Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Complete the
paragraph by using the drop-down menus.
In this lab, you determined the relative ages of rock layers using the principles of relative dating. The
* says that a rock layer found closer to Earth's surface is
a rock layer that is deeper in Earth's surface. The
• states that intrusions are
the rock layer they cut across. You also determined the absolute ages of rock layers using a
•. The data you gathered helped you identify an unknown fossil.