All abstracts by Akira Ishikawa in conference series: Goldschmidt

(2023) The Thermal and Chemical Litho-Stratigraphy beneath the Hawaiian Islands
Fujita R, Ishikawa A, Yokoyama T & Garcia MO

(2023) Is Lunar Dust Producing the Late Eocene ³He Anomaly, 36 Ma Ago? New Insights from Extraterrestrial ³He in Iridium Poor Marine Sediments
Fritz J, Blard P-H, Sato H, Ishikawa A & Goderis S

(2023) Highly Siderophile Element Geochemistry of Phanerozoic Komatiites and Related Mafic-Ultramafic Rocks in Gorgona Island, Columbia
Yuta I, Ishikawa A, Yokoyama T & Shimizu K

(2023) Ophiolitic Crust-Mantle Decoupling Revealed by Cr-Spinel Compositions of Timor Peridotites
Lin Y-C, Pearce JA, Ishikawa A, Buret Y, Spratt J, Maruyama S, Kadarusman A & Chung S-L

(2023) Highly Siderophile Elements and Os Isotope Compositions of Ryugu Samples
Ishikawa A, Yokoyama T, Nakanishi N & Walker RJ

(2022) Simple and Accurate Determination of Chalcophile and Highly Siderophile Elements in Carbonaceous Chondrites Using Triple Quadrupole ICP-MS
Ishikawa A, Nakano S, Fujita R & Yokoyama T

(2022) The Compositional Dichotomy of ca. 3.3 Ga Komatiites from the West Pilbara
Kubota Y, Nakano S, Ishikawa A & Ueno Y

(2022) Can the Slightly Depleted Mantle be a High ³He/⁴He Reservoir?
Fujita R, Ishikawa A, Sumino H & Garcia MO

(2022) Thermal Structure of Oceanic Lithosphere Constrained from the Petit-Spot Mantle Xenoliths
Niwa Y, Ishikawa A & Akizawa N

(2022) Highly Siderophile Elements and Os Isotope Stratigraphy Across the Norian/Rhaetian Boundary in the Lagonegro Basin, Southern Italy
Sato H, Ishikawa A, Tomimatsu Y, Onoue T & Rigo M

(2021) Highly Siderophile Elements Behavior in the Paleoarchean Camel Creek Komatiites from East Pilbara Terrane, Western Australia
Nakano S, Ishikawa A, Ueno Y & Yokoyama T

(2021) The Paleoarchean Buffalo River Komatiites: Evidence for Progressive Melting of a Single Large Mantle Plume beneath the Growing Kaapvaal Continent
Netshidzivhe T, Tappe S, Wilson A, Ishikawa A & Viljoen F

(2021) Missing Negative Δ³³S Reservoir in Mantle Inferred from 2.7 Ga Komatiite
Kubota Y, Matsu'ura F, Shimizu K, Ishikawa A & Ueno Y

(2021) Highly Siderophile Element Mobility during Serpentinization of Mantle Wedge Peridotite
Ishikawa A, Nakamura N & Yokoyama T

(2021) Sampling Source Heterogeneities that Bind the Ontong Java Nui Puzzle Together
Tejada MLG, Sano T, Hanyu T, Koppers A, Nakanishi M, Ishikawa A, Miyazaki T, Tani K, Shimizu S, Chang Q & Vaglarov B

(2020) A Peridotite Xenolith from Garnet-Stability Field beneath Aitutaki: An Implication for Small-Scale Convection
Akizawa N, Ozawa K, Wallis S, Tamura A, Ishikawa A & Kogiso T

(2020) Ancient Origin of Hawaiian Xenoliths: Fragments of Mantle Plume?
Fujita R, Ishikawa A, Yokoyama T & Garcia M

(2020) Development of Laser Ablation with Filter (LAF) Sampling Method for Micro-Scale Isotopic Analysis of Geologic Materials
Masuda Y, Yokoyama T, Okabayashi S & Ishikawa A

(2020) No Impact Signatures in Earth’s Oldest Rocks from Acasta Gneiss Complex, Canada
Ishikawa A, Koshida K, Suzuki K, Yokoyama T & Komiya T

(2020) In situ Hydrogen Isotope Analysis of Pyroxenes in Precambrian Gabbro
Yagi H, Itoh S, Ishikawa A, Shibuya T & Ueno Y

(2020) Stable Sr Isotopes of the Middle-Late Permian Carbonate: Its Implication for Driving Ocean Sr Budget Change
Kani T, Isozaki Y, Misawa K, Ishikawa A & Yoneda S

(2019) Hf-W Dating of Main-Group Pallasites
Homma Y, Iizuka T & Ishikawa A

(2018) Positive Zr Anomaly in Archean-Paleoproterozoic Sandstones and its Significance in Continental Growth
Sawada H, Ishikawa A & Isozaki Y

(2018) A Recycling of Subducted Crust in Archean Mantle Inferred from S-Mif of Belingwe Komatiite
Kubota Y, Ueno Y, Shimizu K, Matsuura F & Ishikawa A

(2017) Determination of Highly Siderophile Element Concentrations and ¹⁸⁷Os/¹⁸⁸Os Ratio for Ferromanganese Nodule Reference Materials
Tokeshi S, Ishikawa A & Suzuki K

