Welcome to the WEBPAGE of
YOSHIKAWA, T., Geological Survey of Japan

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

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

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

MAJOR WORKS
-----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)

Address

Geoinformation Service Center,
Geological Survey of Japan (GSJ),
National Institute of Advanced Industrial Science and Technology (AIST)
Central 7, Higashi 1-1-1, Tsukuba, Ibaraki, 305-8560 JAPAN
Phone :+81-29-861-2467
E-mail : Please combine "t-yoshikawa" and "@aist.go.jp".

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