2-Inside Our Earth Flashcards
Length of crust
35 km on the continental market and 5 km on ocean floor
Crust is made of which mineral
Sial
Silica and Aluminum
The oceanic crust is consist of
Sima
Silica and magnesium
Athenosphere
The asthenosphere is a weak, ductile layer of the Earth’s mantle that lies beneath the lithosphere and is characterized by low seismic wave velocities:
Mental is consist of
Sima
Silica Magnesium
Core is consist of
Nife
Nickel and ferrous ( iron)
Types of Rock
Igneous -
Sedimentry
metamorphic
Types of igneous rock
Introsive -granite
exclusive - sasalt
Fosile fule found in which rocks
Sedimentry roks
Metamorphic
Metamorphic rocks started out as some other type of rock, but have been substantially changed from their original igneous