"Wataru Fujisaki,NA,tetsuya yokoyama,shinji yamamoto,SHIGENORI MARUYAMA","Constraints for the causes of mass extinction at the Triassic-Jurassic boundary based on high precision platinum group element analyses",,"BUNSEKI KAGAKU",,"Vol. 64","No. 5","pp. 341-348",2015,June
"中井 俊一,山崎 絵里香,Tetsuya Yokoyama,三船 温尚,齋藤 努,陳 建立,サフー ユービン","スズ同位体を用いた青銅器の産地推定の可能性",,"日本地球化学会年会要旨集","日本地球化学会","Vol. 62",,"pp. 208",2015,
"深井 稜汰,Tetsuya Yokoyama,鏡味 沙耶","完全分解法を用いた炭素質コンドライト全岩の高精度Nd同位体比測定",,"日本地球化学会年会要旨集","日本地球化学会","Vol. 62",,"pp. 229",2015,
"森脇 涼太,臼井 寛裕,Tetsuya Yokoyama,J. I. Simon,J. H. Jones","火星隕石TissintのPb同位体分析に基づいた火星マントル化学進化の解明",,"日本地球化学会年会要旨集","日本地球化学会","Vol. 62",,"pp. 236",2015,
"Tetsuya Yokoyama,日野原 侑,永井 友一朗,森 智比古","113In-203Tlダブルスパイクを用いた同位体希釈内標準ICP-MS法による岩石の微量元素濃度測定",,"日本地球化学会年会要旨集","日本地球化学会","Vol. 62",,"pp. 213",2015,
"中西 奈央,Tetsuya Yokoyama,臼井 寛裕,岩森 光","局所サンプリングによるCBコンドライト中のメタル相におけるオスミウム同位体分析",,"日本地球化学会年会要旨集","日本地球化学会","Vol. 62",,"pp. 230",2015,
"Asobo Nkengmatia Asaah,Tetsuya Yokoyama,Aka, Festus T.,Tomohiro Usui,Takeshi Kuritani,Wirmvem, Mengnjo J.,Hikaru Iwamori,Fozing, Eric M.,Tamen, Jules,Mofor, Gilbert Z.,Takeshi OHBA,Tanyileke, Gregory,Hell, J. V.","Geochemistry of lavas from maar-bearing volcanoes in the Oku Volcanic Group of the Cameroon Volcanic Line",,"Chemical Geology",,"Vol. 406",,"pp. 55-69",2015,
"Ryoji Tanaka,Tetsuya Yokoyama,Kitagawa, Hiroshi,Tesfaye, Demissie Bizuneh,Nakamura, Eizo","Evaluation of the applicability of acid leaching for the U-238-Th-230 internal isochron method",,"Chemical Geology",,"Vol. 396",,"pp. 255-264",2015,
"Asobo Nkengmatia Asaah,Tetsuya Yokoyama,Aka, Festus T.,Tomohiro Usui,Wirmvem, Mengnjo J.,Tchamabe, Boris Chako,Takeshi OHBA,Tanyileke, Gregory,Hell, J. V.","A comparative review of petrogenetic processes beneath the Cameroon Volcanic Line: Geochemical constraints",,"Geoscience Frontiers",,"Vol. 6","No. 4","pp. 557-570",2015,
"Tetsuya Yokoyama,Yusuke Fukami,Wataru Okui,Nobuaki Itou,Yamazaki, Hiroshi","Nucleosynthetic strontium isotope anomalies in carbonaceous chondrites",,"Earth and Planetary Science Letters",,"Vol. 416",,"pp. 46-55",2015,