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 |