Name_______________________________________ Date___________________________ Block_________
Chapter 6 Rock Review
1. What do all types of rocks have in common? __________________________________________________.
2. List the three types of sedimentary rock and what they’re made of. a)__________________________________________________________________________________ b)__________________________________________________________________________________ c)__________________________________________________________________________________
3. Igneous rocks are classified according to __________________________ and ________________________.
4. Rocks formed from lava cooling rapidly on the surface are called __________________________________
and they form _____________________________ grains. List one example _________________________.
5. Describe the following characteristics of Mafic magma. Name an example .__________________________ color - ______________________ consistency - ___________________ minerals - ______________________
6. Rocks formed from magma cooling slowly underground are called _________________________________
and they form _____________________________ grains. List one example _________________________.
7. Describe the following characteristics of Felsic magma. Name an example .__________________________ color - ______________________ consistency - ___________________ minerals - ______________________
8. What size crystals do rocks have that cool extra fast? ____________________ Example _________________
9. What are the three types of rocks and how does each form? a) _________________________________________________________________________________ b) _________________________________________________________________________________ c) _________________________________________________________________________________
10. Which clastic sedimentary rock contains the largest sediment size?________________________________
11. What is the relationship between the length of time molten magma takes to cool and the size of the crystals in the rock formed by the magma?
__________________________________________________________________________________________
12. What is the difference between magma and lava? ______________________________________________
13. Visible horizontal layers found in sedimentary rock are called ____________________________________.
14. What kind of rock would be formed near a river? ______________________________________________
15. Metamorphic rocks are changed by _________________________________________________________.
16. What porous IR can float on water? _________________________________________________________

17. The 3 main types of rocks are classified according to ___________________________________________.
18. What characteristic is used to classify a rock as shale, sandstone, or conglomerate? ___________________
19. What is the name of the organic sedimentary rock made from the calcite in seashells?__________________
20. Why do glassy textured rocks like obsidian show no grains? _____________________________________
21a. How are granite and obsidian similar? _______________________________________________________
21b. How are obsidian and basalt similar? _______________________________________________________
22. What is the name of a very abundant felsic intrusive IR? ________________________________________
23. What is an igneous intrusion? ______________________________________________________________
24. What is the rock cycle?___________________________________________________________________
25. Which rocks can have ripple marks and fossils? _______________________________________________
26. Can any type of rock form from any type of rock? ______________________________________________
27. What is a geode? ________________________________________________________________________
28. Which type of rock has foliation? ___________________________________________________________
What is foliation? _______________________________________________________________________
Name 3 examples of rocks with foliated texture. _______________________________________________
29. What is contact metamorphism? ____________________________________________________________
30. What is a batholith? _____________________________________________________________________
Label the following volcanic landforms.