Study Questions Texas Geology
1. What is the difference between a paleontologist and a mineralogist?



2. Which type of rock could have new minerals because it experienced heat and pressure?



3. List five events that helped shape Texas as we see it today.



4. What is the general name for the oldest rocks in the geologic time scale?



5. Describe the general appearance of Texas in the late Cretaceous period.



6. What is the difference between the dark colored rocks in the eastern Franklin Mountains and the light colored rocks in the Western Franklin Mountains?



7. How do geologists know that the sedimentary rocks in the Franklin Mountains were deposited in an ocean environment?



8. Explain the difference between intrusive and extrusive igneous rock, and give an example of where you can see each type in Big Bend National Park.



9. What is the difference between a graben and a horst, and how did they form?



10. Describe the area on either side of the Caprock Escarpment.



11. Based on the description, what type of rock makes up Palo Duro Canyon: igneous, metamorphic, or sedimentary?



12. Give the names for the major geographical area that surround Austin.



13. Describe two hazards that people in the Austin area have experienced in the past 130 years.



14. Explain why Enchanted Rock is known as the “Haunted Mountain.”



15. What kind of rock makes this mountain?



16. Based on what you have learned about Enchanted Rock, write a short advertisement to encourage people to visit the area.



17. .Do you think that construction of new homes and businesses should be kept a certain distance away from the karst area? Explain why.



18. .Which type of weather would you rather have if you were visiting Natural Bridge Caverns? Explain why.



19. Using the third paragraph in this passage, write a short recipe for finding a place to drill for oil.



20. Why is there so much oil in the Permian Basin?



21. Name the special feature of the Guadalupe Mountains. What once covered this formation?



22. Describe how Padre Island is changing, and how it could look different from one summer to the next.