8 Examine the events and the geologic principles in this figure. Take note of th
ID: 117042 • Letter: 8
Question
8 Examine the events and the geologic principles in this figure. Take note of the folding and/or erosion events. Match the answers to the correct questions. the oldest and work upwards towards the youngest events. Also, in this part, look at the example from figure 7 in the lab manual. What event is the oldest? 2. Intrusion of A 3. Folding and/or tilting 4. B 5. Erosion If there is an angular unconformity, then what is the event that must have What event(e) took place between deposition of D and displacement along fauit X? Both the principle of cross-cutting relations and the principle of baked contacts indicates that this occurred after deposition of E,FG What event(s) took place between emplacement of dike A and deposition of unit C? 6. Original horizontality. What is the last rock unit to be deposited or emplaced? How do you know the order of deposition of B, C, and E? . Erosion 8. deposition of H 9. Folding of D,E,FG,H a What is the last event to occur? Which unit violates the principle of lateral continuity and therefore requires that 10. Deposition of G. erosion must have occurred. 11.D Which event occurred before deposition of F?Explanation / Answer
Q. What event is oldest? 8. Deposition of H
Q. If there is an angular unconformity, then what is the event that must have occurred? 3. Folding and/or tilting
Q. What event(s) took place between deposition of D and displacement along fault X? 9. Folding of DEFGH
Q. Both the principle of cross-cutting relations and the principle of baked contacts
indicates that this occurred after deposition of EFG? 2. Intrusion of A
Q. What event(s) took place between emplacement of dike A and deposition of unit C? 5. Erosion
Q. What is the last rock unit to be deposited or emplaced? 4. B
Q. How do you know the order of deposition of B,C and E? 1. Principle of Superposition
Q. What is the last event to occur? 7. Erosion
Q. Which unit violates the peinciple of lateral continuity and therefore requires that
erosion must have occurred? 11. D
Q. Which event occurred before deposition of F? 10. Deposition of G.
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