Just for fun
1. What is this a picture off?
A: A couple of circles
B: A volcano from above
C: A load of swirls
D: I really haven't got a clue!
2. Can all of a parent isotope decay into its daughter isotope?
A: Yes
B: No
3. Which of the following statements concerning this diagram is correct?
A: A discordant intrusion is called a dyke and a concordant intrusion is called a sill
B: A discordant intrusion is called a sill and a concordant intrusion is called lava
C: A discordant intrusion is called a sill and a concordant intrusion is called a batholith
D: A discordant intrusion is called a volcanic pipe and a concordant intrusion is called a dyke