What is the Principle of Original Horizontality?
Law of original horizontality
Relative-Age Dating
Laws of Relative Rock Dating
Methods of Dating the Earth Part 1: Relative Dating
Principles of Geology (The Sandwich Analogy) Episode 2: Original Horizontality
Law of Superposition
Laws of Stratigraphy
Principles of Stratigraphy, superposition, original horizontality, lateral continuity. Geology.
Geology's Laws of Stratigraphy in 99 Seconds
Original Horizontality and Superposition (sed strat)
What is the Principle of Lateral Continuity?
Steno's Laws
Examples of Stratigraphy
Relative Age Dating Techniques
Physical Geology: Geologic Time, Cross cutting
Principles of Stratigraphy
Principle of original horizontality | Wikipedia audio article
Relative Age Dating Cross Section A