topic 1: the silicate earth Flashcards
1
Q
What is the name of what scientists believe the earth was before the formation of the solid crust?
A
Undifferentiated.
2
Q
What does the term undifferentiated refer to?
A
That the composition of the Earth was all the same, unlike how it is now.
3
Q
During Silicate Earth, the continental crust was?
A
Enriched.
4
Q
During Silicate Earth, the Upper mantle was?
A
Depleted.
5
Q
During Silicate Earth, the lower mantle was?
A
Primitive.
6
Q
What formed the present Earth?
A
Formation of the core.
7
Q
What is the Earth thought to be made of?
A
Chondrites.
8
Q
Why is the Earth thought to be made of Chondrites?
A
Because they have a similar composition to the Earth.
