Shared Flashcard Set

Details

Lab Test #3
GEO 1501
8
Geology
Undergraduate 1
04/04/2013
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Geology Flashcards

 

 

Cards

Term
4 Eons
 Definition

Hadean 4.6B-3.8B

 

Archean 3.8B-2.5B

 

Proterozoic 2.5B-542M

 

Phanerozoic 542M-Present
Term
3 Eras
 Definition

Paleozoic 542M-248M

 

Mesozoic 248M-65M

 

Cenozoic 65M-Present
Term
Period
 Definition
Quaternary 1.8M-Present
Term
Epochs
 Definition

Pleistocene 1.8M-.011yrs

 

Holocene .001yrs-Present
Term

We live in what:

Eon

Era

Period

Epoch

 Definition

Eon: Phanerozoic

 

Era: Cenozoic

 

Period: Quaternary

 

Epoch: Holocene
Term
Earth is how old?
 Definition
4.6 B
Term
Unconformity
 Definition
erosional surface
Supporting users have an ad free experience!