F4 Earth Structure and Global Tectonics Flashcards
1
Q
What depths does the inner core span?
A
6371 km - 5100 km
2
Q
Composition of inner core?
A
Solid iron, nickel, sulfur
3
Q
What is the discontinuity between the inner and outer core called?
A
Lehman
4
Q
What depths does the outer core span?
A
5100 km to 2900km
5
Q
Comp of outer core?
A
Liquid iron, nickel, sulfur
6
Q
What is the discontinuity between the outer core and mantle called?
A
Taylor-Gutenberg
7
Q
Depth of mantle?
A
2900km - 700km
8
Q
Comp of mantle?
A
Peridotite
9
Q
Name for main part of mantle?
A
Asthenosphere
10
Q
Depths of upper mantle?
A
700-35km
11
Q
Comp of upper mantle?
A
Peridotite
12
Q
Depth of crust
A
35 km - 0km
13
Q
Comp of crust?
A
Granitic
14
Q
Name for upper mantle and crust together
A
Lithosphere
15
Q
Boundary between upper mantle and crust?
A
Moho