Relative & Absolute Dating

Geologic Time and Earth History

Two Conceptions of Earth History: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Uniformitarianism ,[object Object],[object Object],[object Object],[object Object],[object Object]

Fossil Ripple Marks, Baraboo Range

Two Kinds of Ages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Superposition: Mindoro Cut, Wisconsin

Fossils Remains of Ancient Plants And Animals, Evidence of Life

Commonly Preserved: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Rarely Preserved ,[object Object],[object Object],[object Object],[object Object],[object Object]

Types of Fossils ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Where Fossils Occur ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fossil Tree in Lava Flow, Hawaii

Some Geologic Rates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Some Geologic Rates ,[object Object],[object Object],[object Object],[object Object]

The Fundamental Rule of Absolute Ages The Earth is older than everything on or in it -Except its atoms -All ages are minimum ages

[object Object],[object Object]

[object Object],[object Object],[object Object]

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