Answered: A B C Ridge axis Transect Line Ridge…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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$C. Plate tectonics: mid-ocean ridges Part 2 On Figure 2, below, there are several transform faults offsetting different ridge axis segments (segments A, B, C). Assume this figure is part of the Mid-Atlantic Ridge. A B C Ridge axis Transect Line Ridge axis Ridge axis T T T 40 30 20 10 0 10 20 30 40 50 60 Distance (km) C1. Label the transform faults and fracture zones. Figure 2 - Ridge axis segments A-C with offsetting transform faults along the Mid-Atlantic Ridge. C2. State what the effects of the transform faults are on the distribution of ages along the line labeled "Transect Line" in this diagram. C3. Draw or plot a diagram showing the water depths along the "Transect Line” to demonstrate the effects of the transform faults on bathymetry as a consequence of its effect on age patterns. Your plot should include a depth scale with accurate depths for your profile, and with the depths increase downard on your graph. C4. Cross-sections of oceanic crust could be exposed at transform faults where one piece of crust is older (deeper) than an adjacent piece of shallower (younger) crust. If you were in a submersible, where would you go on Figure 2 to sample the crust as deep as possible below its upper surface? How deep (in meters below the surface of the crust) would that sample be? Please explain why you chose the point you did and show any calculations.$

Transcribed Image Text:C. Plate tectonics: mid-ocean ridges Part 2 On Figure 2, below, there are several transform faults offsetting different ridge axis segments (segments A, B, C). Assume this figure is part of the Mid-Atlantic Ridge. A B C Ridge axis Transect Line Ridge axis Ridge axis T T T 40 30 20 10 0 10 20 30 40 50 60 Distance (km) C1. Label the transform faults and fracture zones. Figure 2 - Ridge axis segments A-C with offsetting transform faults along the Mid-Atlantic Ridge. C2. State what the effects of the transform faults are on the distribution of ages along the line labeled "Transect Line" in this diagram. C3. Draw or plot a diagram showing the water depths along the "Transect Line” to demonstrate the effects of the transform faults on bathymetry as a consequence of its effect on age patterns. Your plot should include a depth scale with accurate depths for your profile, and with the depths increase downard on your graph. C4. Cross-sections of oceanic crust could be exposed at transform faults where one piece of crust is older (deeper) than an adjacent piece of shallower (younger) crust. If you were in a submersible, where would you go on Figure 2 to sample the crust as deep as possible below its upper surface? How deep (in meters below the surface of the crust) would that sample be? Please explain why you chose the point you did and show any calculations.

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