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Preface: Front edge of submarine mineral resources research in Japan (Part 2)
Japan ubmarine mineral resources
2017/4/10
As we mentioned in the preface of the last special issue
(Suzuki et al., 2015), greater interests in submarine resources
have been generated recently because many people
have realized their high po...
The Clay Science Society of Japan is an academic organization established for basic and applied research on clay and clay-based materials, dissemination of the research results, and promotion of commu...
Diagenesis of Dioctahedral and Trioctahedral Smectites from Alternating Beds in Miocene to Pleistocene Rocks of the Niigata Basin, Japan
Chlorite-Smectite Clay Mineral Diagenesis C-S Geothermometer Illite-Smectite I-S Niigata Basin Saponite
2011/12/5
Abstract: Clay mineral diagenesis in the Niigata basin is documented by mineralogical and chemical analysis of clay minerals from cuttings from the Shinkumoide SK-1D (SSK-1D) well which is characteriz...
Atomic Force Microscopy Study of Hydrothermal Illite in Izumiyama Pottery Stone from Arita, Saga Prefecture, Japan
Atomic Force Microscopy (AFM) Hydrothermal Illite Microtopography Morphology Polytype Spiral Growth 2O Polytype
2011/12/5
Abstract: The surface microtopographic observations and analyses of Izumiyama hydrothermal illite particles were made by utilizing tapping-mode atomic force microscopy (TMAFM). The Izumiyama illite pa...
Smectite Diagenesis in Neogene Marine Sandstone and Mudstone of the Niigata Basin, Japan
Authigenic Chlorite Diagenesis Illitization Mixed-Layer Illite-Smectite Pore Fluid Smectite Smectite-Illite Transformation
2011/12/2
Abstract: Illitization of smectite during progressive burial diagenesis occurs differently in sandstone and mudstone, which are interbedded in the sedimentary sequence of the Niigata basin. Reaction p...
ThemineralogyofsedimentaryironoresfromtheGunmaironminearedescribedto
evaluatetheroleofmicroorganismsandplantsinoreformation.Theironoreiscomposed
ofnanocrystallinegoethite,well-crystallizedjarositean...
Ca-Rectorite from Sano Mine, Nagano Prefecture, Japan
2:1 Layer Silicate Margarite Rectorite Regular Interstratification Smectite/Brittle Mica
2011/12/22
Abstract: Rectorites containing various amounts of Ca were found at the Sano Mine, Nagano Prefecture, Japan. The Ca content in nonexchangeable form varied from 1.0 to 3.9% CaO. With more than 3.4%, th...
Clay-Mineral Provenance, Sediment Dispersal Patterns, and Mudrock Diagenesis in the Nankai Accretionary Prism, Southwest Japan
Clay mineralogy Diagenesis Mixed-layer illite/smectite Mudrock geochemistry Nankai Trough Shikoku Basin
2011/12/23
Abstract: Offscraped strata within the toe of Nankai accretionary prism display an overall facies pattern of thickening and coarsening upward. Detrital clay minerals within the Quaternary trench-wedge...
Origin of Cretaceous and Oligocene Kaolinites from the Iwaizumi Clay Deposit, Iwate, Northeastern Japan
Climate Cretaceous Hydrogen-isotopes Iwate Japan Kaolinite Oligocene Oxygen-isotopes
2011/12/27
Abstract: Hydrogen- (δD = −106 to −97‰) and oxygen-(δ18O = +14.0 to +16.6‰) isotope compositions of kaolinite from late Cretaceous and Oligocene deposits at Iwaizumi, northeastern Japan, i...
Geochemistry and Mineralogy of a Modern Buserite Deposit from a Hot Spring in Hokkaido, Japan
Buserite DTA Hot spring Ion-exchange equilibrium Manganese deposit Phyllomanganate REE SEM Todorokite Volcano XRD Yuno-Taki Falls
2011/12/1
Abstract: The hot spring water discharging from a flank of an active volcano is precipitating unique monomineralic manganese deposits over volcanic terrain. The major and trace element chemistry, XRD ...
Mineralogy and Genesis of Clays in Postmagmatic Alteration Zones, Makurazaki Volcanic Area, Kagoshima Prefecture, Japan
Makurazaki volcanic area Alteration aureoles Mode of occurrence Mineralogical properties Sudoite Tosudite Rectorite
2012/1/4
Two distinct zonal sequences of clay minerals (H- and L-type) were found around silicified rocks in the Makurazaki volcanic area, Kagoshima Prefecture, Japan. The clay mineral sequences from the inner...
Chemiographic Analysis of Trioctahedral Smectite-to-Chlorite Conversion Series from the Ohyu Caldera, Japan
Chlorite/smectite mixed layer Corrensite Ohyu caldera Smectite-to-chlorite conversion
2012/1/4
The chemical compositions of chlorite-smectite mixed-layered minerals (C/S) from the Ohyu caldera (Inoue, 1985) are analyzed using M+-4Si-3R2+ diagrams. The assumed original saponite has the following...
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...