| 21. | There are thick series of pyroclastic and epiclastic rocks at the caldera.
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| 22. | The land is punctuated by pyroclastic cones of Holocene age.
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| 23. | It geological formation are volcanic and pyroclastic origin and is very old.
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| 24. | Pyroclastic flows from an eruption would destroy much wildlife about the volcano.
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| 25. | The existence of small pyroclastic cones has also been reported.
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| 26. | Both these emission centre were responsible for pyroclastic and submarine lava flows.
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| 27. | Flank eruptions, lahars and pyroclastic flows are hazards associated with Guallatiri.
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| 28. | An older unit is formed by ignimbrites and pyroclastic flows.
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| 29. | The Pucarilla-Cerro Tipillas volcanic complex is formed by pyroclastic flows.
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| 30. | The field contains lava domes and pyroclastic cones, reaching heights of.
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