Video: Lub npe pob zeb yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Muaj peb hom loj ntawm pob zeb : igneous pob zeb , metamorphic pob zeb , thiab sedimentary pob zeb.
Yog li ntawd, dab tsi yog hom pob zeb?
Peb hom tseem ceeb, lossis chav kawm, ntawm pob zeb yog sedimentary, metamorphic, thiab igneous thiab qhov sib txawv ntawm lawv yuav tsum ua li cas lawv raug tsim. Sedimentary pob zeb yog tsim los ntawm cov khoom ntawm cov xuab zeb, plhaub, pebbles, thiab lwm yam khoom tawg. Ua ke, tag nrho cov khoom no hu ua sediment.
Tsis tas li ntawd, dab tsi yog pob zeb? A pob zeb yog ib qho khoom sib sau ntawm cov pob zeb hauv av uas loj hlob los yog ua cemented ua ke. Ib txhia pob zeb loj thaum lwm tus me me. Me me pob zeb hu ua pebbles. Txhua pob zeb yog tsim los ntawm ib los yog ntau yam minerals. Geologists (cov neeg kawm pob zeb thiab minerals) faib pob zeb raws li txoj kev lawv tsim.
Raws li, pob zeb thiab hom pob zeb yog dab tsi?
Lub pob zeb yog ib yam khoom uas tshwm sim los yog sib sau ua ke ntawm cov zaub mov lossis cov teeb meem mineraloid. Nws yog categorized los ntawm cov zaub mov suav nrog, nws cov tshuaj muaj pes tsawg leeg thiab txoj hauv kev uas nws tsim. Pob zeb feem ntau muab faib ua peb pawg loj: igneous pob zeb , metamorphic pob zeb thiab sedimentary pob zeb.
Puas yog pob zeb diamond?
A pob zeb yog tsim los ntawm ob los yog ntau tshaj minerals. Cov kws tshawb fawb kwv yees tias lub ntiaj teb muaj txog 4,000 cov zaub mov txawv. Cov pob zeb diamond yog lub ntiaj teb cov ntxhia nyuaj tshaj plaws. A pob zeb diamond nyuaj heev uas yuav tau txiav ib pob zeb diamond nrog lwm tus pob zeb diamond.
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"
Lub npe ntawm lub raj los ntawm cov pob zeb molten ntws yog dab tsi?
Lub raj lava tsim thaum lub npoo ntawm lava txias thiab tawv, thaum lub molten sab hauv ntws los ntawm thiab ntws tawm. 21. Tshauv yog qhov thib ob tsawg tshaj plaws pyroclast
Lub npe rau lub pob zeb nruab nrab ntawm cov pob zeb uas txias heev yog dab tsi?
Extrusive igneous pob zeb
Dab tsi yog cov pob zeb niam txiv ntawm cov pob zeb metamorphic?
Metamorphic pob zeb Metamorphic pob zeb Texture Niam txiv pob zeb Phyllite Foliated Shale Schist Foliated Shale, granite thiab volcanic pob zeb Gneiss Foliated Shale, granite thiab volcanic pob zeb Marble Nonfoliated Limestone, dolostone