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Clay-Organic Complexes as a Cementing Agent in the Arahama Sand Dune, Japan
Cementing agent Clay-organic complex Gel Sand dune Scanning auger multiprobe analysis Transmission electron microscopy X-ray photoelectron spectroscopy
2012/1/5
Cementing materials in the Arahama sand dune, Japan, were studied mineralogicaUy and biogeochemically to gain a better understanding of the cause of hardening. The cementing material is a clay- organi...
Further Investigations of a Conversion Series of Dioctahedral Mica/Smectites in the Shinzan Hydrothermal Alteration Area, Northeast Japan
Burial diagenesis Interstratification K-fixation Mica Rectorite • Smectite
2012/2/7
A complete conversion series for mica/smectites was found in a hydrothermal alteration envelope around Kuroko-type ore deposits at the Shinzan area, Akita Prefecture, Northeast Japan. The minerals are...
Clayey sediments of marine origin having sensitivities (ratio of undisturbed to remolded shear strength) as high as 1000 at a reduced salt concentration are found around Ariake Bay, Kyushu, Japan. The...
Berthierine and Chamosite in Coal Measures of Japan
Berthierine Chamosite Coal Genesis Iron Siderite
2012/2/7
Berthierine (formerly chamosite) occurs as concretions, lenses, and bands in carbonaceous, kaolinitic shale of freshwater coal-swamp deposits in Paleogene and Upper Triassic coal measures of Japan. Te...
Scan Electron Micrographs of Kaolins Collected from Diverse Environments of Origin—V. Kaolins Collected in Australia and Japan on Field Trips of the Sixth and Seventh Clay Conferences
Scan Electron Micrographs Kaolins Diverse Environments Seventh Clay Conferences
2012/2/13
Scan electron micrographs are shown of the textures of flint clays, tonsteins, kaolin associated with combustion-metamorphism, sedimentary kaolin, and dickite from the Sydney Basin of Australia. The t...
Tosudite from the Hokuno Mine, Hokuno, Gifu Prefecture, Japan
Tosudite Hokuno Mine pottery stone
2012/2/13
Tosudite was found in the Hokuno pottery stone mine, Gifu Prefecture, Japan. The pottery stone ore body, altered from the Cretaceous rhyolitic rock, is composed of tosudite, interstratified illite-mon...
A Hydromuscovite from the Shakanai Mine, Akita Prefecture, Japan
Hydromuscovite the Shakanai Mine association gypsum anhydrite
2012/2/20
A hydromuscovite in association with gypsum and anhydrite was collected from the Shakanai mine, Akita Prefecture, Japan. Chemical composition: SiO2 47·14%; TiO2 0·34%; Al2O3 37·09%; Fe2O3 0·49%; MgO 0...