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Ohta, Y. 1995: Arctic: Historical outline. Special lecture at INSROP symposium Tokyo '95, Program 14-15Teben’kov, A. M., Gee, D. G., Krasil’ščikov, A. A., Ohta, Y. & Balašov, Yu. A. 1995: Precambrian domainswithin the Svalbard Caledonides. In Glebovitsky V. A. & Kotov, A. B. (eds), Precambrian of Europe:stratigraphy, structure, evolution and mineralization, 9th Meeting of the Association of European GeologicalSociety, Sept. 1995, St. Petersburg, 118Ohta, Y., Groenewald, P. B. & Grantham, G. H. 1995: Nature Environment maps of western Dronning MaudLand from 00:33' W to 06. 00'E, East Antarctica. VIIthe International Symposium on Antarctic Earth Sciences,Sept. 1995 at Siena, Italy, p. 284Balašov, Ju. A., Teben’kov, A. M., Ohta, Y., Larionov, A. N., Sirotkin, A. N., Gannibal, L. F. & Ryungenen, G.I. 1995: Grenvillian U-Pb zircon ages of quartz porphyry and rhyolite clasts in a metaconglomerate atVimsodden, southwestern Spitsbergen. Polar Research 14 (3), 291-301Krasil’ščikov. A. A., Kubanskij, A. P. & Ohta, Y. 1995: Surface magnetic anomaly study on the eastern part ofthe Forlandsundet Graben. Polar Reaearch 14(1), p. 55-68.Teben’kov, A. M., Gee, D. G., Krasil’ščikov, A. A., Peucat, J. J. Ohta, Y. & Balashov, Yu. A. 1995:Precambrian domains within the Svalbard Caledonides. In: Glebovitsky, V. A. & Kotov, A. B. (eds),Precambrian of Europe: Stratigraphy, structure, Evolution and Mineralization, MAEGS 9, 1995 Sept. St.Petersburg, p. 118-119, Russian Academy of Science, Institute of Precambrian Geology & Geochronology(abstr)Ohta, Y. 1996: General review of the recent Arctic research. Kyokuchi No. 63, 9-14Ohta, Y. 1996: Arctic: historical outline. Proceeding of IST'95, INSROP Symposium, Tokyo, Oct. 1995, 37-38Teben’kov, A. M., Ohta, Y., Balashov, Ju. A. and Shirotkin, A. N. 1996: Newtontoppen granitoid rocks, theirgeology, chemistry and Rb-Sr age. Polar Research 15-(1), 67-80Balašov, Yu. A., Peucat, J-J., Teben'kov, A. M., Ohta, Y., Larionov, A. N., Sirotkin, A. N & Bjornerud, M.1996: Rb-Sr whole rock and U-Pb zircon datings of the granitic-gabbroic rocks from the Skålfjellet Subgroup,southwest Spitsbergen. Polar Research 15 (2), 167-181Balašov, Yu. A., Peucat, J-J., Teben’kov, A. M., Ohta, Y., Larionov, A. N., & Sirotkin, A. N. 1996: AdditionalRb-Sr and single-grain zircon datings of Caledonian granitoid rocks from Albert I Land, northwestSpitsbergen. Polar research 15 (2), 153-165Maher, H. D. Jr., Bergh, S., Braathen, A. & Ohta, Y. 1996: Svartfjella, Eidembukta, and DaudmannsoddenLineament: Tertiary orogen-parallel motion in the crystalline hinterland of Spitsbergen's fold-thrust belt.Tectonics 16 (1), 88-106Krasil’ščikov, A. A., Teben’kov, A. M., Gee, D. G. & Ohta, Y. 1997: Tectonic evolution of northwestern high ofBarents-Kara platform. EUROPROBE TIMPEBAR workshop, St. Petersburg, Feb. 13-17. 27-28Ohta, Y. 1997: ANIAN. Wyprawy Geografiezne na Spitsbergen, UMCS, Lublin, 37-60Ohta, Y. 1997: Historia nazwy “Anian”. Wyprawy Geograpiezne na Spitsbergen, UMCS, Lublin, 61-68Ohta, Y., Krasil’ščikov, A. A. & Teben’kov, A. M. 1997: Precambrian and Caledonian events in Svalbard,northwestern edge of the Eurasian plate: A review in a regional context of the North Atlantic and Arctic Ocean.Proc. 30 th Intern. Congr. Vol. 17, Pt. 1, 27-42.Ohta, Y. & Larionov, A. N. 1998: Grenvillian single-grain zircon Pb age of a granitic rock from the southernisland of Hesteskoholmen, Liefdefjorden, northwestern Spitsbergen, Svalbard. Polar Research 17(2), 147-154.Ohta, Y., Lepvrier, C. & Thiedig, F. 2000: Devonian-Carboniferous slivers within the basement area of northeastOscar II Land, Spitsbergen. Polar Research 19(2), p. 217-226.Ohta, Y. 2001: Geological History of the Arctic. Actas del II simposio Internacional, Artico-Anta’rtico: PolosOpuestos. Instituto Antartico Cjileno 1998. Univ. de Magallanes, Punta Arenas. p. 81-85.Ohta, Y., Larionov, A. N., Teben’kov, A. M., Lepvrier, C., Maluski, H., Lange, M. & Hellebrandt, B. 2002:Single-zircon Pb-evaporation and 40 Ar/ 39 Ar dating of the metamorphic and granitic rocks in north-westSpitsbergen. Polar Research 21(1), 73-89.Ohta, Y., Larionov, A. N. & Teben’kov, A. M. 2003: Single-grain zircon dating of the metamorphic and graniticrocks from the Biscayarhalvøya-Holtedahlfonna zone, north-west Spitsbergen. Polar Research 22(2), 247-265.GEOLOGICAL MAPS AND MAP DESCRIPTIONSSaito, M. and Ohta, M. 1959: Geological map of Japan, scale 1:50, 000, OTOSHIBETSU map sheet, with theexplanatory text. Geol. Survey of Hokkaido, p. 1-41 (in Japanese with English abstract)Doi, S., Kanayama, T. and Ohta, Y. 1960: Geological map of Japan, scale 1:50, 000, NIUPU map sheet, with theexplanatory text. Geol. Survey of Hokkaido, p. 1-37 (in Japanese with English abstract)Sako, S., Doi, S. and Ohta, Y. 1960: Geological map of Japan, scale 1:50, 000, SANRU map sheet, with theexplanatory text. Geol. Survey of Hokkaido, p. 1-33. (in Japanese with English abstract)