For the lower (front) half of Figure 3.10, define two map units. State their characteristics and the

Question:

For the lower (front) half of Figure 3.10, define two map units. State their characteristics and the characteristics of their contact. Draw a contact on the image between the two units (e.g., use tracing or thin paper, or screen capture the image and place in image-handling software and use a pen tool).

Figure 3.10