All abstracts by Naoto Takahata in conference series: Goldschmidt

(2023) Atmospheric Helium Isotopes and Unknown Source of Helium-3
Sano Y, Pinti DL, Escobar-Nakajima MT, Takahata N, Zhang M, Goto D & Marty B

(2022) A New Approach for Detecting Trace Elements in Microfossils: Implications for the Paleoproterozoic Biosphere
Ishida A, Sasaki K, Kakegawa T, Takahata N & Sano Y

(2021) Groundwater Anomaly Related to CCS-CO₂ Injection and the 2018 Hokkaido Eastern Iburi Earthquake in Japan
Sano Y, Kagoshima T, Takahata N, Shirai K, Park J-O, Snyder GT, Shibata T, Yamamoto J, Nishio Y, Chen A-T, Xu S, Zhao D & Pinti DL

(2021) Helium Isotopic Signature in the Ilan Plain, NE Taiwan: Geochemical Evidences of a Magmatic Source
Chen A-T, Sano Y, Chen C-H, Takahata N, Lo C-H, Yang T, Liu T-K & Wang Y

(2021) Latent Magmatism in Non-Volcanic Areas in South Korea
Kim H, Lee H, Hong J, Song J-H, Takahata N & Sano Y

(2020) Speleothem as Archive of Past Volcanism: Impact of Kikai Volcano Eruption (7.3 ka) on a Remote Oceanic Island
Tanaka K, Miki T, Takahata N, Uemura R, Asami R, Yu T-L, Shen C-C, Shirai K, Murakami-Sugihara N, Toyama K & Sano Y

(2020) Gas Geochemistry in Pohang, South Korea: Information on the Active Fault Distribution Near the EGS Site
Kim H, Lee H, Lee J, Lee HA, Woo NC, Lee Y-S, Kagoshima T, Takahata N & Sano Y

(2019) Two Kinds of Authigenic Xenotime Overgrowths in Response to an Early Paleozoic Tectonothermal Event in South China
Lan Z, Li X, Sano Y, Takahata N, Kagoshima T, Zhang S, Zhang G, Liao X, Tang X, Gu L & Mao Q

(2019) Helium Isotopes Reveal Continuous and Intensive Degassing in Kagoshima Bay, Japan
Escobar MT, Takahata N, Shirai K, Kagoshima T, Tanaka K, Obata H & Sano Y

(2019) High Resolution Analysis of Bivalve Shell by NanoSIMS
Sano Y, Shirai K, Takahata N & Ishida A

(2019) Discovery of New Morphotypes in ca. 1.9 Ga Gunflint Microfossils and their Complex Structure and Heterogeneous Chemistry
Sasaki K, Ishida A, Takahata N, Sano Y & Kakegawa T

(2019) Nitrogen Solubility in Stishovite Under High P-T: Formation of “Hidden” Nitrogen Reservoir in the Deep Mantle via Subducting Slabs
Fukuyama K, Kagi H, Inoue T, Kakizawa S, Shinmei T, Hishita S, Takahata N & Sano Y

(2019) Four Years Dynamics (2013-2016) of Tritium in Environmental Water at Fukushima Evacuation Zone
Hori M, Shozugawa K, Johnson T, Takahata N, Sano Y & Matsuo M

(2019) Focussed Degassing of Stored Carbon
Fischer TP, Muirhead J, Foley SF, Sano Y, Lee H, Takahata N, Laizer A, Kazimoto E, Oliva S, Ebinger C, Van Wijk J, Werner C, Aiuppa A, Allard P, Lopez T, Dufek J & Marty B

(2019) Helium Isotopic Signature of the Plate Boundary Suture in an Active Arc-Continent Collision Setting, Eastern Taiwan
Chen A, Shen C-C, Byrne TB, Sano Y, Takahata N, Yang TF & Wang Y

(2018) Incorporation of Nitrogen into the Lower-Mantle Minerals Under High Pressure and High Temperature
Fukuyama K, Kagi H, Inoue T, Shinmei T, Kakizawa S, Takahata N & Sano Y

