| 21. | The upper white unit is a thick pyroclastic flow from Archibarca.
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| 22. | It is constructed by dacite and surrounded by pyroclastic flow deposits.
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| 23. | Pyroclastic flows and mudflows were deposited on the lower slopes of the cone simultaneously.
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| 24. | It is a pyroclastic flow that extended westward and contained breccia and various magmas.
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| 25. | During the Holocene, Yucamane has shown signs of Plinian eruptions which produced pyroclastic flows.
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| 26. | This eruption formed many pyroclastic flows and produced a dome which filled the caldera.
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| 27. | The old airport and the capital, Plymouth, were destroyed in pyroclastic flows in 1997.
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| 28. | The deposits of pumice-rich pyroclastic flows can be called ignimbrites.
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| 29. | Nineteen people were killed when pyroclastic flows cascaded down from the volcano in 1997.
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| 30. | An older unit is formed by ignimbrites and pyroclastic flows.
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