Research Achievements - Original paper -

Characteristics and mineralization age of the Fukusen No. 1 vein, Hishikari epithermal gold deposits, Southern Kyushu, Japan

Yuki Tohma, Akira Imai, Kenzo Sanematsu, Kotaro Yonezu, Ryohei Takahashi, Masaaki Koyama, Ryota Sekine, Robert Duncan, Koichiro Watanabe

Resource Geology   60 ( 4 ) 348 - 358   2010.11  [Refereed]

Research paper (journal)   International Co-author

DOI

Chemistry of cassiterite in rare metal granitoids and the associated rocks in the Eastern Desert, Egypt

Hamdy M. ABDALLA, Hiroharu MATSUEDA, Mohamed A. OBEID, Ryohei TAKAHASHI

Journal of Mineralogical and Petrological Sciences   103 ( 5 ) 318 - 326   2008.11  [Refereed]

Research paper (journal)   International Co-author

DOI

Epithermal gold-silver mineralization of the Asachinskoe deposit in South Kamchatka, Russia

Ryohei Takahashi , Hiroharu Matsueda, Victor M. Okrugin, Shuji Ono

Resource Geology   57 ( 4 ) 354 - 373   2007.11  [Refereed]

Research paper (journal)   International Co-author

DOI

Polymetallic and Au-Ag mineralizations at the Mutnovskoe deposit in South Kamchatka, Russia

Ryohei TAKAHASHI, Hiroharu MATSUEDA, Victor M. OKRUGIN, Shuji ONO

Resource Geology   56 ( 2 ) 141 - 156   2006.06  [Refereed]

Research paper (journal)   International Co-author

DOI

Hydrothermal gold mineralization at the Rodnikovoe deposit in South Kamchatka, Russia

Ryohei TAKAHASHI, Hiroharu MATSUEDA, Victor M. OKRUGIN

Resource Geology   52 ( 4 ) 359 - 369   2002.12  [Refereed]

Research paper (journal)   International Co-author

DOI

Characteristics of ore deposits for marine mineral recourses investigated by JOGMEC since 2014

Haruhisa MOROZUMI, Nobuaki ISHIKAWA, Miki CHIBA, Kazuo WATANABE, Takeyuki OGATA, Ryohei TAKAHASHI and Jun-ichiro ISHIBASHI

Shigen-Chishitsu ( The Society of Resource Geology )  70 ( 1 ) 53 - 65   2020.06  [Refereed]

Research paper (journal)   Domestic Co-author