Deep-tow magnetic survey of Fonualei Rift and Spreading Center(FRSC) at 16〫 35
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Title
- Deep-tow magnetic survey of Fonualei Rift and Spreading Center(FRSC) at 16〫 35
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Author(s)
- 김창환; 이명훈; 박찬홍; 박현영
- KIOST Author(s)
- Kim, Chang Hwan(김창환); Lee, Myoung Hoon(이명훈); Park, Chan Hong(박찬홍)
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Alternative Author(s)
- 김창환; 이명훈; 박찬홍; 박현영
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Publication Year
- 2015-08-07
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Abstract
- Fonualei Rift and Spreading Center(FRSC) are located in northeastern part of Lau basin which is the active back-arc basin. Deep-tow magnetic surveys are carried out in FRSC. In deep-tow magnetic survey, to compensate for influence of uneven distance between bathymetry and sensor height, magnetic anomaly is continued upward to a level plane. We calculate crustal magnetization by using inversion method, and try to find the hydrothermal vent and understand the structure of ocean floor crust. The result of deep-tow magnetic survey at FRSC showed that Central Anomaly magnetization High(CAMH) recorded the max value of 4.5 A/m which is associated with active ridge. The direction of SSW-NNE of CAMH corresponds with the direction of the principal spreading ridge in Lau basin. The low crustal magnetization of about 0 A/m is supposed to correlate with submarine hydrothermal vent. distance between bathymetry and sensor height, magnetic anomaly is continued upward to a level plane. We calculate crustal magnetization by using inversion method, and try to find the hydrothermal vent and understand the structure of ocean floor crust. The result of deep-tow magnetic survey at FRSC showed that Central Anomaly magnetization High(CAMH) recorded the max value of 4.5 A/m which is associated with active ridge. The direction of SSW-NNE of CAMH corresponds with the direction of the principal spreading ridge in Lau basin. The low crustal magnetization of about 0 A/m is supposed to correlate with submarine hydrothermal vent.
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/25347
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Bibliographic Citation
- Annual Meeting of Asia Oceania Geosciences Society 2015, pp.4, 2015
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Publisher
- Annual Meeting of Asia Oceania Geosciences Society 2015
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Type
- Conference
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Language
- English
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