Magmatic–hydrothermal system of Aso Volcano, Japan, inferred from electrical resistivity structures
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DOI[10.1186/s40623-020-01180-8]to the data of the same series
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- Material Type
- 記事
- Title
- Author/Editor
- Nobuo MatsushimaMitsuru UtsugiShinichi Takakura
- Publication, Distribution, etc.
- Publication Date
- 2020-05-07
- Publication Date (W3CDTF)
- 2020-05-07
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 72(57)
- Volume
- 72(57)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-020-01180-8
- Persistent ID (NDL)
- info:ndljp/pid/11520511
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2020-08-03T12:00:21+09:00
- Date Captured (W3CDTF)
- 2020-08-03
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11467692
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- We investigated the magmatic–hydrothermal system of Aso Volcano, Japan, using broadband magnetotelluric (MT) data. To establish the nature of the shallow crust, a previous resistivity model based on data from 100 measurement sites in and around Aso volcano was revised using data from 9 additional sites near Naka-dake crater, which is located in the central part of the volcano. The components of MT impedance and the tipper vector were used to obtain the resistivity structure by three-dimensional inversion. The resistivity structure shows a subvertical low-resistivity (< 1 Ωm) column-shaped body beneath Naka-dake crater that extends from − 600 m to 10 km below sea level (BSL) and dips steeply to the north-northeast. The position of the upper part of the column is displaced eastward compared with the previous model and does not overlap the position of the presumed magma reservoir inferred previously from seismic and geodetic observations underneath the western side of Naka-dake crater at a depth of 5 km. We interpret this low-resistivity column to be a magmatic–hydrothermal system composed of brine and magma that were transported to Naka-dake crater from the main deep-seated magma reservoir. A horizontal low-resistivity (< 10 Ωm) layer occurs beneath post-caldera cones at the depths of 0–2 km BSL, and this layer extends laterally from the upper part of the low-resistivity column. We interpret this low-resistivity layer as representing a shallow hydrothermal system that has developed around the central column-shaped magmatic–hydrothermal system.
- DOI
- 10.1186/s40623-020-01180-8
- Access Restrictions
- インターネット公開
- Rights (production)
- Creative Commons Attribution 4.0 International
- Related Material (URI)
- Is Referenced By
- Magmatic fluid pathways in the upper crust: insights from dense magnetotelluric observations around the Kuju Volcanoes, JapanHigh-resolution image on terminus of fault rupture: relationship with volcanic hydrothermal structureSimple Graphical Pre- and Post-Processor for 3-D Magnetotelluric InversionCharacteristics of secondary-ruptured faults in the Aso Caldera triggered by the 2016 Mw 7.0 Kumamoto earthquakeElectrical conductive fluid-rich zones and their influence on the earthquake initiation, growth, and arrest processes : observations from the 2016 Kumamoto earthquake sequence, Kyushu Island, Japan
- References
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- References (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCiNii Articles科学研究費助成事業データベース科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossrefCrossref
- NAID
- 120006847799