| 21. | It is possible that it was originally deposited as a calcareous oolite and hematite later replaced the calcite.
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| 22. | The "'Northampton Sand Formation "'is a Middle Jurassic geological Inferior Oolite Group.
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| 23. | The Middle White Oolite of the Osmington Oolite more visible to the west has descended to beach level here.
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| 24. | The Middle White Oolite of the Osmington Oolite more visible to the west has descended to beach level here.
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| 25. | Another form taken by calcite is oolitic limestone, which can be recognized by its granular ( oolite ) appearance.
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| 26. | To the north of the oolite is a fine grained limestone, which was deposited in calm, shallow water.
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| 27. | All the passages in Ogof Craig a Ffynnon occur in the Gilwern oolite which is located below the Llanelly Formation.
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| 28. | The Northampton Sand Formation constitutes the lowest part of the Inferior Oolite Series and lies on the upper Lias clay.
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| 29. | It shows rocks lying stratigraphically below the Middle and Upper Inferior Oolite Limestones seen at Dundry Main Road South Quarry.
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| 30. | The library was three stories tall with a two story entrance pavilion constructed of oolite limestone and of floor space.
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