Dab tsi yog qhov mantle qhov tob tob?

Video: Dab tsi yog qhov mantle qhov tob tob?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

255km ua

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov txheej txheem ntawm qhov tob tob?

Cov sab nraud core , txog 2, 200 mais (1, 367 mais) tuab, feem ntau yog tsim los ntawm cov kua hlau thiab npib tsib xee. NiFe hlau nplaum sab nraud core kub heev, ntawm 4, 500 ° thiab 5, 500 ° C (8, 132 ° thiab 9, 932 ° Fahrenheit).

qhov tob ntawm lub mantle yog dab tsi? Lub ntiaj teb mantle txuas mus rau ib qhov tob ntawm 2,890 km, ua rau nws lub thickness ntawm lub ntiaj teb. Cov mantle muab faib ua sab sauv thiab qis mantle , uas yog cais los ntawm kev hloov chaw. Qhov qis tshaj ntawm qhov mantle tom ntej no lub core- mantle Ciam teb yog hu ua D ″ (hais lus dee-double-prime) txheej.

Tsis tas li ntawd, txhua txheej ntawm lub ntiaj teb tob npaum li cas?

Lawv yog, los ntawm qhov tob tshaj plaws mus rau qhov qis tshaj, lub hauv paus tseem ceeb, lub hauv paus sab nraud, lub mantle thiab crust. Tsuas yog cov crust, tsis muaj leej twg tau tshawb pom cov no txheej hauv tus kheej. Qhov tseeb, tib neeg qhov tob tshaj plaws tau xyaum tau tsuas yog tshaj 12 mais (7.6 mais).

Qhov nruab nrab radius ntawm lub mantle yog dab tsi?

2900km ua

Pom zoo:

Qhov sib txawv ntawm qhov tob thiab qhov dav yog dab tsi?

Ntev yog ntev npaum li cas ib yam dab tsi, qhov dav yog qhov dav npaum li cas, qhov dav yog qhov dav npaum li cas, qhov siab yog qhov siab npaum li cas, thiab qhov tob yog qhov tob npaum li cas. kab lus piv txwv

Dab tsi yog qhov txawv ntawm kev nyeem qhov tob micrometer thiab sab nraud micrometer?

Qhov kev faib tawm no muaj peb qhov kev faib: sab hauv, sab nraud, thiab qhov tob micrometers. Sab hauv yog tsim los ntsuas qhov ntev ntawm ib qho khoom. Sab nraud yog ntsuas sab nraud txoj kab uas hla, lub thickness ntawm ib yam dab tsi, thiab ntev. Qhov tob yog ntsuas qhov tob ntawm qhov

Dab tsi yog qhov txawv ntawm qhov pom tseeb qhov loj thiab qhov ntsuas qhov ntsuas qhov tseeb?

Dab tsi yog qhov txawv ntawm qhov pom tseeb thiab qhov tseeb? Pom meej qhov loj npaum li cas yog qhov ci ntawm lub hnub qub tshwm los ntawm lub ntiaj teb thiab nyob ntawm qhov ci thiab qhov deb ntawm lub hnub qub. Qhov loj npaum li cas yog qhov ci ntawm lub hnub qub yuav tshwm sim los ntawm tus qauv nyob deb

Qhov nruab nrab qhov tob ntawm CCD calcite them qhov tob yog dab tsi)?

Lub calcite them nyiaj qhov tob nyob nruab nrab ntawm 4 thiab 6 km hauv cov dej hiav txwv niaj hnub no thiab aragonite them nyiaj qhov tob (ACD) tshwm sim nyob rau nruab nrab ntawm li 3 km saum toj no (Morse thiab Mackenzie, 1990 thiab cov ntaub ntawv nyob rau hauv)