Geologic time. time is critical for geologic processes Rockies and Alps are ~3000 m tall Atlantic Ocean is ~5000 km across for comparison: fingernail.
How do we know what happened first?. James Hutton (1726-1797) Father of Modern Geology native of Edinburgh, Scotland educated as a medical doctor in Leiden.
Slide 1 History of Current Life on Earth Theories and Ideas on What Has Happened Since Life Began.
The Age of the Earth Prior to the 19th century, accepted age of Earth based on religious beliefs –~6,000 years for Western culture (Biblical) –Old beyond.
The Age of the Earth
Geologic Time. time is critical for geologic processes Rockies and Alps are ~3000 m tall Atlantic Ocean is ~5000 km across for comparison: fingernail.
