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Papayo Vulkanlava dome 3600+ m / 11,811 ft
Central Mexico, 19.31°N / -98.7°W Aktueller Status: nicht aktiv (1 von 5)
Typische Aktivität: effusiv
Ausbrüche des Papayo: unknown, less than 10,000 years ago Letzte Erdbeben in der Nähe:
Beschreibung:The 3600-m-high postglacial Papayo lava dome, constructed along the crest of the Sierra Nevada range, is dwarfed by its massive neighbor Iztaccíhuatl volcano, 15 km to the SW. Papayo has been the source of voluminous dacitic lava flows that have traveled about 10 km from the vent both to the WSW and ENE. The steep-sided Cerro Papayo dacitic lava dome, rising 230 m above the surrounding lava flows, marks the vent. The 84 sq km compound lava field has a volume of about 21 cu km and includes flows that traveled long distances in opposite directions into the Valley of Mexico and toward the Puebla basin. Papayo lavas overlie glacial moraines about 12,000 years old (Nixon, 1989). On the western side the flows surround the glaciated late-Pleistocene lava and pyroclastic cone of Iztaltetlac.--- Sources: - Smithsonian / GVP volcano information - Nixon G T (1989) "The geology of Iztaccihuatl volcano and adjacent areas of the Sierra Nevada and Valley of Mexico", Geol Soc Amer Spec Pap, 219: 1-58 |
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