Annual Meeting of the Geological Society of Japan

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The 97th Annual Meeting(1990)

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39 Diatom biostratigraphy of the Neogene system in Mukawa-Shizunai area to the west of the axial zone of Hokkaido

Tsumoru Sagayama, Koichi Hoyanagi

Article type: Article
Pages 170-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_170

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40 Tertiary volcanism of the Matumae Penisula in Southwest Hokkaido

Kazuhiro Yamamoto

Article type: Article
Pages 171-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_171

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41 Miocene volcanism and K-Ar ages in Tappi area of the Tsugaru Peninsula

Naoki Watanabe, Tetsumaru Itaya

Article type: Article
Pages 172-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_172

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42 Microfossil stratigraphy of the Neogene formations in the Joban coal-field : (1)Lower Miocene

Yutaka Aita, Yojiro Taketani, Toshio Ono, Hisatake Okada, Shiro Hasega ...

Article type: Article
Pages 173-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_173

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43 Microfossil stratigraphy of the Neogene formations in the Joban coal-field : (2)Middle Miocene to Pliocene

Yojiro Taketani, Yutaka Aita, Toshio Ono, Hisatake Okada, Shiro Hasega ...

Article type: Article
Pages 174-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_174

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44 Neogene Benthic Foraminifera in Joban District, Northeast Japan

Naoki Nemoto, Shiro Hasegawa, Yojiro Taketani, Yutaka Aita, Toshio Ono ...

Article type: Article
Pages 175-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_175

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45 Peculiar aspects of Neogene tectonics in the Kanto region

Masaki Takahashi

Article type: Article
Pages 176-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_176

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46 Form of the "Shirasuna Cauldron" discovered in the northern part of Gunma Prefecture, and its significance

Shohachi Nakamura, Yusuke Yajima, Masayoshi Nakamura

Article type: Article
Pages 177-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_177

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47 Study on correlation of the pyroclastic key beds in the Miura Group in the Miura and Boso Peninsula

Atsushi Urabe, Masahide Akasaka, Takashi Mitsunashi

Article type: Article
Pages 178-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_178

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48 Notes on the straligraphy of the Miura Group in the Boso and Miura Peninsulas

Takashi MITSUNASHI, Atsushi URABE

Article type: Article
Pages 179-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_179

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49 Debris flow deposits in the late Pliocene Ikego Formation of the Miura Group in the Miura Peninsula

Tetsuto Eto

Article type: Article
Pages 180-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_180

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50 K-Ar and FT ages of acidic tuffs in the east area of the Tanzawa Mountains

Kanae Mizukami, Yoji Kizawa, Nozomi Mizutani

Article type: Article
Pages 181-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_181

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52 The Miocene Lithostratigraphy in the northern part of the Niu Mountains, Fukui Prefecture, Central Japan

Tomio Nakagawa, Norihiro Tahara

Article type: Article
Pages 182-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_182

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53 Stratigraphy based on the calcareous nannofossil of Fujikawa Group distributed in eastern shore of Fuji River

Kenji Ito, Kazuo Amano

Article type: Article
Pages 183-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_183

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54 Plate Subduction along the Suruga Trough and the Geology of the South Fossa Magna

Nobuaki Niitsuma

Article type: Article
Pages 184-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_184

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55 K-Ar age of Aosawa Volcanic rocks, Yamagata Prefecture : Preliminary report

Junichi Ohki, Tetsumaru Itaya

Article type: Article
Pages 185-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_185

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56 Neogene System in the Northern Aizu Basin, Northeast Japan

Masayoshi Nishizaka, Takahisa Yoshimura

Article type: Article
Pages 186-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_186

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57 Lisofacies and volcanic ash stratigraphy of the Neogene in the northen part of the Uonuma Hill, Niigata prefecture

Masahiro Nomura, Iwao Kobayashi, Hiroshi Iwamoto, Masaaki Tateishi

Article type: Article
Pages 187-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_187

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58 Miocene plant fossils from Jonai Group in the southern part of Uonuma district, Niigata Prefecture, central Japan

Shuichi SHIRAISHI, Yukihiko KAMOI

Article type: Article
Pages 188-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_188

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59 Pliocene molluscan assemblages from Matsunoyama Town, Niigata Prefecture

Kazutaka Amano, Osamu Hirata, Saburo Kanno

Article type: Article
Pages 189-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_189

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60 The Neogene System in the Otari-Sasagamine Area, extended over the Niigata and Nagano Prefectures

Satoshi Kakizaki

Article type: Article
Pages 190-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_190

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61 Foraminiferal biostratigraphy of a Neogene-Quaternary sequence in Tomikura, Nagano Prefecture

Keiji Takeuchi

Article type: Article
Pages 191-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_191

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62 "Mangrove-swamplike" sediments in the Kurosedani Formation, Toyama prefecture

Tohru Yamanoi, Karyu Tsuda

Article type: Article
Pages 192-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_192

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63 Sedimentary environment of the middle Miocene Akakura Sandstone in the Noto Peninsula

Yasushi Nakashima

Article type: Article
Pages 193-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_193

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64 Geology of National Tateyama Children's Center area : particularly on the Jozen Toge formation

