Some Indicated Earth Ages
5,000,000
Maximum
life of meteor showers
45,000,000
Influx of
magnesium to the ocean via rivers
9,000
Influx of
nickel to the ocean via rivers
200,000
Accumulation
of dust on the moon
Very small
Influx of
meteoritic dust from space
5,000
Formation
of river deltas
4,000
Decay of
C14 in pre-Cambrian wood
4,500
Human
population growth rates
5,000
Origin of
human civilizations
5,000
Growth of
oldest living part of biosphere
10,000
Influx of
radiocarbon to earth system
10,000
Decay of
earth’s magnetic field
Age
(Years)
Process