When you compare geologic time ( 4.6 billion years ) to the length of a football field , you will find that each yard on the field will equal 46 million years .
Each 10 - yard section will equal 460 million years .
When you compare geologic time ( 4.6 billion years ) to the length of a football field , you will find that each yard on the field will equal 46 million years , and each 10 - yard section will equal 460 million years .