EARTH SCIENCE |
Platte Canyon High
School |
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GEOLOGIC TIME SCALE Jurassic after Harland et al., 1982 |
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Period | Epoch | Age | Ma age | Comments |
144 | ||||
Jurassic | Malm J3 |
Tithonian | 150 | |
Kimmeridgian | 156 | |||
Oxfordian | 163 | |||
Dogger J2 |
Callovian | 169 | ||
Bathonian | 175 | |||
Bajocian | 181 | |||
Aalenian | 188 | |||
Lias J1 |
Toarcian | 194 | ||
Pliensbachian | 200 | |||
Sinemurian | 206 | |||
Hettangian | 213 |