(2018) Distribution of Helium Isotopes along 47°N of the Subarctic North Pacific
Escobar MT, Takahata N, Obata H & Sano Y

(2018) Noble Gas and Carbon Isotopic Compositions of Petit-Spot Lavas from Southeast of Marcus Island
Yamamoto J, Kawano T, Takahata N & Sano Y

(2017) ²⁰⁷Pb-²⁰⁶Pb Dating of Phosphates in CK Chondrites; Did their Parent Body Have “Onion-Shell” Structure?
Onda S, Sano Y, Takahata N, Koike M & Sugiura N

(2017) Groundwater Helium Anomaly Reflects Strain Change during the 2016 Kumamoto Earthquake in Southwest Japan
Sano Y, Takahata N, Kagoshima T, Shibata T, Onoue T & Zhao D

(2017) In situ Uranium-Lead Dating of Zagami and RBT 04261 Phosphates by NanoSIMS
Morita T, Sano Y, Koike M, Onda S, Takahata N, Hiyagon H & Niihara T

(2017) Isotopic Signature of Mature Slab Recycled Materials in Volcanic Rocks from the Caviahue-Copahue Volcanic Complex (Chile-Argentina)
Roulleau E, Tardani D, Vlastelic I, Vinet N, Sanchez J, Takahata N & Sano Y

(2016) The Geothermal System of Copahue-Caviahue Volcanic Complex (Argentina): Relationship between Isotopic Composition of Thermal Fluids and Fault Network
Roulleau E, Tardani D, Barvo F, Pizarro M, Pinti D, Takahata N, Sano Y, Vinet N, Munoz C & Sanchez J

(2016) Direct Emission of Tritium to the Ocean due to the Fukushima Daiichi Nulear Disaster
Takahata N, Tomonaga Y, Kumamoto Y, Yamada M & Sano Y

(2016) Geochemical Study on Precious Coral Skeletons: Effects of Biomineralization and Environmental Variation
Tanaka K, Ishida A, Takahata N, Dueñas L, Shirai K, Watanabe T, Kahng S & Sano Y

(2016) Spatial and Temporal Variations of Helium and Carbon Isotopes at Ontake Volcano, Japan
Sano Y, Kagoshima T, Takahata N, Ishida A, Tomonaga Y, Roulleau E, Pinti D, Fischer T, Lan T, Nishio Y & Tsunogai U

(2016) Partitioning Behavior of Volatiles between Apatite and Melt in Natural Andesitic-Rhyolitic Magmas
Dokyu M, Kogiso T, Sano Y, Takahata N, Ishida A, Koike M, Kawakami T & Yasuda A

(2016) An Ion-Microprobe Study of Be-B Systematics on CO and CH CAIs
Fukuda K, Fujiya W, Hiyagon H, Sugiura N, Takahata N & Sano Y

(2016) 3.2 Ga Seawater Sulfate Implied from Sulfur Isotopic Compositions of Barite Crystals in Pilbara, Western Australia
Miki T, Kiyokawa S, Takahata N, Ishida A, Ito T, Ikehara M, Yamaguchi K & Sano Y

(2016) Micron-scale δ¹³C Determination by NanoSIMS in a Juina Diamond with a Carbonate Inclusion
Pinti DL, Ishida A, Takahata N, Bureau H, Cartigny P & Sano Y

(2016) Verification of the Onion Shell Model: U-Pb and Pb-Pb Dating of H Chondrites
Onda S, Koike M, Takahata N, Ishida A, Sano Y, Fukuda K, Hiyagon H & Sugiura N

(2016) Halogen Fluxes at Mid-Ocean Ridges and Budget in Surface Environments
Kagoshima T, Ruzié-Hamilton L, Burgess R, Takahata N & Sano Y

(2015) Noble-Gas and Nitrogen Isotope Geochemistry of Geothermal Fluids from the Caviahue-Copahue Volcanic Complex in the Southern Andes
Roulleau E, Tardani D, Vinet N, Sano Y, Takahata N & Reich M

(2015) Fluid Emission along the Nankai Trough: Insights from Noble Gases in the Sediment Pore Water
Tomonaga Y, Ashi J, Takahata N, Yagasaki K, Toyoda S & Sano Y

