The Solid Earth - Chapter 5: Composition of the Earth Flashcards
1
Q
The continental crust is made mostly of ____rocks
A
felsic
2
Q
What is the name of the deep sea-drilling ship that made recovery of ocean floor samples possible
A
Glomar Challenger
3
Q
____ rocks are thought to make up the mantle and provide the lava for oceanic eruptions
A
Ultramafic
4
Q
The concept of a molten iron outer core is further supported by the existence of the earth’s ________
A
magnetic field
5
Q
Iron is ___ times more dense than crustal rocks
A
3