EARTH SCIENCE
Platte Canyon High
School
Bailey, Colorado
GEOLOGIC TIME SCALE
Silurian
after Harland et al., 1982
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EARTH SCIENCE |
Platte Canyon High
School |
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GEOLOGIC TIME SCALE Silurian after Harland et al., 1982 |
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| ========================================================= | ||
| Period | Epoch | Age | Ma age | Comments |
| 408 | ||||
| Silurian | Pridoli | 414 | ||
| Ludlow | Ludfordian | |||
| Gorstian | 421 | |||
| Wenlock | Gleedon | |||
| Whitwell | ||||
| Sheinwoodian | 428 | |||
| Llandovery | Telychian | |||
| Fronian | ||||
| Idwian | ||||
| Rhuddanian | 438 |