globalchange  > 科学计划与规划
DOI: 10.1002/2016GL071327
论文题名:
Voluminous eruption from a zoned magma body after an increase in supply rate at Axial Seamount
作者: Chadwick W.W.; Jr.; Paduan J.B.; Clague D.A.; Dreyer B.M.; Merle S.G.; Bobbitt A.M.; Caress D.W.; Philip B.T.; Kelley D.S.; Nooner S.L.
刊名: Geophysical Research Letters
ISSN: 0094-8342
EISSN: 1944-8073
出版年: 2016
卷: 43, 期:23
起始页码: 12063
结束页码: 12070
语种: 英语
英文关键词: basaltic caldera ; dike intrusion ; lava emplacement ; mid-ocean ridge ; rift zone ; submarine eruption
Scopus关键词: Hydraulic structures ; Levees ; Structural geology ; Submarines ; Volcanoes ; Basaltic caldera ; Dike intrusion ; Lava emplacement ; Mid-ocean ridges ; Rift zones ; Submarine geology
英文摘要: Axial Seamount is the best monitored submarine volcano in the world, providing an exceptional window into the dynamic interactions between magma storage, transport, and eruption processes in a mid-ocean ridge setting. An eruption in April 2015 produced the largest volume of erupted lava since monitoring and mapping began in the mid-1980s after the shortest repose time, due to a recent increase in magma supply. The higher rate of magma replenishment since 2011 resulted in the eruption of the most mafic lava in the last 500–600 years. Eruptive fissures at the volcano summit produced pyroclastic ash that was deposited over an area of at least 8 km2. A systematic spatial distribution of compositions is consistent with a single dike tapping different parts of a thermally and chemically zoned magma reservoir that can be directly related to previous multichannel seismic-imaging results. ©2016. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85007396127&doi=10.1002%2f2016GL071327&partnerID=40&md5=3333df0dbf144cdb21932a3999381843
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9305
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Oregon State University/CIMRS, Hatfield Marine Science Center, Newport, OR, United States

Recommended Citation:
Chadwick W.W.,Jr.,Paduan J.B.,et al. Voluminous eruption from a zoned magma body after an increase in supply rate at Axial Seamount[J]. Geophysical Research Letters,2016-01-01,43(23).
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