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EARTH'S LAYERED STRUCTURE
EARTH'S LAYERED STRUCTURE
The left side of the large cross section shows that Earth's interior is devided into three different layers based on compositional differences:
- the crust (low destity rock),
- mantle (high desitiy rock), and
- core (iron and nickel).
The right side of the large cross section depicts layers of the Earth's interior based on physical properties:
- the lithosphere (solid and rigid),
- asthenosphere (solid but mobile),
- lower mantle (solid),
- outer core (liquid), and
- inner core (solid).
The block diagram on the upper left shows an enlarged view of the upper portion of Earth's interior.
Slika 2.1: Sestava Zemlje
/ Figure 2.1: Earth's layered structure
/ Figure 2.1: Earth's layered structure
ZEMLJINA LUPINASTA ZGRADBA
ZEMLJINA LUPINASTA ZGRADBA
Leva stran večjega prereza prikazuje razdelitev Zemljine notranjosti na tri sloje glede na razlike v njihovi sestavi:
- skorjo (kamnine nizke gostote),
- plašč (kamnine visoke gostote) in
- jedro (železo in nikelj).
Desna stran večjega prereza pa prikazuje plasti Zemljine notranjosti razdeljene na podlagi njihovih fizični lastnosti:
- litosfero (trdno in togo),
- astenosfero (trdno a mobilno),
- spodnji plašč (trden),
- zunanje jedro (tekoče) in
- notrenje jedro (trdno).
Diagram levo zgoraj predstavlja povečan izsek zgornjega dela Zemljine notranjosti.
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