Scale

Geographic Time Scale

Eras

Periods

Epochs

M.Y.A

  Events

Cenozoic 

Quaternary

Holocene

0.01

  Human civilization began

新生代

第四纪

Pleistocene

1.8

  Ice age,Home sapiens evolved,mammoth roamed freely

Tertiary

Pliocene

5

Anthropoid appeared,North America joined with South America

第三纪

Miocene

24

Grassland evolved,ungulate dominated,moutain chains formed

Oligocene

34

Carnivores and mammals evolved,Antarctic icecap formed

Eocene

55

Oldest large mammals appeared,our planet became drier

Paleocene

65

A lot of modern mammal families came into existence,forest covered the earth

Mesozoic

Cretaceous

Late K2

99

Mammal and birds diversified,dinosaurs and pterosaurs became extinct

中生代

白垩纪

Early K1

144

Jurassic

Late

159

Dinosaur ages, flowering plants and birds evolved,giant marine reptiles prospered

Middle

180

Early

206

Earliest dinosaur,pterosaur,crocodilians appeared,conifer and cycad flourished

About Ling

Open Smile
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1 Response to Scale

  1. says:

             我从小就喜欢关于地质年代的信息与资料,曾经梦想成为一名考古学家;尤其是看过了《夺宝奇兵–耶稣的圣杯》之后,这种想法就越发强烈;但是事实上有很多梦想也只是梦想而已,真正能够实现的不多,所以要好好把握住现在,珍惜眼前的一切,为了自己比较贴切的梦想而不懈奋斗……

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