Holocene eruptions of Mt. Popa, Myanmar: Volcanological evidence of the ongoing subduction of Indian Plate along Arakan Trench., 360: 126-138

Авторы: Belousov A., Belousova M., Zaw K., Streck M.J., Bindeman I., Meffre S., Vasconcelos P.
Журнал: Journal of Volcanology and Geothermal Research
Номер: 360
Год издания: 2018
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 126
Последняя страница: 138
DOI: 10.1016/j.jvolgeores.2018.06.010
Аннотация: In the western part of Myanmar the geodetic and seismic data indicate the ongoing highly oblique subduction of Indian Plate under Eurasian Plate. Volcanoes of Burma arc, however, did not produce eruptions in the recorded history and are considered extinct. We have investigated the youngestlava flows and pyroclasts of Mt. Popa, which is the best-preserved polygenetic volcanic edifice in Myanmar.The Ar/Ar dating of the youngest products of the volcano provided very young radiometric ages. The radiocarbon dating of paleosols intercalated with the most recent ash layers of the volcano has shown that Mt. Popa produced several eruptions in the beginning of Holocene. The youngest eruption occurred ~8000 BP and included the 1.3 km3 gravitational collapse of the volcanic cone with deposition of the 11-km-long debris avalanche, immediately followed by emplacement of 0.1 km3 of pyroclastic flow.
Добавил в систему: Белоусов Александр Борисович

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