Rocks The Reference Tables (Page 3 of 4) in pdf

Rocks The Reference Tables Page 3

Name _____________________________

Date ___________________

Rocks and the Reference Tables

Use the rock identification charts on pages 6-7 of the Earth Science Reference Tables to

answer the following questions

Scheme for Sedimentary Rock Identification

15. Name the three major groups of sedimentary rocks (refer to their textures).

___________________________________________________________

16. Describe the differences in how these groups of rocks formed.

___________________________________________________________

17. Explain the term clastic. ______________________________________

18. What is the particle size range for sand? _________________________

19. What mineral is Rock Salt made of? ____________________________

20. Which two rocks are composed of the remains of living things?

__________________________________________________________

21. Compare the mineral composition of clastic rocks with crystalline or

bioclastic rocks?_____________________________________________

__________________________________________________________

22. Explain a difference between conglomerate and breccia? ______________

__________________________________________________________

23. Explain how the grain size of clastic rocks indicates the water velocity or the energy

of the depositional environment?

___________________________________________________________

Rocks The Reference Tables Page 3