Early post-mortem formation of carbonate concretions around tusk-shells over week-month timescales

Hidekazu Yoshida, Atsushi Ujihara, Masayo Minami, +7

Scientific Reports

Fe-oxide concretions formed by interacting carbonate and acidic waters on Earth and Mars

Hidekazu Yoshida, Hitoshi Hasegawa, Nagayoshi Katsuta, +8

Science Advances

BiogeochemistryChemical EngineeringSpherical FeoEngineeringEnvironmental Geochemistry +13

Generalized conditions of spherical carbonate concretion formation around decaying organic matter in early diagenesis

Hidekazu Yoshida, Koshi Yamamoto, Masayo Minami, +3

Scientific Reports

Advanced Micro-XRF Method to Separate Sedimentary Rhythms and Event Layers in Sediments: Its Application to Lacustrine Sediment from Lake Suigetsu, Japan

Nagayoshi Katsuta, Masao Takano, Shin‐ichi Kawakami, +4

Journal of Paleolimnology

Sedimentary RecordEngineeringSedimentationSediment-water InteractionAdvanced Micro-xrf Method +10

A 27-kyr record of environmental change in central Asia inferred from the sediment record of Lake Hovsgol, northwest Mongolia

Takuma Murakami, Nagayoshi Katsuta, Koshi Yamamoto, +6

Journal of Paleolimnology

Sedimentary RecordEngineeringGeographyLake HovsgolSediment Record +4

Image processing to extract sequential profiles with high spatial resolution from the 2D map of deformed laminated patterns

Nagayoshi Katsuta, Masao Takano, Teruyuki Okaniwa, +1

Computers & Geosciences

Geometric ModelingImage ProcessingImage AnalysisMachine VisionEngineering +13

Biogenically induced bedded chert formation in the alkaline palaeo-lake of the Green River Formation

Ryusei Kuma, Hitoshi Hasegawa, Koshi Yamamoto, +4

Scientific Reports

Major element distribution in Archean banded iron formation (BIF): influence of metamorphic differentiation

Nagayoshi Katsuta, Ichiko Shimizu, Herwart Helmstaedt, +3

Journal of Metamorphic Geology

Metamorphic ProcessEarth ScienceEngineeringMetamorphic PetrologyIron Formation +12

Episyenite formation in the Toki granite, central Japan

Shoji Nishimoto, Hidekazu Yoshida, Yoshihiro Asahara, +3

Contributions to Mineralogy and Petrology

Earth ScienceEngineeringOre GenesisGeologyGeochemistry +4

Weathering rind formation in buried terrace cobbles during periods of up to 300ka

Hidekazu Yoshida, Richard Metcalfe, Shoji Nishimoto, +2

Applied Geochemistry

Geotechnical EngineeringHillslope ProcessEngineeringExperimental GeomorphologyGeomorphology +9