| 11. | Quartizite from the Silurian Period can be found in this water gap.
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| 12. | The younger Silurian kills the older one for this act.
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| 13. | Silurian Canberra Formation, calcareous Shale is under most of the suburb.
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| 14. | Land plants began to diversify in the Late Silurian, from around.
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| 15. | East of Church Stretton is Wenlock Edge, a Silurian limestone escarpment.
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| 16. | These rocks are from 414 mya in the Silurian period.
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| 17. | Terebratulids may have evolved from Atrypids during the early or Middle Silurian.
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| 18. | Arthur and Guinevere would leave for Silurian Isca to live in peace.
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| 19. | The Mal�guide thrust sheet contains rocks from Silurian to Oligocene.
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| 20. | At Siccar Point, during the lower Silurian Bothriolepis hicklingi ".
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