| 11. | It is believed that Pompeii was destroyed by a pyroclastic flow.
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| 12. | Pyroclastic flows are also common features of this type of eruption.
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| 13. | Mount Shasta can release volcanic ash, pyroclastic flows or dacite and andesite lava.
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| 14. | On 25 June 1997, a pyroclastic flow travelled down Mosquito Ghaut.
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| 15. | This consists of up to of ignimbrite, representing another series of pyroclastic flows.
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| 16. | The pyroclastic flow deposits contain lithics from several sources and pumice.
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| 17. | Pyroclastic flows poured from the summit, reaching as far as away from it.
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| 18. | Ignimbrites and pyroclastic flows are also present, including breccias, nuee ardentes and tuffs.
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| 19. | The pyroclastic flow rapidly incorporated and melted snow in its path.
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| 20. | One woman, a housemaid, also survived the pyroclastic flow but perished soon after.
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