All abstracts by Minoru Ikehara in conference series: Goldschmidt
(2023) Synchronous Evolution of Surface and Bottom Waters in the Conrad Rise of the Southern Ocean during the Last 43, 000 YearsYang J, Ikehara M, Choi H & Khim BK
(2023) Seven Million Year Record of Multiple Geochemical Proxies of Planktonic Foraminifera Shells Collected from Marine Sediment Core (IODP Exp.361 Site U1476) after Removal of Clay and Boron-Specific Contamination Influences
Kubota K, Ishikawa T, Yoshimura T, Kimoto K, Chang Q, Ikehara M, Yokoyama Y, Jimenez-Espejo FJ, Hemming SR, Barker S & Hall IR
(2022) Nitrogen Cycling in the Late Paleoproterozoic Freshwater Environment
Motomura K, Kiyokawa S, Ikehara M & Sano T
(2022) Paleoenvironmental Reconstruction Based on the Revised Continuous Stratigraphy Across the Triassic-Jurassic Boundary in the Mino Belt, Central Japan
Soda K, Tomimatsu Y, Onoue T & Ikehara M
(2021) Ventilation of the Deep Ocean 2.2 Billion Years Ago: Evidence from the Birimian Greenstone Belt, Ghana
Yamaguchi KE, Ikehara M, Kiyokawa S, Ito T & Onoue T
(2021) Sediment Provenance and Indian Summer Monsoon Variability in the Mahanadi Basin of the Bay of Bengal during the Last 200 ka
Lee J, Ikehara M, Horikawa K, Asahara Y, Kim S & Khim BK
(2020) Geochemical Features of Organic-Rich Sediments in the Modern Ocean
Yano M, Yasukawa K, Nakamura K, Ikehara M & Kato Y
(2020) Boron Contamination during Boron Isotope Analysis of Planktonic Foraminifera
Kubota K, Ishikawa T, Nagaishi K, Kawai T, Sagawa T, Ikehara M, Yokoyama Y & Yamazaki T
(2019) Redox State of the Late Paleoproterozoic Marine Environment: The Cape Smith Belt, Canada
Motomura K, Kiyokawa S, Ikehara M, Sano T, Bleeker W, Tanaka K, Miki T & Sano Y
(2018) Different CO2 History Recorded in Boron Isotope Ratio of Two Surface Dwelling Planktonic Foraminifers
Kubota K, Yokoyama Y, Ishikawa T, Sagawa T, Ikehara M & Yamazaki T
(2017) Application of Independent Component Analysis to Geochemical Records of the Eocene Hyperthermals in the Indian Ocean
Yasukawa K, Nakamura K, Fujinaga K, Ikehara M & Kato Y
(2016) Geochemical and Os Isotopic Studies on the Pelagic Triassic-Jurassic Mass Extinction Levels
Hori S R, Kuroda J, Ikehara M & Suzuki K
(2016) Paleoenvironmental Reconstructions for the Bonaparte Gulf, Australia Using 14C Age Differences between Molluscs and Organic Matter
Ishiwa T, Yokoyama Y, Miyairi Y, Ikehara M, Obrochta S, Sasaki T & Kitamura A
(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) Sulfur Geochemistry of Marine Sediments at the Conrad Rise of the Southern Ocean Since the Last Glacial
Sakai N, Yamaguchi KE, Naraoka H & Ikehara M
(2016) Geochemistry of 2.7Ga Shallow-Facies Shales in Stromatolitic Carbonates (ABDP #10) from Pilbara, Western Australia
Tomiuka T, Yamaguchi KE, Naraoka H, Abe G, Yamaguchi A, Nedachi M & Ikehara M
(2016) Geochemical Cycling of Fe, S, C, N, and Mo in the 3.2 Ga Ocean: Constraints from DXCL-Dp Black Shales
Yamaguchi KE, Kobayashi Y, Shena A, Kobayashi D, Fujita S, Nagashima A, Sakamoto R, Naraoka H, Yamagata Y, Hirata T, Ikehara M, Ito T & Kiyokawa S
(2016) Deep-Sea Circulation Turnover Recognized in the Transition Period from the Warm Period to the Cool Period in the Cretaceous
Okawara S, Kaiho K & Ikehara M
(2016) A Geochemical Approach to Contourites Deposits: Examples from Antartic Margin and Gulf of Cadiz (IODP Exp. 318 and 339)
Jimenez-Espejo FJ, Salabarnada A, Bahr A, Kuroda J, Escutia C, Ikehara M, Voelker AHL, Evangelinos D, Röhl U, Hernández-Molina FJ & Ohkouchi N
(2013) REE Geochemistry of ~3.2 Ga Old BIFs from the Mapepe Formation and Msauli Member, Barberton, South Africa
Yahagi TR, Yamaguchi KE, Haraguchi S, Sano R, Teraji S, Kiyokawa S, Ikehara M & Ito T
(2013) Biogeochemical Cycling of Nitrogen and Carbon in the 3.2 Ga Ocean: Results from DXCL-Dp, NW Pilbara, Western Australia
Yamaguchi KE, Kobayashi D, Yamada K, Sakamoto R, Hosoi K, Kiyokawa S, Ikehara M & Ito T
(2013) Record of Bacterial Sulfate Reduction during 50~210 kyr ago in the Submarine Hypersaline Meedee Lake, off Crete Island, Eastern Mediterranean Sea
Minami H, Yamaguchi KE, Naraoka H, Murayama M, Ikehara M & Tokuyama H
(2011) Behavior of Biological and Terrigenous Elements during the Late Cenozoic in the Bering Sea: Paleoceanographic Constraints of the IODP Exp. 323 Sediments by High Resolution Non-Destructive TATSCAN Scanning
Sakamoto T, Sakai S, Takahashi K, Mic AC, Asahi H, Ikehara M, Okada M, Ijiri A, Onodera J, Okazaki Y, Horikawa K, Seki O & Aoki K
(2003) Paleoceanographic Reconstruction in the Okhotsk Sea: Evedince from Calcareous Microfossil Record in MD01-2412
Asahi H, Takahashi K, Ono A, Hori J, Ikehara M & Sakamoto T
(2003) Millennium Scale Paleoceanographic Changes in High Sedimentation IMAGES Core MD01-2412 in the Southwestern Part of the Sea of Okhotsk
Sakamoto T, Ikehara M, Uchida M, Aoki K, Harada N & Kanamatsu T
(2003) Fluctuation of Alkenone Temperature in the Okhotsk Sea over the Last 20 ka
Harada N, Ahagon N, Uchida M, Sakamoto T & Ikehara M
(2003) Variation of Alkenone Sea Surface Temperature in the Kuroshio Region of the Northwest Pacific during the Last 30 kyrs
Ikehara M, Matsuda A, Hokanishi N, Murayama M, Yasuda H & Kawamura K
(2003) Compound-Specific Radiocarbon Sedimentary Chronology for a High Resolution IMAGES Core (MD012412) in the Sea of Okhotsk
Uchida M, Shibata Y, Ikehara M, Harada N, Sakamaoto T & Aoki K
(2002) Reconstruction of Paleoproductivity in the Sea of Okhotsk over the Last 30 kyrs
Kawamura K, Seki O, Ikehara M, Ohnishi K, Nakatsuka T & Narita H