Figure 4. Dip-azimuth corresponding to Figure 2. The color represents the azimuth, which refers to the down-dip direction and is therefore perpendicular to geologic strike. Blue is north, green is east, yellow is south, and red is west. The shading of the color represents the dip, with more shading signifying steeper dips. Dip-azimuth presents the same information as shaded relief, but is less intuitive.