Structure Of Earth Flashcards
1
Q
Oceanic crust
A
Thin, 7km
Made of basalt
Very dense
2
Q
Continental crust
A
Made of granite
3
Q
Lithosphere
A
Solid, rigid outer layer of crust and top of mantle
4
Q
Asthenosphere
A
Upper part of mantle and lower part of crust
Partly molten
5
Q
Inner core
A
7000Km thick
Composed of iron and nickel
6
Q
Tectonic plate
A
Large section of earth crust
7
Q
Crust
A
Hard outer layer of earth