| 1) | Which two geologic principles are most important in relative dating of rocks? |
| |
| 2) | What is uniformitarianism? |
| |
| 3) | How would you apply the principle of uniformitarianism in interpreting the origins of a sedimentary rock? |
| |
| 4) | What types of depositional environments best display the principles of superposition? |
| |
| 5) | What is a facies? |
| |
| 6) | What is "Walther's Law"? |
| |
| | A) What does it does it predict about facies relationships, why? |
| |
| 7) | List three organisms that could produce environment-independent fossils |
| |
| 8) | Why is the Hadean not considered a part of the geologic time scale |
| |
| 9) | What types of fossils are found in the Cryptozoic Eon |
| |
| 10) | Match the following fossils with the geologic time period when they occur |
| |
A. hominid bones
B. trilobites
C. first land plant fossils
D. first mammal fossils
E. dinosaur bones
|
1. Paleozoic
2. Cretaceous
3. Triassic
4. Pleistocene
5. Silurian
|
|
| 11) | List the periods present in each of the following |
| |
| | A) Paleozoic |
| |
| | B) Mesozoic |
| |
| | C) Cenozoic |
| |
| 12) | What assumptions were made in determining the age of the earth based on salt concentration of the oceans? |
| |
| 13) | Lord Kelvin suggested the age of the earth was relatively young. |
| |
| | A) What evidence did he use? What information was he missing? |
| |
| 14) | Why is Carbon-14 not used to age date dinosaur bones? |
| |
| 15) | What is a half-life? |
| |
| 16) | What assumptions were made in determining the age of the earth based on salt concentration of the oceans? |
| |
| 17) | What pitfalls should you be aware of in using fossil clams to subdivide geologic time? |
| |
