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Geology - Geologic Time

Earth and Space Sciences X via YouTube

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This lecture explains how geologists establish Earth’s history using relative dating principles, fossil evidence, rock-layer correlation, and radioactive decay. It introduces the geologic time scale and applies these methods to dating sedimentary strata.

Syllabus

Intro
Creating a Time Scale: Basic Principles
Superposition
Lateral Continuity
Relative Dating Principles: Unconformities
Formation of an Angular Unconformity
Applying Principles
Fossils: Evidence of Past Life
Correlation of Rock Layers
Types of Radioactive Decay
Dating with Radioactivity
The Geologic Time Scale
Dating Sedimentary Strata

Taught by

Earth and Space Sciences X

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