dating of rocks fossils and geologic events
February 29, 2008 by admin
Filed under Dating Stories
What is the Age in MILLION of years?
Isochron SlopeGeologic Event
0.002 1. Dinosaurs roamed the earth
0.0077 2. First evidence of abundant fossils
0.0362 3. Proterozoic Era begins
0.0582 4. Oldest radiometrically dated Earth rock
0.06685. Earth’s age, inferred from meteorites
The website below might help you understand the isochorn dating method.
HINT…the age is related to the slope.
Grand Canyon - Design in Ecology