(2015) Metal Fluxing in a Large-Scale Intra-Arc Fault: Insights from the Liquiñe-Ofqui Fault System in Southern Chile
Tardani D, Reich M, Roulleau E, Sano Y, Takahata N, González-Jiménez JM, Sanchez P, Cembrano J & Arancibia G

(2015) Study on Geochemical Composition of Precious Coral Skeletons
Tanaka K, Ishida A, Shirai K, Hori M, Takahata N & Sano Y

(2015) Strontium Isotope Compositions of Apatite Inclusions in Archaean Zircon
Ishida A, Takahata N, Sano Y, David J & Pinti D

(2015) Investigation of Martian Surface History: NanoSIMS Analyses of D/H Ratios and U-Pb Chronology of Martian Meteorites
Koike M, Sano Y, Takahata N, Ishida A, Sugiura N & Anand M

(2015) NanoSIMS Analyses of Mediterranean Mussel Shells
Sano Y, Sugihara N, Shirai K, Hori M, Ishida A & Takahata N

(2015) High Spatial Resolution Cl Isotope Analyses of Apatites Using NanoSIMS
Kagoshima T, Takahata N, Ishida A & Sano Y

(2014) Super-High Resolution Analysis of Mussel Shell by NanoSIMS
Sano Y, Sugihara N, Shirai K, Hori M, Ishida A, Takahata N & Fujii Y

(2013) Sulfur and Halogen Fluxes at Mid-Ocean Ridges: Estimations Based on Gas Compositions in MORB Vesicles
Kagoshima T, Sano Y, Takahata N & Marty B

(2013) Ion Microprobe U-Pb Dating and Sr Isotope Measurement of a Protoconodont
Sano Y, Toyoshima K, Shirai K, Takahata N, Sato T & Komiya T

(2013) U-Pb Dating of Eoarchaean Zircons Using a NanoSIMS
Ishida A, Takahata N, Sano Y, David J & Pinti DL

(2013) First Tritium-Helium Dating Results of Groundwater in Central Taiwan
Chen A-T, Yang TF, Liu T-K, Sano Y, Takahata N, Chen K-Y & Wang Y

(2013) Strontium Isotope Anomalies and ²⁶Al-²⁶Mg Chronology in CAIs from CV Chondrites
Myojo K, Yokoyama T, Sano Y, Takahata N, Sugiura N, Iwamori H & Uno M

(2013) Ion Microprobe U-Pb Dating of Individual Phosphate Grains in Martian Meteorite
Koike M, Ota Y, Takahata N, Sano Y & Sugiura N

(2012) Helium Isotopes and Gas Compositions in Aira Caldera: Comparative Study of Hydrothermal Activity at Sakurajima Volcano and Wakamiko Submarine Crater, Japan
Roulleau E, Sano Y, Takahata N & Kawagucci S

(2012) Estimation of S, F, Br and Cl Fluxes at Mid Ocean Ridges
Kagoshima T, Sano Y, Takahata N, Jung J, Amakawa H & Kumagai H

(2012) Discriminating Magma Sources from Fractionation Processes Using N, Ar and Pb Isotopes: The Monteregian Hills Alkaline Province
Pinti DL, Roulleau E, Stevenson RK, Takahata N & Sano Y

(2012) Distribution of Helium Isotope Ratio in the Central Indian Ocean
Hara T, Takahata N, Sano Y, Shirai K, Ohmori K & Gamo T

(2012) ²⁶Al-²⁶Mg and ¹⁰Be-10B Systematics in CAIs from CO and CV Chondrites
Myojo K, Yokoyama T, Sano Y, Takahata N & Sugiura N

(2011) U-Pb and Pb-Pb Dating of Phosphates in Martian Meteorites
Ota Y, Takahata N, Sano Y & Sugiura N

(2011) Diurnal Cycle of Strontium/Calcium Ratio in a Giant Clam Shell: A Super-Fine Pyrheliometer
Sano Y, Kobayashi S, Shirai K, Takahata N, Watanabe T, Sowa K & Iwai K

