EARTH SCIENCE
Platte Canyon High
School
Bailey, Colorado
GEOLOGIC TIME SCALE
Devonian
after Harland et al., 1982
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EARTH SCIENCE |
Platte Canyon High
School |
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GEOLOGIC TIME SCALE Devonian after Harland et al., 1982 |
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| ========================================================= | ||
| Period | Epoch | Age | Ma age | Comments |
| 360 | ||||
| Devonian | D3 | Famennian | 367 | |
| Frasnian | 374 | |||
| D2 | Givetian | 380 | ||
| Eifelian | 387 | |||
| D1 | Emsian | 394 | ||
| Siegenian | 401 | |||
| Gedinnian | 408 |