1. Review Igneous and Metamorphic Rocks
Rock Vocabulary
Review Igneous and Metamorphic Rocks

2. This rock forms from magma found deep under Earth’s surface ________________

3. Answer: Igneous Rocks

4. Molten material found deep within the Earth ______________

5. Answer: Magma

6. Molten material on the surface of the Earth _______________.

7. Answer: Lava

8. Magma trapped below the surface forms large-grained _____________ _______________ rock when it cools.

9. Answer: Intrusive Igneous

10. Magma cooling at or near Earth’s surface forms small-grained ____________ _______________ rock.

11. Answer: Extrusive Igneous

12. List the 3 different types of Magma ____________, ______________, _________________.

13. Answer: Basaltic, Granitic, and Andesitic

14. What type of magma contains iron and magnesium and produces igneous rocks that are dark-colored?

15. Answer: Basaltic

16. What type of magma is thick and stiff and contains lots of silica and produces a lighter colored igneous rocks?

17. Answer: Granitic

18. What type of magma has a mineral composition between those of basaltic and granitic rocks?

19. Answer: Andesitic

20. Name the two ways we can identify igneous rocks.

21. Answer: 1) Texture-Crystal size 2) Mineral Content-Color

22. What type of rock is formed by heat and pressure?

23. Answer: Metamorphic Rocks

24. What type of texture does a metamorphic rock have when the mineral grains flatten and line up in parallel layers or band?

25. Answer: Foliated

26. What type of texture does a metamorphic rock have when mineral grains grow and rearrange but do not form layers?

27. Answer: Nonfoliated

28. Identify the following rocks as igneous or metamorphic.

29. A B

30. A=Granite/Ig.
B=Gneiss/Meta

31. A B

32. A=Pumice/Ig
B=Slate/Meta

33. A B

34. A=Basalt/Ig
B=Anthracite
Coal/Meta

35. A B

36. A=Gabbro/Ig
B=Marble/Meta

37. Identify the following minerals

38. This mineral is very soft!

39. Answer: Talc

40. What is the name of this mineral?

41. Answer: Feldspar

42. What is the name of this mineral?

43. Answer: Quartz

44. This mineral shows cleavage!

45. Answer: Mica