| 21. | Eight scoria cones form the volcanic field, but there may be more.
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| 22. | A more modern name for cinder is scoria.
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| 23. | It contains 150 scoria cones and two maars.
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| 24. | Small lava flows from some vents beneath the scoria are the last eruptive activity.
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| 25. | The island is a double caldera with a scoria hill rising in the middle.
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| 26. | "Above the scoria is a layer of orange ash roughly 3 cm thick.
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| 27. | The scoria cone crater was reshaped into an oval sports field with terraced seating.
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| 28. | The volcano has scoria cones suggesting Strombolian eruptions.
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| 29. | We have ample drainage channels ( scoria ).
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| 30. | However, the large scoria deposits in the surrounding area are still being quarried.
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