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Article
Open AccessMineralogy and trace element geochemistry of hydrothermal sulfides from the Ari vent field, Central Indian Ridge
The Ari vent field (AVF) is an ultramafic-hosted seafloor massive sulfide (SMS) deposit in the middle part of the Central Indian Ridge. In this paper, we describe the detailed mineralogy and geochemistry of h...
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Article
In-situ trace elements and Fe isotope compositions of magnetite in Gwanin Fe-Ti oxide deposit, South Korea
Magnetite samples from Gwanin Fe-Ti oxide deposit in South Korea were collected to identify the deposit origin and to understand the ore-forming processes. Based on the macro- and micro-scale observation, the ...
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Article
Open AccessTrace-element distribution and ore-forming processes in Au–Ag-rich hydrothermal chimneys and mounds in the TA25 West vent field of the Tonga Arc
We report detailed mineralogy and geochemistry of hydrothermal mounds and chimneys in the TA25 West vent field (TA25 WVF), a newly discovered magmatic–hydrothermal system in the Tonga (Tofua) arc. Chimney samp...
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Article
Open AccessGold and tin mineralisation in the ultramafic-hosted Cheoeum vent field, Central Indian Ridge
The Cheoeum vent field (CVF) is the first example of an inactive ultramafic-hosted seafloor massive sulphide (SMS) deposit identified in the middle part of the Central Indian Ridge. Here, we report on the deta...
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Chapter and Conference Paper
Anomaly Detection for Industrial Control Systems Using Sequence-to-Sequence Neural Networks
This study proposes an anomaly detection method for operational data of industrial control systems (ICSs). Sequence-to-sequence neural networks were applied to train and predict ICS operational data and interp...
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Article
Sinking Particle Flux in the Subtropical Oligotrophic Northwestern Pacific from a Short-term Sediment Trap Experiment
Time-series sediment traps were deployed in the subtropical oligotrophic northwestern Pacific (SONP) at three depths from August to September 2015 to better understand vertical flux of sinking particles. Sinki...
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Article
Open AccessImproved multiplex PCR primers for rapid identification of coagulase-negative staphylococci
Coagulase-negative staphylococci (CNS) are opportunistic pathogens that are currently emerging as causative agents of human disease. Though CNS are widespread in the clinic and food, their precise identificati...
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Article
Structural performance of final lining according to the rock load shape
The purpose of this study is to analyze the structural performance of the lining according to the magnitude as well as shape of rock load. Four cases of rock load shape were applied on the final lining (concre...
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Article
Go anywhere: user-verifiable authentication over distance-free channel for mobile devices
Current mobile technology gives us ubiquitous services with personal mobile devices such as smart phones, tablet PCs, and laptops. With these mobile devices, the human users may wish to exchange sensitive data...
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Article
Relationship between polymetallic nodule genesis and sediment distribution in the KODOS (Korea Deep Ocean Study) Area, Northeastern Pacific
Polymetallic nodule and sediment characteristics were investigated for two blocks (KR2 and KR5) in the Korea Deep Ocean Study (KODOS) area in order to better understand nodule distribution and the potential ef...
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Article
Relationship between mn nodule abundance and other geological factors in the northeastern pacific: Application of gis and probability method
The aims of this study are 1) to construct a database using geostatistics and Geographic Information System (GIS), and 2) to derive the spatial relationships between manganese nodule abundance and other geolog...
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Article
Textural and geochemical characteristics of Fe−Mn crusts from four seamounts near the Marshall Islands, western Pacific
Textural and geochemical properties of ferromanganese crust (Fe−Mn crust) samples from four adjacent seamounts near the Marshall Islands were investigated to delineate the paleoceanographic condition on their ...
