List of works - Naotaka Tomioka

A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu

scientific article published in 2023

A history of mild shocks experienced by the regolith particles on hydrated asteroid Ryugu

scientific article published on 20 April 2023

A model for the shear mechanism in the enstatite-akimotoite phase transition

article

A new high-pressure form of Mg2SiO4 highlighting diffusionless phase transitions of olivine

scientific article published on 11 December 2017

A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample

scientific article published in 2022

Akimotoite, (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group in the Tenham chondrite

scholarly article by Naotaka Tomioka & Kiyoshi Fujino published 1 March 1999 in American Mineralogist

Analyses of Ultrahigh Pressure Materials by an Analytical Elelctron Microscope

Ca-Al-Fe-rich inclusion in the Vigarano CV3 chondrite

scholarly article

Cathodoluminescence of high-pressure feldspar minerals as a shock barometer

scholarly article

Comet 81P/Wild 2 under a microscope

scientific article

Complete 40 Ar resetting in an ultracataclasite by reactivation of a fossil seismogenic fault along the subducting plate interface in the Mugi Mélange of the Shimanto accretionary complex, southwest Japan

Compressibility of strontium orthophosphate Sr3(PO4)2 at high pressure

article published in 2010

Crystal Structure of New Carbon–Nitride-Related Material C$_{2}$N$_{2}$(CH$_{2}$)

Crystal Structure of New Carbon–Nitride-Related Material C2N2(CH2)

Cyanobacterial exopolymer properties differentiate microbial carbonate fabrics

scientific article published on 18 September 2017

Deep microbial proliferation at the basalt interface in 33.5-104 million-year-old oceanic crust

scientific article published on 02 April 2020

Deformation history of Pinatubo peridotite xenoliths: constraints from microstructural observation and determination of olivine slip systems

Discovery of fossil asteroidal ice in primitive meteorite Acfer 094

scientific article published on 20 November 2019

Discovery of moganite in a lunar meteorite as a trace of H2O ice in the Moon's regolith.

scientific article

Discovery of natural MgSiO3 tetragonal garnet in a shocked chondritic meteorite.

scientific article published on 25 March 2016

Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite

scientific article published on 12 January 2023

Early fluid activity on Ryugu: perspectives from oxygen, carbon, and 53Mn-53Cr isotopes

scientific article published on 8 June 2022

Elasticity of Ferropericlase across the Spin Crossover in the Earth's Lower Mantle

scientific article

Equation of state and hyperfine parameters of high-spin bridgmanite in the Earth’s lower mantle by synchrotron X-ray diffraction and Mössbauer spectroscopy

scholarly article in American Mineralogist, vol. 102 no. 2, February 2017

Equation of state of (Mg0.8,Fe0.2)2SiO4ringwoodite from synchrotron X-ray diffraction up to 20 GPa and 1700 K

Experimental data on Fe and Mg partitioning between coexisting sapphirine and spinel: an empirical geothermometer and its application

Experimental study of thermal conductivity at high pressures: Implications for the deep Earth’s interior

article

Extended chondrule formation intervals in distinct physicochemical environments: Evidence from Al-Mg isotope systematics of CR chondrite chondrules with unaltered plagioclase

scientific article published on 22 June 2019

Extracellular calcification of Braarudosphaera bigelowii deduced from electron microscopic observations of cell surface structure and elemental composition of pentaliths

article

Growth of ringwoodite reaction rims from MgSiO3 perovskite and periclase at 22.5 GPa and 1,800 °C

H-D interdiffusion in brucite at pressures up to 15 GPa

scholarly article in American Mineralogist, vol. 98 no. 11-12, November 2013

Hayabusa2 returned samples: A unique and pristine record of outer Solar System materials from asteroid Ryugu

scientific article published on 28 January 2022

Heating effects of the matrix of experimentally shocked Murchison CM chondrite: Comparison with micrometeorites

scholarly article

High temperature X-ray diffraction study of enstatite up to the melting point

High-pressure minerals in the Earth and planetary materials

scientific article published in 2012

High-pressure transformations in MgAl2O4

scientific article published in 1998

High‐pressure minerals in shocked meteorites

scholarly article

Hydrogen site analysis of hydrous ringwoodite in mantle transition zone by pulsed neutron diffraction

scholarly article

Hydrogen sites in the dense hydrous magnesian silicate phase E: a pulsed neutron powder diffraction study

