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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Asia
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Far East
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Japan
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Honshu
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Chiba Peninsula (1)
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Kyushu
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Kagoshima Japan
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Sakura-jima (1)
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Ryukyu Islands (1)
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Pacific Ocean
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North Pacific
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Northwest Pacific
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East China Sea (1)
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Japan Trench (1)
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West Pacific
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Northwest Pacific
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East China Sea (1)
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Japan Trench (1)
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West Pacific Ocean Islands
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Bonin Islands (1)
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elements, isotopes
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isotope ratios (1)
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isotopes
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stable isotopes
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O-18/O-16 (1)
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metals
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actinides
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uranium (1)
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alkaline earth metals
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calcium
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Sr/Ca (1)
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strontium
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Sr/Ca (1)
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oxygen
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O-18/O-16 (1)
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fossils
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Invertebrata
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Mandibulata
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Cnidaria
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Anthozoa
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Zoantharia
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Scleractinia
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Porites (1)
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Protista
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Foraminifera
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Rotaliina
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Globigerinoides
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Globorotaliidae
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Globorotalia menardii (1)
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Neogloboquadrina
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Neogloboquadrina dutertrei (1)
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Neogloboquadrina pachyderma (1)
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Radiolaria (1)
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microfossils (2)
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palynomorphs
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geologic age
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Cenozoic
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Quaternary
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Holocene
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upper Holocene (2)
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Kazusa Group (1)
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upper Quaternary (1)
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Tertiary
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Neogene
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Pliocene (1)
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Primary terms
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Asia
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Far East
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Japan
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Honshu
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Chiba Peninsula (1)
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Kyushu
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Kagoshima Japan
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Sakura-jima (1)
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Ryukyu Islands (1)
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biogeography (1)
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Cenozoic
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Quaternary
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Holocene
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upper Holocene (2)
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Kazusa Group (1)
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Pleistocene (2)
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upper Quaternary (1)
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Tertiary
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Neogene
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Pliocene (1)
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climate change (2)
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ecology (2)
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geochemistry (1)
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hydrology (1)
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Invertebrata
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Arthropoda
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Mandibulata
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Crustacea
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Ostracoda (1)
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Cnidaria
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Anthozoa
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Zoantharia
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Scleractinia
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Porites (1)
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Protista
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Foraminifera
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Rotaliina
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Globigerinacea
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Globigerinidae
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Globigerina
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Globigerina bulloides (1)
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Globigerinoides
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Globigerinoides ruber (1)
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Globigerinoides sacculifer (1)
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Globorotaliidae
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Globorotalia
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Globorotalia menardii (1)
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Neogloboquadrina
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Neogloboquadrina dutertrei (1)
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Neogloboquadrina pachyderma (1)
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Radiolaria (1)
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isotopes
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stable isotopes
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O-18/O-16 (1)
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-
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maps (1)
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metals
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actinides
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uranium (1)
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alkaline earth metals
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calcium
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Sr/Ca (1)
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strontium
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Sr/Ca (1)
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ocean circulation (4)
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oceanography (1)
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oxygen
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O-18/O-16 (1)
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Pacific Ocean
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North Pacific
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Northwest Pacific
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East China Sea (1)
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Japan Trench (1)
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West Pacific
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Northwest Pacific
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East China Sea (1)
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Japan Trench (1)
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paleoclimatology (2)
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paleoecology (2)
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palynomorphs
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Dinoflagellata (1)
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plate tectonics (1)
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pollution (1)
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sea water (1)
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sedimentary rocks
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clastic rocks (1)
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sedimentation (1)
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sediments
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marine sediments (6)
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stratigraphy (1)
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tectonophysics (1)
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West Pacific Ocean Islands
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Bonin Islands (1)
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sedimentary rocks
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contourite (1)
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sedimentary rocks
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clastic rocks (1)
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sediments
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contourite (1)
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sediments
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marine sediments (6)
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Kuroshio
Abstract We investigated the origin of marine sediments and their transfer by water currents using the spatial distribution patterns of multi-elements in terrestrial and marine areas of Kyushu, western Japan. Quaternary volcanic material covers Cretaceous granitic rock and Jurassic–Paleogene sedimentary rock of an accretionary complex in this region. Cluster analysis based on chemical compositions identified the origin of marine sediments from stream sediments originating from the above lithologies. Pyroclastic-flow deposits associated with caldera formation, particularly that of the Kikai Caldera (7.3 ka), were characterized by low Cr/Ti and La/Yb ratios. In contrast, the La/Yb ratio was very high in sediments derived from granitic rock and sedimentary rock of the accretionary complex. The spatial distributions of low Cr/Ti and La/Yb ratios suggest that marine sediments containing pyroclastic materials, which are found within an 80 km radius of the Kikai Caldera, were distributed on the shelf and transported northeastwards by a branch of the Kuroshio Current. The continuous distribution of the medium Cr/Ti and high La/Yb ratios from the land to the coast, slope and deep basin on the Pacific Ocean side suggests that sediments supplied from the terrestrial area were transferred by gravitational transport from the shelf to the deep basin.