Stratigraphy | Type | Depth (m) | Reference | Remarks | ||
---|---|---|---|---|---|---|
From | To | |||||
Ordovician | boundary stratotype | 101.80 | Cooper et al., 2001 | GSSP for the Tremadocian Stage | ||
Tremadocian | boundary stratotype | 101.80 | Cooper et al., 2001 | |||
Lower Ordovician | boundary stratotype | 101.80 | Cooper et al., 2001 | GSSP for the Tremadocian Stage |
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