GEOLOGY 111 - What three processes account for the origin of magma

9. What three processes account for the origin of magma?

10. List the four main pieces of evidence supporting the theory of continental drift, and give a location for each.

11. How are the atomic number and the atomic mass number of an element determined?

12. For each of the following, give a location on the earth: divergent plate boundary, transform plate boundary, convergent plate boundary, hot spot.

13. How do rock-forming minerals differ from any other mineral? Give examples from three categories of rock-forming minerals and list those categories as well.

14. What is the supercontinent cycle? A Canadian geologist was important in the proposal of the supercontinent cycle in the 1960's. Who was he?

15. Give three examples of mineral cleavage and explain how it occurs. Why do some minerals lack cleavage?

16. What two types of volcanic features result from volcanism above a mantle plume? How are hot spots related to plate boundaries?

17. How could you distinguish a volcanic crater from a caldera?