Video: Pob zeb hauv dab dej txhais li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Pob zeb hauv Sink . Ib qho ntawm cov kev hloov tshiab tsis ntev los no hauv kev ua rau koj tus kheej classy yog los ntawm kev tso pob zeb hauv koj dab dej . Nws yuav tsis saib qias neeg, raws li tus pob zeb zoo zoo nkhaus kom nkaum tag nrho cov av thiab filth koj ntxuav rau hauv lub dab dej . Tab sis vim cov pob zeb muab ib phab ntsa rau dej, ntau buildup yuav tshwm sim.
Yog li ntawd, puas tag nrho cov pob zeb puas?
Yog vim li cas feem ntau pob zeb dab dej yog vim txoj cai ntawm buoyancy, uas yog tag nrho txog li cas yam ntab los yog dab dej . Granite thiab pebbles feem ntau dab dej mus rau hauv qab tam sim ntawd. Thaum nws los txog pob zeb , pumice yog me ntsis ntawm oddball. Pumice muaj ntau pua lub npuas me me hauv nws.
Tsis tas li ntawd, cov pob zeb dej ntws puas muaj zog? Dej pob zeb yog ib txoj hauv kev zoo thiab yooj yim los koom nrog ntau lub ntiaj teb rau hauv ib puag ncig. Lub hauv av zog muab los ntawm cov pob zeb du no pab coj kev thaj yeeb nyab xeeb, kev vam meej thiab kev nplua nuj rau hauv ib cheeb tsam. Txawm hais tias hu ua dej pob zeb , lawv tsis muaj tuaj ncaj qha los ntawm a tus dej.
Ib yam li ntawd, hom pob zeb twg tsis tuaj yeem ntab saum dej?
Pumice
Cov roj hmab puas tuaj yeem ntab saum dej?
Kev tshawb fawb ntawm qhov ntom ntom thiab buoyancy txiav txim seb cov khoom puas yog yuav dab dej los yog ntab hauv dej . Piv txwv li, yog hais tias ib yam khoom density tsawg dua dej , nws yuav ntab . Nyob rau hauv cov ntaub ntawv ntawm roj hmab , nws ntab vim nws qhov ceev yog deb tsawg tshaj li ntawm dej.
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"
Koj puas tuaj yeem muab cov pob zeb tso rau hauv pob zeb tumbler?
Feem ntau hom pob zeb tsis ua haujlwm zoo hauv pob zeb tumbler. Yog tias koj sib tov zoo tumbling ntxhib nrog pob zeb uas qis dua qib qis, cov khoom, cov npoo ntse thiab tawg ntawm cov khoom hauv qab-tumbling-qib tej zaum yuav ua rau cov polish ntawm txhua lub pob zeb hauv lub thoob
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
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