-
Paleocene Epoch
63 mya: End of Deccan Traps volcanic eruptions in India
- Appearance of placental mammals
(marsupials, insectivores, lemuroids, creodonts)
- Flowering plants become widespread.
- 60 mya: Earliest known ungulate (hoofed mammal)
- Formation of the Rocky Mountains
- 55.8 mya: Major global warming episode
North Pole temperature averaged 23°C (73.4°F),
CO2 concentration was 2000 ppm -
Eocene Epoch
(55.8 to 33.9 mya)
- 50 mya: India meets Asia forming the Himalayas
-45 mya: Australia separates from Antarctica
Earth day is 24 hours long.
The Moon is 378,000 km from Earth.[32]
- Modern mammals appear
rhinoceros, camels, early horses appear -
Oligocene Epoch
(33.9 to 23.03 mya)
- Appearance of many grasses
- First elephants with trunks
- 27.8 mya: La Garita, Colorado supervolcanic eruption