In situ X-ray diffraction study of enstatite up to 12 GPa and 1473 K and equations of state

scholarly article in American Mineralogist, vol. 84 no. 10, October 1999

Incorporation of 16O-rich anhydrous silicates in the protolith of highly hydrated asteroid Ryugu

scientific article published in 2022

Insight into multi-step geological evolution of C-type asteroids from Ryugu particles

scientific article published on 20 March 2023

Iron-rich Smectite Formation in Subseafloor Basaltic Lava in Aged Oceanic Crust.

scientific article

Laihunite in planetary materials: An FTIR and TEM study of oxidized synthetic and meteoritic Fe-rich olivine

scientific article published in 2012

Low-Temperature Clay Mineral Dehydration Contributes to Porewater Dilution in Bering Sea Slope Subseafloor

Mechanism of the olivine–ringwoodite transformation in the presence of aqueous fluid

Microstructural observations of fracture–filling goethite vein along the Kerajang Fault Zone in the Rengali Province of eastern India

Microstructures and structural phase transition in (Mg,Fe)SiO3 majorite

Mid-infrared spectra of the shocked Murchison CM chondrite: Comparison with astronomical observations of dust in debris disks

Millennial- to submillennial-scale features of the Matuyama-Brunhes geomagnetic polarity transition from Osaka Bay, southwestern Japan

scientific article

Mineralogy and Petrology of Comet 81P/Wild 2 Nucleus Samples

scientific article published in Science

Mineralogy and petrology of fine‐grained samples recovered from the asteroid (162173) Ryugu

scientific article published on 22 November 2023

Modern precipitation of hydrogenetic ferromanganese minerals during on-site 15-year exposure tests

scientific article published on 26 February 2020

Natural (Mg,Fe)SiO 3 -Ilmenite and -Perovskite in the Tenham Meteorite ⬇️

scientific article published on August 22, 1997

Natural occurrence of Fe2SiO4-spinel in the shocked Umbarger L6 chondrite

scholarly article in American Mineralogist, vol. 87 no. 8-9, August 2002

New shock microstructures in titanite (CaTiSiO5) from the peak ring of the Chicxulub impact structure, Mexico

scholarly article

On oriented ilmenite needles in garnet porphyroblasts from deep crustal granulites: Implications for fluid evolution and cooling history

Order-Disorder Transition in Majorite Garnet in Shocked Meteorites and Deep Earth's Interior

Oxygen isotope evidence from Ryugu samples for early water delivery to Earth by CI chondrites

scientific article published on 19 December 2022

P-V-T relations of MgSiO3perovskite determined by in situ X-ray diffraction using a large-volume high-pressure apparatus

scholarly article

Pressure-induced amorphization of albitic plagioclase in an externally heated diamond anvil cell

scholarly article

Probing the hydrothermal system of the Chicxulub impact crater ⬇️

scientific article published on 29 May 2020

Pulsed neutron powder diffraction at high pressure by a capacity-increased sapphire anvil cell

Quantitative analysis of hydrogen sites and occupancy in deep mantle hydrous wadsleyite using single crystal neutron diffraction

scientific article

Quasielastic neutron scattering of brucite to analyse hydrogen transport on the atomic scale

scientific article published on 25 October 2018

Re-distribution of volatiles on the airless surface of the C-type carbonaceous asteroid Ryugu

scientific article published on 16 March 2023

Serpentinimonas gen. nov., Serpentinimonas raichei sp. nov., Serpentinimonas barnesii sp. nov. and Serpentinimonas maccroryi sp. nov., hyperalkaliphilic and facultative autotrophic bacteria isolated from terrestrial serpentinizing springs

scholarly article

Shock-induced transition of NaAlSi3O8feldspar into a hollandite structure in a L6 chondrite

scholarly article

Significant contribution of subseafloor microparticles to the global manganese budget

scientific article published in Nature Communications

Silicate minerals and Si-O glass in comet Wild 2 samples: Transmission electron microscopy

scholarly article

Striped iron zoning of olivine induced by dislocation creep in deformed peridotites

scientific article published in Nature

Structure refinement of sub-cubic-mm volume sample at high pressures by pulsed neutron powder diffraction: application to brucite in an opposed anvil cell

