Protractor modified from: By Autiwa – Own work, CC BY-SA 3.\): Types of stress. Chapter 12 “Crustal Deformation” by Randa Harris and Bradley Deline, CC BY-SA 4.0. (2015) “Laboratory Manual for Introductory Geology”. Lacey (2018) University of Saskatchewan from Deline B, Harris R & Tefend K. Question 6: Which strike and dip symbol is correct in Figure 12? Block diagram and map view for Question 6. Question 5: Which strike and dip symbol is correct in Figure 11?įigure 12. Some questions, like Questions 5-6, are intentionally left as non-interactive. Block diagram and map view for Question 5. Block diagram and map view for Question 2.įigure 11. Tilted beds – vertical (90 degrees).ģD interactive model of Figure 8: Questions Figure 9. Tilted beds – 60 degrees.ģD interactive model of Figure 7: Figure 8. Tilted beds- 15 degrees.ģD interactive model of Figure 6: Figure 7. Here are some examples of tilted beds: Figure 6. A 3D virtual outcrop of tilted beds (click on link): Examples This results in a tilting or incline of the original horizontal beds.įigure 5. Tilted beds or layers occur when plate tectonic forces cause horizontal layers to be pushed up or dropped down unevenly. Symbols for horizontal and vertical beds. A horizontal rock bed has a dip of 0° and a vertical rock bed has a dip of 90°.įigure 4.
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