YOSHIKAWA, T., Geological Survey of Japan, AIST

• The current affiliation: Director, Geoinformation Service Center
• Researcher of Geoinformation Research Institute (Field Geologist)

• Volcanostratigraphy (in Japan)
• Mainly of subaerial to submarine volcaniclastic rocks in Cretaceous to Neogene
• Member of Geological Mapping Project in GSJ

1. Northern Kanto District, central Japan
2. 1:50,000 Kanuma quadrangle area, Tochigi Pref.

-----All are written in Japanese with English abstract-----

1. Geology of the Kanmuriyama District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2015)
2. Geology of the Imajo District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2014)
3. Current advantage and disadvantage of the field survey technique using portable PC. J. Geol. Soc. Japan, vol. 118, no. 3, 184-189. (2012)
4. Geology of the Utsunomiya District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2010)
5. Age of the Miocene felsic volcanic rocks distributed in the northern part of Tochigi Prefecture, central Japan. J. Geol. Soc. Japan, vol.112, no.12, 760-769. (2006)
6. Paleoenvironmental change and age of the Miocene Kanomatazawa Formation in the Shiobara area, Tochigi Prefecture, central Japan. J. Geol. Soc. Japan, vol.111, no.1, 39-49. (2005)
7. Geology of the Ikuno District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2005)
8. Geology of the Ryouri District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2004)
9. Geology of the Suzumisaki, Noto-Iida and Horyuzan District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2002)
10. Geology of the Shiroumadake District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2002)
11. K-Ar ages of the Miocene volcanic rocks in the eastern margin of the Ashio Mountains, Tochigi Prefecture, central Japan. J. Geol. Soc. Japan, vol.107, no.1, 41-45. (2001)
12. Geology of the Matsunoyama Onsen District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (2000)
13. Geology and stratigraphy of Tertiary system in the Utsunomiya district, Tochigi Prefecture, central Japan. J. Geol. Soc. Japan, vol.104, no.5, 346-356. (1998)
14. Geology of the Osaka-Tonambu District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (1998)
15. The radiometric ages of Miocene volcanic rocks in the Nijo Group, southeastern Osaka. J. Geol. Soc. Japan, vol.103, no.10, 998-1001. (1997)
16. Geology of the Kariwano District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (1994)
17. Geology of the Sasayama District. Quadrangle Series, 1:50,000, Geol. Surv. Japan. (1993)
18. Stratigraphy and structure of the Lower Cretaceous Sasayama Group in the Sasayama area, Hyogo Prefecture, Southwest Japan. J. Geol. Soc. Japan, vol.99, no.1, 29-38. (1993)