How Old is the Earth? 1654: Archbishop James Ussher of Ireland studied the timing of biblical events described in the Old Testament, and concluded that.
Planet earth geologic_time_powerpoint_presentation
2101_Ch1_03
Chapter 21 Fossils & the Rock Records Produced by S. Koziol 11-4-2014.
Life and Extinction on Earth In ~ 1.5 hrs!. Life and Extinction on Earth From: Sepkoski and Raup, 1982; Erwin et al., 1987 Diversity over time: Marine.
Geologic Time
Geologic time
