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Unformatted text preview: Neogene Paleogene Cenozoic Era Cretaceous a.____________________ Triassic e.________________ Era Permian b.____________________ Mississippian Devonian c.____________________ Ordovician d._____________________ f._________________ Era PRECAMBRIAN 6. Study this sketch and answer the questions. (4 pts) 7. Define the following terms. (5 pts) a. epicenter b. seismic gap c. index fossil d. isotope e. half-life a. Which igneous intrusion (A, B or C) is the YOUNGEST? b. Which sedimentary rock (D, E, F, G or H) is the OLDEST? c. Which sedimentary rock (D, E, F, G or H) is the YOUNGEST? d. What kind of unconformity does unit D make with the rocks below it?...
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This note was uploaded on 03/26/2008 for the course GEOL 100 taught by Professor Janedawson during the Spring '08 term at Iowa State.
- Spring '08