Fossils and Dating Flashcards
Relative Dating v Absolute Dating
-Relative doesn’t offer specific dates
-Absolute provides specific dates & time ranges
Radiocarbon Dating
Method based on radioactive decay of 14c in organic remains
Half-Life
A measure of the rate of decay in radioactive materials
Taphonomy
Processes affecting organisms after death
Types of Absolute Dating
-Radiocarbon Dating (wood/bones)
-Potassium-Argon Dating
-Trapped-Charge Dating
Types of Relative Dating
-Stratigraphic Dating
-Seriation
Stratigraphy
Study of strata, layers of strata in a state/region
Cultural Dating
Analyzes human artifacts based on style, material, and technique
Ancient Climate Reconstruction
Reconstructions of past temp, precipitation,plants, and more
Preservation
What has remained intact after millions of years