Synthesis of large and homogeneous single crystals of water-bearing minerals by slow cooling at deep-mantle pressures

scholarly article in American Mineralogist, vol. 100 no. 7, July 2015

The breakdown of diopside to Ca-rich majorite and glass in a shocked H chondrite

scientific article

The formation of peak rings in large impact craters

scientific article

The occurrence of fluor-wagnerite in UHT granulites and its implications towards understanding fluid regimes in the evolution of deep crust: a case study from the Eastern Ghats Belt, India

Tritium in Japanese precipitation following the March 2011 Fukushima Daiichi Nuclear Plant accident

scientific article

List of works by Naotaka Tomioka

A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu

A history of mild shocks experienced by the regolith particles on hydrated asteroid Ryugu

A model for the shear mechanism in the enstatite-akimotoite phase transition

A new high-pressure form of Mg2SiO4 highlighting diffusionless phase transitions of olivine

A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample

Akimotoite, (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group in the Tenham chondrite

Analyses of Ultrahigh Pressure Materials by an Analytical Elelctron Microscope

Ca-Al-Fe-rich inclusion in the Vigarano CV3 chondrite

Cathodoluminescence of high-pressure feldspar minerals as a shock barometer

Comet 81P/Wild 2 under a microscope

Complete 40 Ar resetting in an ultracataclasite by reactivation of a fossil seismogenic fault along the subducting plate interface in the Mugi Mélange of the Shimanto accretionary complex, southwest Japan

Compressibility of strontium orthophosphate Sr3(PO4)2 at high pressure

Crystal Structure of New Carbon–Nitride-Related Material C$_{2}$N$_{2}$(CH$_{2}$)

Crystal Structure of New Carbon–Nitride-Related Material C2N2(CH2)

Cyanobacterial exopolymer properties differentiate microbial carbonate fabrics

Deep microbial proliferation at the basalt interface in 33.5-104 million-year-old oceanic crust

Deformation history of Pinatubo peridotite xenoliths: constraints from microstructural observation and determination of olivine slip systems

Discovery of fossil asteroidal ice in primitive meteorite Acfer 094

Discovery of moganite in a lunar meteorite as a trace of H2O ice in the Moon's regolith.

Discovery of natural MgSiO3 tetragonal garnet in a shocked chondritic meteorite.

Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite

Early fluid activity on Ryugu: perspectives from oxygen, carbon, and 53Mn-53Cr isotopes

Elasticity of Ferropericlase across the Spin Crossover in the Earth's Lower Mantle

Equation of state and hyperfine parameters of high-spin bridgmanite in the Earth’s lower mantle by synchrotron X-ray diffraction and Mössbauer spectroscopy

Equation of state of (Mg0.8,Fe0.2)2SiO4ringwoodite from synchrotron X-ray diffraction up to 20 GPa and 1700 K

Experimental data on Fe and Mg partitioning between coexisting sapphirine and spinel: an empirical geothermometer and its application

Experimental study of thermal conductivity at high pressures: Implications for the deep Earth’s interior

Extended chondrule formation intervals in distinct physicochemical environments: Evidence from Al-Mg isotope systematics of CR chondrite chondrules with unaltered plagioclase

Extracellular calcification of Braarudosphaera bigelowii deduced from electron microscopic observations of cell surface structure and elemental composition of pentaliths

Growth of ringwoodite reaction rims from MgSiO3 perovskite and periclase at 22.5 GPa and 1,800 °C

H-D interdiffusion in brucite at pressures up to 15 GPa

Hayabusa2 returned samples: A unique and pristine record of outer Solar System materials from asteroid Ryugu

Heating effects of the matrix of experimentally shocked Murchison CM chondrite: Comparison with micrometeorites

High temperature X-ray diffraction study of enstatite up to the melting point

High-pressure minerals in the Earth and planetary materials

High-pressure transformations in MgAl2O4

High‐pressure minerals in shocked meteorites

Hydrogen site analysis of hydrous ringwoodite in mantle transition zone by pulsed neutron diffraction

Hydrogen sites in the dense hydrous magnesian silicate phase E: a pulsed neutron powder diffraction study

In situ X-ray diffraction study of enstatite up to 12 GPa and 1473 K and equations of state

Incorporation of 16O-rich anhydrous silicates in the protolith of highly hydrated asteroid Ryugu

Insight into multi-step geological evolution of C-type asteroids from Ryugu particles

Iron-rich Smectite Formation in Subseafloor Basaltic Lava in Aged Oceanic Crust.

