| 21. | The redeposited cementing material is most commonly calcareous or siliceous.
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| 22. | Canberra Formation, calcareous shale is found in the north.
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| 23. | Silurian Canberra Formation, calcareous Shale is under most of the suburb.
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| 24. | Canberra Formation, calcareous shale found to the east of the ashstone.
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| 25. | Querns of this calcareous sandstone have been found at Viroconium.
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| 26. | It typically grows in calcareous grassland, and reaches tall.
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| 27. | The shell is formed by overlapping plates and has a calcareous basis.
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| 28. | The island is generally calcareous and generally low-lying.
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| 29. | This deeply complex terroir is characterized by brown calcareous soils.
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| 30. | The calcareous soil harbours the rare Rams Head Lady Slipper.
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