Geologic Time
I. The Age of the Earth
II. The Age of Life
III. Dating of rocks and fossils
    A. Radiometric dating
        1. Carbon Dating
        2. Uranium Dating
        3. Potassium-Argon Dating
    B. Relative Fossil Record
    C. Dendrochronology
    D. Lichenometry
    E. Chemical Methods
    F. Paleomagnetism
IV. Geologic Time Scale
V. Relation to the Biologic Record