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This introductory lecture explains how geologists determine the relative and numerical ages of rocks and reconstruct Earth’s history. It covers stratigraphic principles, fossils and fossil correlation, radioactivity, and radiometric dating methods.
Syllabus
Geologic Time
Numerical Dates
Principle of Superposition
Principal Original Horizontality
Principal Lateral Continuity
Principal Crosscutting
Principal Occlusions
Conformity
Disconformity
Fossils
Fossil Record
Correlation
Fossil assemblages
Isotope
Radioactivity
Time Scale
Taught by
Sven Holbik