Dab tsi yog load kub?
Dab tsi yog load kub?

Video: Dab tsi yog load kub?

Video: Dab tsi yog load kub?
Video: Xwm Kab Yog Dab Tsi?: Hmoob Nkag Siab Yuam Kev Tag Lawm 2024, Kaum ib hlis
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Hauv geology, a loj yog ib tug deposit ntawm metalliferous ore uas sau los yog embedded nyob rau hauv ib tug fissure (los yog tawg) nyob rau hauv ib tug pob zeb tsim los yog ib tug hlab ntsha ntawm ore uas yog deposited los yog embedded ntawm txheej ntawm pob zeb. Qhov loj tshaj kub lod nyob rau hauv lub tebchaws United States yog lub Homestake Lode.

Hauv qhov no, qhov txawv ntawm placer thiab lode kub yog dab tsi?

Feem ntau hais lus, qhov chaw mining yuav sifting los ntawm gravel kom cais cov pieces ntawm kub . Qhov chaw mining yuav ua tau los ntawm ib tug prospector nrog kub pan. Cov txheej txheem ntawm loj , los yog pob zeb nyuaj, mining, ntawm qhov tod tes, yog txheej txheem uas kub yog rho tawm ncaj qha los ntawm loj hauv qab av.

Ib yam li ntawd, qhov txawv ntawm qhov kev thov lode thiab qhov kev thov placer yog dab tsi? Lode Claims cover classic veins los yog loj muaj ib thaj tsam zoo thiab tseem muaj lwm cov pob zeb hauv - qhov chaw bearing muaj nuj nqis mineral deposits. Placer Claims npog tag nrho cov deposits tsis raug rau loj claims.

Khaws qhov no rau hauv kev xav, dab tsi yog load kub?

Lode mining tseem hu ua hard rock mining. Keeb kwm, tag nrho kub yog tso rau hauv a loj los yog cov hlab ntsha uas muaj cov ntxhia hauv pob zeb, xws li cov kub -Txoj kev nplua nuj nrhiav pom nyob hauv roob nyuj. Cov txheej txheem ntawm placer mining yuav tsum sau lub lauj kaub nrog cov crushed ore kom cais cov kub.

Qhov twg kub feem ntau pom?

Nyob hauv South Africa , Witwatersrand Basin sawv cev rau thaj chaw nplua nuj tshaj plaws uas tau pom. Nws kwv yees li 40% ntawm tag nrho cov kub uas tau mined tau tawm ntawm lub Phiab. Xyoo 1970, Sab qab teb Africa cov khoom lag luam suav txog 79% ntawm lub ntiaj teb kub ntau lawm.

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