Earth.Parts #18 - Absolute radiometric age dating of rocks and geologic materials
15:56
U-Pb Zircon Geochronology - for determining the age of a rock
11:52
Earth.Parts #19 - Origins of the continents and continental crust
9:39
Methods of Dating the Earth Part 2: Absolute Dating (Radiometric Dating)
12:10
How Do We Know How Old Things Like Dinosaur Bones Are?
26:38
Relative Dating of Rock Layers
19:41
Professor Eric Laithwaite: Motors Big and Small - 1971
27:36
The Key to Geologic Dating- How Do We Know The Rock's Initial Isotope Composition? GEO GIRL
20:05