Video: Kame Terrace yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kame terrace . Txhais: lub tiaj-topped mound los yog toj uas muaj cov xuab zeb thiab gravel tso los ntawm meltwater nyob rau hauv lub qub glacial pas dej. Kame terraces daim ntawv thaum sediment accumulates nyob rau hauv lub pas dej thiab pas dej dai ntawm lobes ntawm glacier ice los yog ntawm ib tug glacier thiab lub hav.
Ib yam li ntawd, Kame landform yog dab tsi?
A kam yog glacial daim av , ib qho irregularly zoo li lub roob los yog mound muaj li ntawm xuab zeb, gravel thiab kom txog thaum uas accumulates nyob rau hauv ib tug kev nyuaj siab ntawm ib tug retreating glacier, thiab ces muab tso rau ntawm lub teb chaws nto nrog ntxiv melting ntawm lub glacier.
Tsis tas li ntawd, dab tsi yog lub raj mis hauv geology? Kettle , kuj hu Kettle Qhov, in geology , kev nyuaj siab nyob rau hauv ib tug glacial outwash drift ua los ntawm cov melting ntawm ib tug detached loj ntawm glacial ice uas ua tag nrho los yog ib nrab faus. Qhov tshwm sim ntawm cov dej khov khov khov no tau xav tias yog qhov tshwm sim ntawm kev sib sau ua ke ntawm cov dej ntws tawm mus rau saum lub qhov dej khov tsis tu ncua.
Kuj nug, qhov txawv ntawm Esker thiab Kame yog dab tsi?
Nco ntsoov tias cov no sib txawv tsis cuam tshuam rau cov txheej txheem ntawm huab cua tom qab niam txiv cov khoom tso tawm (piv txwv li, lawv tsis yog pedogenic). Kame : ib tug mound-zoo li toj ntawm ice-contact stratified drift. Esker : ib tug ntev nqaim ice-contact ridge. Eskers feem ntau yog sinuous thiab muaj li ntawm stratified drift.
Moraine hauv av yog dab tsi?
A hauv av moraine muaj ib daim pam tsis tu ncua ntawm mus txog rau hauv ib lub glacier. Uas feem ntau ntawm av nplaum thiab xuab zeb, nws yog qhov nthuav dav tshaj plaws ntawm cov dej khov nab kuab.
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Kames yog mounds ntawm sediment uas tso rau pem hauv ntej ntawm ib tug maj mam yaj los yog nyob twj ywm glacier / daim ntawv dej khov. Cov sediment muaj cov xuab zeb thiab gravels, thiab tsim mus rau hauv mounds raws li cov dej khov yaj thiab ntau cov sediment tso rau saum cov khib nyiab qub