Hirotaka Ui, Hiromi Kuroda

Article type: Article
Pages 194-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_194

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65 Geochemistry of early Miocene igneous rocks in the Arashimadake region, Fukui prefecture, central Japan

Nobuyoshi Tomioka, Hiroo Kagami, Akira Ishiwatari

Article type: Article
Pages 195-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_195

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66 Fossil Pollen Assemblages of the Mizunami Group and the Chaange of Palaeoenvironment

Masahiko Konomatsu

Article type: Article
Pages 196-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_196

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67 Middle Miocene volcanism and sedimentation in the eastern San-in district

Toshio Matsumoto

Article type: Article
Pages 197-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_197

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68 Neogene Foraminiferal Assemblages in Dogo, Oki Islands, Southwest Japan

Koji Seto, Hirofumi Yamasaki

Article type: Article
Pages 198-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_198

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69 Palaeo-depth change in the Neogene period of the Oki-Dogo Island, Southwest Japan

Hirofumi Yamasaki, Koji Seto

Article type: Article
Pages 199-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_199

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70 Tertiary molluscn fauna of the Chugoku district, West Japan

Tetsuro Ueda

Article type: Article
Pages 200-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_200

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71 Stratigraphy and sedimentary environments of the southwestern part of the Paleogene Muro Group, Shimanto Supergroup, Kii Peninsula

Yoshinori MIYACHI

Article type: Article
Pages 201-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_201

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73 Geology and radiolarians from Shimanto Group, Nakamura - Sukumo area, Kochi Prefecture.

Hiroshi Yamamoto, Makoto Okamura

Article type: Article
Pages 202-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_202

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74 Fission track ages of some pyroclastic rocks from the Tertiary formations in northwestern Kyushu, Japan

Mutsumi Miyachi, Harutaka Sakai

Article type: Article
Pages 203-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_203

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75 Subaqueous pyroclastic flow deposits in the Taishu Group, Tsushima

Harutaka SAKAI, Kazuhiro KAWAHARA

Article type: Article
Pages 204-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_204

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76 Nannoplankton biostratigraphy and stratigraphic correlation of Paleogene sequences distributed in the western Kyushu Island

Hisatake Okada

Article type: Article
Pages 205-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_205

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77 Sedimentation and tectonics of accretionary complex : an example of the Hyuga Group in the Shimanto Belt

Katsumi Kimura

Article type: Article
Pages 206-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_206

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78 Fast drifting velocity of Southwest Japan at around 15 Ma

Takaaki MATSUDA, Yo-ichiro OTOFUJI, Tetsumaru ITAYA

Article type: Article
Pages 207-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_207

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79 Developments of Miocene sedimentary basins in reference to Japan Sea opening

Azuma IIJIMA, Ryuji TADA

Article type: Article
Pages 208-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_208

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80 Paleobotanical events and paleoclimatic changes from temporal and spatial distribution of the Paleogene floras in Japan

Masanori Ozaki

Article type: Article
Pages 209-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_209

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[title in Japanese]

Article type: Appendix
Pages 211-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_211

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81 Dosimetric age determination of terrigenous clastic sediments

Akira TAKEUCHI

Article type: Article
Pages 212-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_212

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82 Palynological study of marine terrace doposits of Okushiri Island on the west of Hokkaido

Syuryo Segawa, Fusa Hoshino

Article type: Article
Pages 213-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_213

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83 Stratigraphy and age of the Nigorikawa tephra, southwest Hokkaido

Yoshihiro Ganzawa, Seiji Yanai, Yasuharu Komori

Article type: Article
Pages 214-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_214

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84 Dinoflagellate cyst fossil assemblage from Holocene sediments of Lake Kasumigaura

Natsuhiko Kojima, Yoshiro Inouchi

Article type: Article
Pages 215-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_215

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85 A geomagnetic transition from reversed polarity to normal one, 1,000,000 years ago

Satoshi Nomura

Article type: Article
Pages 216-
Published: September 25, 1990
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DOIhttps://doi.org/10.14863/geosocabst.1990.0_216

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86 Correlation of the "Crystal Ash" by the properties of ferromagnetic mineral and plagioclase

Nobuyuki Aida, Naoto Saito, Masahiro Kobayashi, Kanto Ash Layers Rese ...

Article type: Article
Pages 217-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_217

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87 Geology of the Western hills of the Kwanto Plain : (1) Fission track age of the Kazusa Group

Satoshi Takegoshi, Toshio Muramatsu, Hiroshi Kurakawa, Susumu Osawa, Y ...

Article type: Article
Pages 218-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_218

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88 Geology of the Western hills of the Kwanto Plain : (2) The trace fossils of the Bushi Formation, the Kazusa Group

Kiichi Obata, Masae Omori, Yoshiaki Ishida, Satoshi Takegoshi, Susumu ...

Article type: Article
Pages 219-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_219

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89 Geology of the Western hills of the Kwanto Plain : (1) Megaplant fossils in the Lower Pleistocene deposits (Kazusa Group), Kazi Hill

Susumu Osawa, Satoshi Takegoshi

Article type: Article
Pages 220-
Published: September 25, 1990
Released on J-STAGE: August 25, 2017

DOIhttps://doi.org/10.14863/geosocabst.1990.0_220

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