(2017) Re-Os and Highly Siderophile Element Systematics of Peridotite Xenoliths from Hawaii
Ishikawa A, Akizawa N, Kogiso T & Suzuki K

(2017) Osmium Isotope and PGE Signatures of the Deep-Sea Deposits from Japan: Implications for the Late Triassic Impact Event
Sato H, Nozaki T, Ishikawa A, Onoue T, Kimura J-I, Chang Q & Suzuki K

(2016) Re-Os Constraints on the Formation Age of Acasta Mafic Rocks
Koshida K, Ishikawa A, Suzuki K & Komiya T

(2016) The Nulliak Supracrustal Rocks, Labrador, Canada: Their Occurrence, Age, and the Oldest Evidence for Life
Komiya T, Aoki S, Koshiba K, Tashiro T, Yamamoto S, Ishikawa A, Ishida A, Hori M, Igisu M & Sano Y

(2016) Re-Os Isotope and Highly Siderophile Element Constraints on the Origin of Ancient Depleted Domains in the Modern Convecting Mantle
Ishikawa A, Senda R, Tani K-I, Suzuki K & Ishii T

(2016) PGE Signature of an EM-1 Mantle Source, Evidence from Pitcairn Basalts
Senda R, Ishikawa A, Hanyu T, Kawabata H, Takahashi T & Suzuki K

(2015) Remelting of Ontong Java Plateau Lithosphere
Hanyu T, Tejada M, Shimizu K, Ishikawa A, Kimura J-I, Chang Q, Senda R, Miyazaki T, Goto K & Ishizuka O

(2014) Highly Siderophile Element Mobility during Oceanic LIP Emplacements: Implications from Subaerial and Submarine Basalts on Shatsky Rise
Ishikawa A, Sano T, Senda R & Suzuki K

(2014) Large ¹⁸²W Anomalies in Eoarchean Residual Mantle Rocks from Northern Labrador, Canada
Liu J, Touboul M, Ishikawa A, Walker R & Pearson G

(2013) Occurrence of >3.9 Ga “Nanok” Gneiss from Saglek Block, Northern Labrador, Canada
Shimojo M, Yamamoto S, Aoki S, Sakata S, Maki K, Koshida K, Ishikawa A, Hirata T, Collerson KD & Komiya T

(2013) Geology, Lithostratigraphy and Geochemistry of the Oldest Eoarchaean BIFs, Northern Labrador
Aoki S, Masanori M, Sakata S, Yamamoto S, Ishikawa A, Hirata T & Komiya T

(2013) Petrology and Geochemistry of Mafic Rocks in the Acasta Gneiss Complex
Koshida K, Ishikawa A, Iwamori H & Komiya T

(2013) Re-Os Isotope and Platinum Group Element Composition of Louisville Seamounts Chain, Pacific Ocean
Tejada ML, Hanyu T, Ishikawa A, Senda R & Suzuki K

(2013) The Source Mantle and Magma Genesis of Basalts from Pitcairn Island: Implication from Highly Siderophile Elements and Os Isotope Ratios
Senda R, Hanyu T, Ishikawa A, Kawabata H, Takahashi T & Suzuki K

(2013) Re-evaluation of Digestion Methods for Accurate Re-Os Isotope and Highly Siderophile Element Analyses
Ishikawa A, Senda R, Suzuki K & Dale C

(2012) Search for Early Archean Mantle Lacking the Late-Veneer Component
Ishikawa A, Shimojo M, Suzuki K, Collerson K & Komiya T

(2012) Geology of the Nain Complex, Labrador, Canada: Occurrence of the Early Archean Supracrustals
Komiya T, Shimojo M, Yamamoto S, Sawaki Y, Ishikawa A, Aoki K & Kenneth C

(2012) U-Pb Zircon Ages of Early Archean Gneisses from Northern Labrador
Shimojo M, Yamamoto S, Maki K, Hirata T, Sawaki Y, Aoki K, Ishikawa A, Okada Y, Collerson KD & Komiya T

(2011) PGE Perspective on Early Cretaceous Oceanic Anoxic Event: Pacific vs. Tethyan Domains
Tejada ML, Suzuki K, Ishikawa A, Nozaki T, Senda R, Ravizza G & Kimura J-I

(2011) Trans-Lithospheric Variations in Highly Siderophile Elements beneath the Ontong Java Plateau
Ishikawa A, Maruoka T, Dale CW & Pearson GD

(2009) Re-Os Isotopes and Platinum-Group Elements in a Peridotite-Pyroxenite Hybrid Mantle
Ishikawa A, Pearson DG & Dale CW

(2007) Re-Os Evidence for Ancient Mantle beneath the Ontong Java Plateau
Ishikawa A, Pearson G & Dale C

(2004) Mid-Oceanic Ridge Origin for Peridotite Xenoliths from sub-Ontong Java Plateau Mantle
Ishikawa A & Nakamura E

(2003) Dupal Signature Recorded in Quartz-Garnet Clinopyroxenite Xenolith from sub-Ontong Java Plateau Mantle
Ishikawa A & Nakamura E