| 21. | The Cerro Escorial ignimbrite may be of crustal origin and is dacitic.
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| 22. | The latter is of fluvial origin and also contains an ignimbrite layer.
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| 23. | This ignimbrite is rhyodacitic in composition and contains abundant crystals.
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| 24. | The ignimbrite is somewhat cropping out around the Laguna Amarga.
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| 25. | Some post-eruption alteration of the ignimbrite deposits also took place.
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| 26. | In the lake itself, the ignimbrite is about thick.
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| 27. | The ignimbrites outside of the caldera formed the Pucarilla ignimbrite.
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| 28. | Seldom can gneiss, granite and ignimbrite have found so enthusiastic an expositor.
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| 29. | Additional eruptions of ignimbrite continued in Nevada until roughly 14 million years ago.
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| 30. | A Plinian eruption on Escorial was the source of the dacitic Escorial ignimbrite.
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