Geologic Time and Dating Rocks Without Isotopes - Biostratigraphy and Lithostratigraphy

This introductory course explains how fossils, lithology, and magnetic signatures are used to date and correlate rocks and construct the geologic timescale. It also demonstrates how stratigraphy reveals sea-level changes in the rock record.

Syllabus

Video Outline
Geologic Timescale Overview
True Scale of Geologic Time
Absolute vs Relative Dating
Relative Dating Principles
Ordering Geologic Events Practice
How The Geologic Time Scale was Made
Extinction Events Define Period Boundaries
Stratigraphy & Correlation
Index Fossils for Biostratigraphy
Index Fossil Examples
Is Biostratigraphy Still Used?
Magnetostratigraphy
Lithostratigraphy
Strat Columns & Cross Sections
Transgressive & Regressive Sequences
Unconformities