Cov txheej txheem:
Video: Plaub extrusive igneous pob zeb yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Piv txwv ntawm Extrusive Igneous Pob Zeb
- Basalt. Basalt yog cov nplua nuj hlau, xim tsaus heev extrusive igneous pob zeb .
- Obsidian. Obsidian, tseem hu ua volcanic iav, cov ntaub ntawv thaum silica-nplua nuj magma txias yuav luag tam sim, feem ntau vim yog kev sib cuag nrog dej.
- Andesite.
- Dacite.
- Rhyolite.
- Pumice.
- Scoria.
- Komatiite.
Ua ke, cov qauv dab tsi tuaj yeem tsim los ntawm extrusive igneous pob zeb?
Extrusive igneous pob zeb tawg mus rau hauv nto , qhov chaw uas lawv txias sai heev los tsim cov muaju me me. Qee qhov txias sai sai uas lawv tsim lub iav amorphous. Cov pob zeb no muaj xws li andesite, basalt, dacite, obsidian, pumice, rhyolite, scoria, thiab tuff.
Ib tug kuj yuav nug, dab tsi yog cov khoom ntawm extrusive igneous pob zeb? Igneous pob zeb uas tsim los ntawm crystallization ntawm magma nyob rau saum npoo ntawm lub ntiaj teb hu ua extrusive pob zeb . Lawv yog cov yam ntxwv los ntawm cov nplua-grained textures vim tias lawv cov cua txias ceev ntawm lossis ze ntawm qhov chaw tsis muaj sijhawm txaus rau cov muaju loj loj tuaj.
Nyob rau hauv no hais txog, uas yog ib tug extrusive igneous pob zeb?
Extrusive igneous pob zeb daim ntawv thaum magma nce mus txog lub ntiaj teb nto volcano thiab txias sai sai. Feem ntau extrusive (volcanic) pob zeb muaj me me crystals. Piv txwv li basalt, rhyolite, andesite, thiab obsidian.
Dab tsi yog plaub hom pob zeb igneous?
Raws li twb tau piav qhia lawm, igneous pob zeb raug cais rau hauv plaub pawg, raws li lawv cov chemistry lossis lawv cov ntxhia muaj pes tsawg leeg: felsic, nruab nrab, mafic, thiab ultramafic.
Pom zoo:
Dab tsi yog qhov txawv ntawm cov pob zeb tsis foliated thiab foliated metamorphic pob zeb?
Foliated metamorphic pob zeb xws li gneiss, phyllite, schist, thiab slate muaj ib txheej txheej los yog banded zoo li uas yog tsim los ntawm raug tshav kub thiab qhia siab. Non-foliated metamorphic pob zeb xws li hornfels, marble, quartzite, thiab novaculite tsis muaj txheej txheej lossis banded zoo li
Dab tsi yog pob zeb tsim cov ntxhia pob zeb?
Cov pob zeb tsim cov zaub mov yog: feldspars, quartz, amphiboles, micas, olivine, garnet, calcite, pyroxenes. Minerals tshwm sim nyob rau hauv ib lub pob zeb nyob rau hauv me me yog hu ua "accessory minerals"
Vim li cas qee qhov extrusive igneous pob zeb pom nyob hauv av?
Cov ntsiab lus. Intrusive igneous pob zeb txias los ntawm magma maj mam vim hais tias lawv faus rau hauv qab saum npoo, yog li lawv muaj cov muaju loj. Extrusive igneous pob zeb txias los ntawm lava sai heev vim lawv tsim ntawm qhov chaw, yog li lawv muaj cov muaju me me
Qhov twg ntawm cov plaub hau plaub hau yog ib txwm plaub hau plaub hau?
square Tsis tas li ntawd nug, qhov ntsuas ntawm ib lub quadrilateral tsis tu ncua yog dab tsi? Yog, sab hauv lub kaum sab xis ntawm txhua lub ces kaum ntawm ib lub quadrilateral tsis tu ncua yog txhua 90 degrees (360 degrees / 4 fab).
Dab tsi yog qhov txawv ntawm pob zeb intrusive thiab extrusive?
Extrusive igneous pob zeb tsim thaum magma nce mus txog lub ntiaj teb saum toj roob hluav taws thiab txias sai sai. Feem ntau extrusive (volcanic) pob zeb muaj cov muaju me me. Intrusive, los yog plutonic, igneous pob zeb tsim thaum magma txias qeeb hauv qab lub ntiaj teb nto. Feem ntau cov pob zeb intrusive muaj loj, zoo tsim muaju