Hadean Eon (Group 2) Flashcards
1
Q
It is the largest interval of geologic time with a duration of hundreds of millions of years.
A
Eons
2
Q
The geologic time scale is divided into four eons, recite them.
A
Hadean eon
Archeozoic eon
Proterozoic eon
Phanerozoic eon
3
Q
Eons are divided into smaller time intervals known as _____.
A
Eras
4
Q
Eras are subdivided into _____.
A
Periods
5
Q
Hadean Eon, named after the Greek god and ruler of the underworld, _______.
A
Hades
6
Q
This planet/star is thought to have formed during the Hadean Eon.
A
Moon
7
Q
It is the eon of history between the formation of the solar system and the formation of the first rocks on the earth.
A
Hadean Eon
8
Q
The Hadean Eon is also known as, ________ 4 to 4.5 billion years ago.
A
The ‘rock-less’ eon