(2011) Meteoritic Organics as a Carrier of the Oxygen Isotope Anomaly in the Solar System
Hashizume K, Takahata N, Naraoka H & Sano Y

(2010) In situ Analyses of Sr Isotopes and REE of Phosphate Minerals in the Ediacaran Phosphorite of Weng'an Region, South China
Okada Y, Sawaki Y, Komiya T, Takahata N, Sano Y, Hirata T & Maruyama S

(2009) Nitrogen Isotopes and Plume-Ridge Interaction: The Central Indian Ridge and the Reykjanes Ridge
Barry P, Hilton D, Sano Y, Takahata N, Murton B, Füri E, Hemond C & Dyment J

(2009) Distribution of ³He Plume and Deep-Sea Circulation in the Northwestern Pacific Ocean
Sano Y, Tokutake T, Takahata N, Shirai K, Tanaka K & Fujio S

(2009) Determination of Zircon/Melt REE Partition Coefficient from 7µm Spot Analysis Using NanoSIMS
Kitajima K, Takahata N & Sano Y

(2009) Sampling and Analysis of Dissolved Noble Gases in The Porewater of Marine Sediments in Northeastern Okinawa Trough, Japan
Lan TF, Takahata N, Kiyota K, Tsutsumi M, Kaneko A, Yang TF & Sano Y

(2008) High ³He Emanation Observed in a Forearc Region and Seismic Tomography in SW Japan
Sano Y, Kameda A, Takahata N, Yamamoto J & Nakajima J

(2008) Helium Isotope Ratios in Northeastern Japan and their Comparison with the Seismological Data
Horiguchi K, Takahata N, Sano Y, Ueki S, Okada T, Nakajima J & Hasegawa A

(2008) U-Pb Geochronology of Apatite by High Lateral Resolution SIMS (NanoSIMS)
Kitajima K, Takahata N & Sano Y

(2008) C Isotopes and Multi-Elements Distribution within Individual Proteozoic Microfossils
Nishizawa M, Takahata N, Sano Y, Ueno Y & Maruyama S

(2007) Minor and Trace Element Geochemistry of a Branching Coral Acropora sp. Skeleton
Shirai K, Takahata N, Amakawa H, Watanabe T, Kawashima T, Sowa K & Sano Y

(2007) Distribution of ³He Plumes and Deep-Sea Circulation in the Central Pacific Ocean
Takahata N, Kiyota K, Shirai K, Nishizawa M, Sano Y & Gamo T

(2007) Determination of Lead Isotopic Ratios in Ferromanganese Crust by Using MC-ICP-MS and NanoSIMS
Takata Y, Tanimizu M, Takahata N, Amakawa H & Sano Y

(2006) Elemental fractionation in biogenic calcium carbonates.
Shirai K, Watanabe T, Takahata N & Sano Y

(2006) Helium isotopes of seawater in adjacent sea of Japan
Sano Y, Horiguchi K, Takahata N, Shirai K, Oda S & Gamo T

(2005) NANO-Sims U-Pb Dating of Monazite
Sano Y, Takahata N & Tsutsumi Y

(2005) Central America Arc Volatiles: along- and Across- Arc Variations
Fischer T, Hilton D, Elkins L, Shaw A, Zimmer M, Takahata N & Sano Y

(2004) Helium-3 Plume at 25˚S on the East Pacific Rise
Sano Y, Agarwal M, Nishizawa M, Shirai K, Inoue Y & Takahata N

(2003) Lead, Carbon and Nitrogen Isotope Geochemistry of Apatite-Bearing Metasediments from ~3.8 Ga Isua Supracrustal Belt, West Greenland
Sano Y, Nishizawa M, Takahata N, Terada K, Komiya T & Ueno Y

(2003) Precise Measurement of Heavy Noble Gases in Seawater
Takahata N & Sano Y

(2000) Constraints on the Origin of Carbonado from C and N Isotopes in Diamond Matrix and Studies of Inclusion Minerals
Yokochi R, Sano Y, Takahata N, Terada K, Ozima M & Chaves M