Jordskorpe






Tverrsnitt av jorda frå jordkjernen til eksosfæren.


Jordskorpa er den ytre delen av jorda og ligg over den underliggande mantelen. Grensa mellom dei to vert kalla Moho eller Mohorovičićs diskontinuitet. Under havområda er jordskorpa berre i snitt 8 til 10 km tjukk og består av bergartar av basaltisk samansetning. Under kontinenta er skorpa i snitt 35 km tjukk og har ei granittisk samansetning.



Kjelder |



  • «Jordskorpe» av Inge Bryhni i Store norske leksikon, snl.no.




Autoritetsdata


  • GND

  • NDL



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