Laihunite in planetary materials: An FTIR and TEM study of oxidized synthetic and meteoritic Fe-rich olivine

Low-Temperature Clay Mineral Dehydration Contributes to Porewater Dilution in Bering Sea Slope Subseafloor

Mechanism of the olivine–ringwoodite transformation in the presence of aqueous fluid

Microstructural observations of fracture–filling goethite vein along the Kerajang Fault Zone in the Rengali Province of eastern India

Microstructures and structural phase transition in (Mg,Fe)SiO3 majorite

Mid-infrared spectra of the shocked Murchison CM chondrite: Comparison with astronomical observations of dust in debris disks

Millennial- to submillennial-scale features of the Matuyama-Brunhes geomagnetic polarity transition from Osaka Bay, southwestern Japan

Mineralogy and Petrology of Comet 81P/Wild 2 Nucleus Samples

Mineralogy and petrology of fine‐grained samples recovered from the asteroid (162173) Ryugu

Modern precipitation of hydrogenetic ferromanganese minerals during on-site 15-year exposure tests

Natural (Mg,Fe)SiO 3 -Ilmenite and -Perovskite in the Tenham Meteorite ⬇️

Natural occurrence of Fe2SiO4-spinel in the shocked Umbarger L6 chondrite

New shock microstructures in titanite (CaTiSiO5) from the peak ring of the Chicxulub impact structure, Mexico

On oriented ilmenite needles in garnet porphyroblasts from deep crustal granulites: Implications for fluid evolution and cooling history

Order-Disorder Transition in Majorite Garnet in Shocked Meteorites and Deep Earth's Interior

Oxygen isotope evidence from Ryugu samples for early water delivery to Earth by CI chondrites

P-V-T relations of MgSiO3perovskite determined by in situ X-ray diffraction using a large-volume high-pressure apparatus

Pressure-induced amorphization of albitic plagioclase in an externally heated diamond anvil cell

Probing the hydrothermal system of the Chicxulub impact crater ⬇️

Pulsed neutron powder diffraction at high pressure by a capacity-increased sapphire anvil cell

Quantitative analysis of hydrogen sites and occupancy in deep mantle hydrous wadsleyite using single crystal neutron diffraction

Quasielastic neutron scattering of brucite to analyse hydrogen transport on the atomic scale

Re-distribution of volatiles on the airless surface of the C-type carbonaceous asteroid Ryugu

Serpentinimonas gen. nov., Serpentinimonas raichei sp. nov., Serpentinimonas barnesii sp. nov. and Serpentinimonas maccroryi sp. nov., hyperalkaliphilic and facultative autotrophic bacteria isolated from terrestrial serpentinizing springs

Shock-induced transition of NaAlSi3O8feldspar into a hollandite structure in a L6 chondrite

Significant contribution of subseafloor microparticles to the global manganese budget

Silicate minerals and Si-O glass in comet Wild 2 samples: Transmission electron microscopy

Striped iron zoning of olivine induced by dislocation creep in deformed peridotites

Structure refinement of sub-cubic-mm volume sample at high pressures by pulsed neutron powder diffraction: application to brucite in an opposed anvil cell

Synthesis of large and homogeneous single crystals of water-bearing minerals by slow cooling at deep-mantle pressures

The breakdown of diopside to Ca-rich majorite and glass in a shocked H chondrite

The formation of peak rings in large impact craters

The occurrence of fluor-wagnerite in UHT granulites and its implications towards understanding fluid regimes in the evolution of deep crust: a case study from the Eastern Ghats Belt, India

Tritium in Japanese precipitation following the March 2011 Fukushima Daiichi Nuclear Plant accident