EARTH SCIENCE
Platte Canyon High
School
Bailey, Colorado
GEOLOGIC TIME SCALE
Cambrian
after Harland et al., 1982
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EARTH SCIENCE |
Platte Canyon High
School |
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GEOLOGIC TIME SCALE Cambrian after Harland et al., 1982 |
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| ========================================================= | ||
| Period | Epoch | Age | Ma age | Comments |
| 505 | ||||
| Cambrian | Merioneth | Dolgellian | ||
| Maentwrogian | 523 | |||
| St. David's | Menevian | |||
| Solvan | 540 | |||
| Caerfai | Lenian | |||
| Atdabanian | ||||
| Tommotian | 590 |