Publications (論文)

Makwinja, A.A., Chikanda, F., Maneya, G.J., Kikuchi, R., Mufalo, W., Ishida, A., Otake., T. (2026) Geochemical characterization and potential impact of coal mine drainage on river water quality at selected coal mines in the Livingstonia Coalfield, Malawi, Applied Geochemistry, 196, 106636. https://doi.org/10.1016/j.apgeochem.2025.106636

Hkaung, H-S.,  Yamashita, N., Kimotsuki, N., Nakamura, F., Chikanda, F., Kikuchi, R., Ohtomo, Y., Otake, T., Sato, T. (2026) Enhanced rock weathering in acid mine drainage systems: Field evidence and passive treatment implications, Cleaner Engineering and Technology, 32, 101203. https://doi.org/10.1016/j.clet.2026.101203

Godirilwe, J., Hasegawa, K., Chikanda, F., Ohtomo, Y., Tomiyama, S., Kikuchi, R., Fuchida, S., Sato, T., Otake, T. (2026) Abiotic, catalytic dominance in m manganese removal from acid mine drainage: Role and mechanism of birnessite formed on sand filters, Resource Geology, 76, e7003676. https://doi.org/10.1111/rge.70036

Prihutami, P., Toda, K., Chaerun, R.I., Ohya, Y., Kikuchi, R., Otake, T., Sato, T., Saito, T. (2026)

Structural transformation of zinc in metakaolin-based potassium-geopolymer as revealed by x-ray absorption spectroscopy, Applied Clay Science, 292, 108330. https://doi.org/10.1016/j.clay.2026.108330

Chikanda, F., Manda, E., Otake, T. (2026) From Waste to Resource: A Characterization-Based Framework for Sustainable Mine Tailings Management, Aspects in Mining and Mineral Science, 15, 2. https://crimsonpublishers.com/amms/pdf/AMMS.000856.pdf

International Conferences (国際学会発表)

〇T. Otake (Oral, Invited): What is geologic hydrogen and its potential as a new energy resource? 2026 I2CNER Annual Symposium “Challenge and Innovation for a Carbon-Nuetrailty Society and Beyond”, Fukuoka, January  26, 2026.

〇F. Chikanda, E. Manda, H. H. San, R. Kikuchi, T. Otake, T. Sato: Geochemical Safety of Enhanced Rock Weathering for Acid Mine Drainage Remediation in Japan and Tailings in Zambia. International Mine Water Association Conference 2026. Jeongseon, South Korea, July 2026.

〇T. Otake, D. Kamakura, R. Kikuchi, F. Chikanda, Y. Ohtomo, T. Sato (Oral): Experimental study on hydrogen generation during low temperature serpentinization using various ultramafic rocks in Japan. Goldschmidt 2026, Montreal, July 16, 2026.

〇T. Otake (Oral, Invited): Mineralogical and geochemical factors affecting hydrogen generation during low temperature serpentinization. Asia Oceania Geoscience Society 2026, Fukuoka, August 4, 2026.

〇Y. Beppu, T. Otake, T. Arima, P. M. George, R. Kikuchi, Y. Ohtomo, Y. Kawamura (Poster): High neutralization capacity of ore and altered host rocks of an intrusion-related gold deposit in Sekisovskoye, east Kazakhstan. International Association on the Genesis of Ore Deposit Quadrennial Symposium 2026, Porto, September 2, 2026.

〇Y. Beppu, T. Otake, T. Arima, P. M. George, R. Kikuchi, Y. Ohtomo, Y. Kawamura (Poster): High neutralization capacity of ore and altered host rocks of an intrusion-related gold deposit in Sekisovskoye, east Kazakhstan. International Association on the Genesis of Ore Deposit Quadrennial Symposium 2026, Porto, September 2, 2026.

〇M. Ishida, F.E. Jenner, S.J. Hammond, A. Cortes-Calderon, C. Broderick, T. Hosono, R. Shinjo, J.J. Wilkinson (Oral) Role of magmatic sulfides in magmas associated with low-sulfidation epithermal gold deposits: an example from southern Kyushu, Japan.  International Association on the Genesis of Ore Deposit Quadrennial Symposium 2026, Porto, September 2, 2026.

Domestic Conferences (国内学会発表)

〇大竹 翼 (招待講演): 国内超苦鉄質岩を用いた低温蛇紋岩化による水素生成実験: 天然水素生成ポテンシャルの評価に向けて, 令和8年度石油技術協会春季講演会 地質・探鉱/CCSシンポジウム「CN社会に向かう途上の低排出燃料としてのガス」, 国立オリンピック記念青少年総合センター, 2026年6月2日.

〇D. Sefemo, M. Kojima, Y. Kon, H. Yamazaki, J. Godirilwe, R. Kikuchi, T. Otake (口頭): Geochemical discrimination of magmatic vs. hydrothermal Ni enrichment: Trace element and isotopic indicators of magnetite, 資源地質学会第75回年会講演会, 東京大学小柴ホール, 2026年6月25日.

〇佐藤 広昭, 菊池 亮佑, 石渡 翔丸, 大友 陽子, S. Jargalan (ポスター): モンゴル中部 Idermeg 帯に産する Li ペグマタイトの鉱物学的、地球化学的特徴, 資源地質学会第75回年会講演会, 東京大学小柴ホール, 2026年6月26日.

〇M. Ishida, T. Nozaki, Y. Takaya, J. Ohta, Q. Chang, J-I. Kimura, K. Nakamura, Y. Kato.  (口頭) Magmatic input or wall-rock leaching? A Re-Os perspective on the

metal sources of arc-related hydrothermal systems. JpGU-AGU Joint Meeting, SVC35-13, C000595, May 27, 2026.

〇石田 美月 C. Broderick（ポスター）:  岩石薄片中の希少相定量の不確実性評価：火山岩中の硫化物における例. 資源・素材2026 P016A，福岡工業大学，2026年9月8日

Awards (受賞)

研究奨励賞 〇石田 美月: 浅熱水性金属鉱床および日本の鉱脈型鉱床の成因解明に関する同位体地球化学的研究, 資源地質学会.