NPS picture by M. Reed.
Geologists begin counting вЂњgeologic timeвЂќ from EarthвЂ™s area downward; that is, you start with younger deposits that are surficial descending into older stones and much deeper time. Geologists count straight back significantly more than 4 billion years towards the earliest Earth materials. Continue reading “Geologic Time. Age of world as a collection of Quarters”