K-Ar dates measured in the geochronology laboratory of Yamagata University : Daitodake, Senoharayama, Yamagata Kamurodake, Minamiomoshiroyama, Koazumadake, and some volcanic rocks in the Banji-iwa Volcanic Rocks, northeast Japan arc

[Amano 1980] Amano, K.(1980): Geology of Ou Backbone Ranges in Miyagi and Yamagata prefectures, Northeast Honshu, Japan, Tohoku Univ. Inst. Geol. Pal., Contr. 81,1-56. (in Japanese with English abstract)

[Honda and Tamiya 2016] Honda, Y. and Tamiya, R. (2016): Quaternary Volcanoes, in) Explanatory text of 1:100,000 geological map of Yamagata Prefecture, ed. by Applied Geological Society of Yamagata, Yamagata Univ. Press, pp. 41-45. (in Japanese)

[Imai et al. 1995] Imai, N., Terashima, S., Itoh, S. and Ando, A.(1995):1994 compilation values for GSJ reference samples, "Igneous rock series”, Geochem. Jour., 29, 91-95.

[Ishii 1998MS] Ishii, M.(1998MS): K-Ar dating of volcanic rocks from Kamurodake, Senoharayama, Daitodake, Koazumadake, and Omoshiroyama volcanoes, on the boundary of Yamagata and Miyagi prefectures, Master thesis of Yamagata University, 27 p. (in Japanese with English abstract)

[Ishii and Saito 1997] Ishii, M. and Saito, K.(1997): A K-Ar age study of Shirataka volcano, Yamagata Prefecture, Bull. Yamagata Univ. Nat. Sci., 14, 99-108. (in Japanese with English abstract)

[Iwata and Takaoka 2019] Iwata, N. and Takaoka, N. (2019): Unpublished K- Ar dates measured in the geochronology laboratory of Yamagata University - Rocks from Myojinyama in the Mukaimachi caldera, northeastern Yamagata Prefecture, Bull. Yamagata Univ. Nat. Sci.,19,1- 6.

[Iwata et al. 2019] Iwata, N., Hashimoto, T. and Saito, K. (2019): Unpublished K-Ar dates measured in the geochronology laboratory of Yamagata University - Rocks from the Nanatsumori volcano, Miyagi Prefecture, Bull. Yamagata Univ. Nat. Sci.,19, 7-13.

[Iwata et al. 2020] Iwata, N., Numakunai, M., Ishii, M. and Saito, K. (2020): Unpublished K-Ar dates measured in the geochronology laboratory of Yamagata University - Rocks from Omoshiroyama and Gantoyama on the Yamagata-Miyagi prefectural border, Bull. Yamagata Univ. Nat. Sci.,19,1-9.

[Mimura 2001] Mimura, K. (2001):K-Ar dating of Nanatsumori volcanic rock, Kamurodake and Aoso Volcanoes along the Quaternary volcanic front of northeast Japan, Bull. Geol. Surv. Japan, 52, 309-313. (in Japanese with English abstract)

[Numakunai 1994MS] Numakunai, M.(1994MS): Growth history of the southern Zao Volcanoes based on the K-Ar dating results and volcanic activities of the Zao Volcanoes region, Master thesis of Yamagata University, 61 p. (in Japanese with English abstract)

[Ozawa et al. 1987] Ozawa, A., Mimura, K., Kubo, K., Hiroshima, T. and Murata, Y.(1987): Geological map 1:200,000 series, NJ-54-21 Sendai, Geol. Surv. Japan,1 sheet.

[Saito and Kamei 1995] Saito, K. and Kamei, T.(1995): K-Ar ages of Murayama-Hayama volcano, Northeast Japan, Bui. Volcanol. Soc. Japan, 40, 99-102. (in Japanese)

[Steiger and Jager, 1977] Steiger, R. H. and Jager, E.(1977): Subcommission on geochronology: Convention on the use of decay constants in geo- and cosmo-chronology, Earth Planet. Sci. Lett., 36, 359-362.

[Takaoka et al. 1989] Takaoka, N., Konno, K., Oba, Y. and Konda, T.(1989): K- Ar dating of lavas from Zao Volcano, North-Eastern Japan, Jour. Geol. Soc. Japan, 95,157-170. (in Japanese with English Abstract)

[Yamamoto and Ishikawa 2006] Yamamoto, H. and Ishikawa, K. (2006): Geology and petrology of the Banji-iwa volcanic rocks, Northeast Honshu arc, Japan, Japanese Mag. Mineral. Petrol. Sci., 35, 53-69. (in Japanese with English abstract)