob zeb? Ntxiv thiab, technically, lawv tsis yog tiag tiag lava . Lava yog qhov peb hu ua molten pob zeb uas ntws los ntawm ib qho active roob hluav taws , tom qab nws raug huab cua. Underground nws yog hu ua magma. Nws yog pob zeb volcanic , tshwj xeeb tshaj yog, feem ntau landscaping lava pob zeb yog hom pob zeb npe obsidian.
Ua li no, dab tsi xim yog lava pob zeb?
Xim ntawm Lava Pob Zeb Dab tsi muab lub pob zeb lava nws qhov chaw yog xim nws tuaj yeem pom hauv ib txwm muaj. Ib qho ntawm cov xim yog grey tsaus. Lwm cov xim uas tuaj yeem pom hauv pob zeb lava yog a liab xim nrog rau xim xiav-ntsuab.
Lava pob zeb ua dab tsi?
Qhov tseem ceeb, lava pob zeb outperforms ntoo mulch nyob rau hauv ib puag ncig ntub dej thiab yog ib qho kev ruaj ntseg rau kev nqhis dej turfs nyob rau hauv arid ib puag ncig vim nws muaj peev xwm tswj cov av kub.
Pom zoo:
Lub pob zeb twg loj dua pob zeb?
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Yuav ua li cas lub pob zeb sedimentary ua ib lub pob zeb metamorphic?
Sedimentary pob zeb ua metamorphic nyob rau hauv lub pob zeb voj voog thaum lawv raug tshav kub thiab siab los ntawm faus. Cov kub kub yog tsim thaum lub ntiaj teb daim hlau tectonic txav ib ncig, ua kom sov. Thiab thaum lawv sib tsoo, lawv tsim roob thiab metamorphose
Lub npe rau lub pob zeb nruab nrab ntawm cov pob zeb uas txias heev yog dab tsi?
Extrusive igneous pob zeb
Cov pob zeb hauv av twg tuaj yeem tsim cov pob zeb zoo li lub raum?
Hematite (los yog haematite) Kuj tseem muaj ntau hom hematite, qee yam yog: raum ore, ib qho loj, botryoidal (lumpy) lossis reniform (lub raum zoo li tus) daim ntawv; specularite, micaceous (flaky) daim ntawv; oolitic, ib daim ntawv sedimentary tsim los ntawm cov nplej me me; liab ochre, ib daim ntawv liab earthy
Lub pob zeb foliated twg yog qhov qis tshaj plaws metamorphic pob zeb?
slate Ua li no, marble puas yog qib qis metamorphic pob zeb? Qee qhov piv txwv ntawm non-foliated Cov pob zeb metamorphic yog marble , quartzite, thiab hornfels. Marble yog metamorphosed limestone. Thaum nws tsim, cov calcite crystals yuav loj hlob tuaj, thiab tej yam sedimentary textures thiab fossils uas muaj tam sim no raug puas tsuaj.