Jomon period in the Ishikari depression: diatom fossil, pollen fossil and archaeology - Special lecture meeting in 2022 - [article]
Tsumoru Sagayama, Fusa Hoshino and Tomoe Kudo
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 1−11
Recent seismic activity in and around Hokkaido, Japan (2018-2021) [abstract]
Tetsuo Takanami
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 13−25
The geology and pollen stratigraphy of Quaternary formations in the northern part of Kitahirosima urban area and its eastern adjacent area, central Hokkaido [abstract]
Takao Oka, Fusa Hoshino, Akira Matsui, Tatsuo Sekine, Hiroshi Yonemichi
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 27−54
A case study on the relation between culture and building stones in Hokkaido, especially culture-geological investigations in the Otaru district [abstract]
Yoshiaki Matsuda
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 1−12
Exhumation of the high P/T Sanbagawa metamorphic rocks: Mechanism and process [abstract]
Kazuo Kiminami
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 13−33
Diatom assemblage and volcanic ash composition of the Karurusu Clay Bed in the Noboribetsu, Hokkaido, Japan [abstract]
Tsumoru Sagayama, Ikuo Izima and Masanobu Arakawa
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 35−38
Diatom biostratigraphy of the Isoya Formation, Neogene, in Isoya region, northern part of southwestern Hokkaido, Japan [abstract]
Makoto Sugawara and Tsumoru Sagayama
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 39−46
Appearance of the Paleo-Lake Kutchan deposits on the slope of Takasago, Kutchan-cho, Hokkaido, Japan [abstract]
Takashi Inoue, Tatsuo Sekine, Satoshi Okamura, Ryo Odagiri and Tsumoru Sagayama
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 47−56
Late Pleistocene to Holocene lacustrine deposits and ash fall (Ds-Oh) derived from the Daisetsu-Ohachidaira Caldera around the lower Yanbetsu River, northern coastal area of Lake Shikaribetsu in the eastern Hokkaido [abstract]
Oka and Jun Ohnishi
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 57−80
Recent seismic activity in and around Hokkaido, Japan (2018-2021) [abstract]
Tetsuo Takanami
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 81−84
History of the floods on the southern shore of Lake Shikotsu [abstract]
Seigo Miyasaka
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 85−91
A plausible tectonic model linking the opening of the Sea of Japan with high-Mg andesite magmatism in the Miocene Setouchi volcanic belt, SW Japan [abstract]
Kazuo Kiminami
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1−12
Analysis of volcanic ash in the Bunbegoe observation well and investigation of buried landforms at the Ishikari Bay area, Hokkaido, Japan [abstract]
Tsumoru Sagayama, Yoshiki Fujiwara, Yukio Izima and Satoshi Okamura
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 13−18
Stratigraphy of the Pleistocene SCH boring core drilled in the Sapporo fun, Hokkaido, Japan [abstract]
Tsumoru Sagayama , Akira Sato, Yukio Izima and Satoshi Okamura
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 19−23
Serpentine precipitation and low-temperature serpentinization around the Kamuikotan tectonic belt, Hokkaido [abstract]
Takayuki Katoh, Yukihiro Mizuochi, Atusi Ninomiya, Ikuo Okamot, Tatsuya Yajima, Koki Saito and Masao Sorai
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 25−48
The lake formed by the damming of Osaru river related to the formation of Usu stratovolcano in the late stage of the Last glacial period [abstract]
Takao Oka, Fusa Hoshino, Tatsuo Sekine, Hirosi Yonemichi, Tsutomu Kondou and Mikio Wakamatsu
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 49−70
Investigation of the Paleo-Lake Kutchan (part 2): 14C dating, volcanic ash, pollen and diatom analyses of the late Pleistocene Makkaribetsu Formation in the Kutchan, Hokkaido, Japan [abstract]
Tsumoru Sagayama, Fusa Hoshino , Yukio Izima , Reisuke Kondo, Tatsuo Sekine , Ryo Odagiri , Yosuke Miyairi and Yusuke Yokoyama
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 71−80
Investigation of the Paleo-Lake Kutchan: Diatom and pollen analyses of the late Pleistocene sediments in the Kutchan, Hokkaido, Japan [abstract]
Tsumoru Sagayama,Tatsuo Sekine and Fusa Hoshino
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1−7
Stratigraphy of the upper Pleistocene to Holocene boring in the Kita Ward, Sapporo, Japan; Geologic time of the Sapporo fan deposits, and sea level of the MIS 5a [abstract]
Tsumoru Sagayama, Yukio Izima, Satoshi Okamura and Yoshitaka Sakata
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 9−18
Visiting Deccan Trap -Report of travelling in India in March, 2020
Hiromitsu Yamagishi
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 19−26
Visiting Geoparks on Jeju Island, Korea-Participating the 12th Asian Regional Conference of IAEG, 2019
Hiromitsu Yamagishi and Dou Jie
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 27−34
Relationship between Holocene sea level change and salinity index obtained by diatom analysis, in the uppermost Pleistocene to Holocene deposits [abstract]
Tsumoru Sagayama
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1−9
Was the Eocene magmatism in Hokkaido-Sakhalin caused by ridge subduction? [abstract]
Kazuo Kiminami and Yasuo Ikeda
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 10−30
Neogene stratigraphy of the area along Toyohira River in Sapporo, volcanic activity of Mt. Moiwayama, and chronostratigraphic implications for the occurrence of fossil Sirenia in Kogane-yu site [abstract]
Takao Oka, Hitoshi Furusawa, Satoshi Okamura , Daisuke Aoyagi, and Kiyoyuki Shigeno
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 31−55
Sedimentary environment and stratigraphy of the late Pleistocene to Holocene of boring core drilled in the Higashi Ward of Sapporo, Hokkaido, Japan [abstract]
Tsumoru Sagayama, Akira Sato, Yukio Izima and Satoshi Okamura
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1−11
A conversion from sediment-starved to sediment-filled trench: An example from the Cretaceous Shimanto Belt [abstract]
Kazuo Kiminami
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 12−19
Late Cenozoic strata of the northern area of Makarov (Sirutori) in Sakhalin Island, the Russian Federation
Takao Oka
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 20−58
At launching of a new online journal General Geology
Jinichiro Maeda
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ i
Geologic age of the Chobushi Formation distributed in the northeast of the Yudonuma, eastern Hokkaido, Japan [abstract]
Tsumoru Sagayama
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・1−6
K–Ar whole-rock ages of high-Fe/Mg intrusive rocks from northern Hidaka magmatic belt, Hokkaido, Japan [abstract]
Jinichiro Maeda, Satoru Yoneyama, Shuhei Nakata, Takehiro Matsuda and Kohei Yamashita
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・7−14
Vertical tearing of subducting slabs [abstract]
Kazuo Kiminami
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 15−34
Visit for lost streams in Sapporo―“a City of Water”, Sapporo―
Seigo Miyasaka
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 35−45
Late Cenozoic strata of the western hills of Sumirnykh (Keton) area in Sakhalin Island, the Russian Federation
Takao Oka
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 46−70
* Jump to the top of each volume in the left pane.
General Geology Vol. 7 No. 1, Dec 25, 2023
General Geology Vol. 6 No. 1, Oct 30, 2022
General Geology Vol. 5 No. 1, Oct 20, 2021
General Geology Vol. 4 No. 1, Oct 20, 2020
General Geology Vol. 3 No. 1, Sep 20, 2019
・Volume 7, Number 1
・Volume 6, Number 1
・Volume 5, Number 1
・Volume 4, Number 1
・Volume 3, Number 1
・Volume 2, Number 1
・Volume 1, Number 1
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