North Park & Its Geology: Stratigraphic Section

North Park Geology: Stratigraphic Column

This is called a stratigraphic column. It portrays what the
sequence of rock layers looks like beneath the surface of
North Park. If you were to drill a well from the highest
point in the area, you would encounter an arrangement of
rock types as shown. The key for rock type symbols is
given on the homepage and in text.