Geological Time. By: Breann Diehl. How do geologists deal with time?. Relative age - geologists can tell if something is younger or older than something else Absolute age – geologists can assign a number to the amount of time that has passed. Stratigraphy.
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By: Breann Diehl
Meteorites: Ages of most primitive meteorites are around 4.6 billion years
Moon Rocks: Ages of the moon rocks are all within a range between 4.0-4.6 billion years
Conclusion: The solar system and Earth must be at least 4.6 billion years old
There are two main division of geological time: Precambrian and Phanerozoic
These are the two eons.