Geological map
桐生及足利地域の地質(5 万分の 1 地質図幅)
"Kiryu and Ashikaga" District. Quadrangle Series, 1:50,000
関連論文・出版物(Related papers and publications)
地質図(Geological map)
伊藤 剛・高橋雅紀・山元孝広・水野清秀,2022.桐生及足利地域の地質.地域地質研究報告(5 万分の 1 地質図幅),産総研地質調査総合センター,101p.[Ito, T., Takahashi, M., Yamamoto, T. and Mizuno, K., 2022. Geology of the Kiryu and Ashikaga District. Quadrangle Series, 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract)] link (Geological Survey of Japan), link (PDF, normal ver. ca. 148Mb), link (PDF, light ver., ca. 9.7Mb), link (Geological map, Jpg)
論文(Article)
Ito, T., 2019. A report of Permian, Triassic, and Jurassic radiolarian occurrences from the Ashio terrane in the Hachioji Hills, eastern Gunma Prefecture, central Japan. Bulletin of the Geological Survey of Japan, 70(1/2), 225–247. link (Geological Survey of Japan), link (J-Stage), link (PDF)
Ito, T., 2020a. A Cisuralian (early Permian) radiolarian assemblage and a new species of Latentibifistula Nazarov and Ormiston from central Japan. Revue de Micropaléontologie, 66, 100407. link (Elsevier)
Ito, T., 2020b. Radiolarian age of striped chert within the Jurassic accretionary complex of the Tamba-Mino-Ashio belt in the Ashikaga area, Tochigi Prefecture, central Japan. Bulletin of the Geological Survey of Japan, 71(4), 297–312. link (Geological Survey of Japan), link (J-Stage), link (PDF)
伊藤 剛,2021a.巻頭言:5万分の1地質図幅「桐生及足利」地域の足尾帯の地質.地質調査研究報告,72(4),191–200. [Ito, T., 2021a. Preface: Special issue on geology of the Ashio belt of the Kiryu and Ashikaga District (Quadrangle series 1:50,000). Bulletin of the Geological Survey of Japan, 72(4), 191–200. (in Japanese with English abstract)] link (Geological Survey of Japan), link (J-Stage), link (PDF)
伊藤 剛,2021b.足尾山地のジュラ紀付加体の地質と対比:5万分の1地質図幅「桐生及足利」地域の検討.地質調査研究報告,72(4),201–285. [Ito, T., 2021b. Geology and correlation of Jurassic accretionary complex in the Ashio Mountains, central Japan: Investigation on the Kiryu and Ashikaga District (Quadrangle series 1:50,000). Bulletin of the Geological Survey of Japan, 72(4), 201–285. (in Japanese with English abstract)] link (Geological Survey of Japan), link (J-Stage), link (PDF)
Ito, T., 2021c. Radiolarians from Jurassic accretionary complex of the Ashio belt in the Kiryu and Ashikaga District (Quadrangle series 1:50,000), central Japan. Bulletin of the Geological Survey of Japan, 72(4), 287–324. link (Geological Survey of Japan), link (J-Stage), link (PDF)
Ito, T. and Ichizawa, Y., 2022a. Castellation incorporating geology and geography: Tenth–Sixteenth century castles on chert of a Jurassic accretionary complex in central Japan. Geoheritage, 14, Article number:17. link (Springer)
伊藤 剛・草野有紀,2021.足尾山地のジュラ紀付加体大間々コンプレックスに含まれる玄武岩類の地球化学的特徴.地質調査研究報告,72(4), 371–382. [Ito, T. and Kusano, Y., 2021. Geochemical characteristics of basaltic rocks from the Omama Complex of Jurassic accretionary complex in the Ashio Mountains, central Japan. Bulletin of the Geological Survey of Japan, 72(4), 371–381. (in Japanese with English abstract)] link (Geological Survey of Japan), link (J-Stage), link (PDF)
伊藤 剛・中村佳博,2021.栃木県足利市名草に分布する足利岩体の黒雲母花崗閃緑岩及び接触変成岩.地質調査研究報告,72(4), 383–396. [Ito, T. and Nakamura, Y., 2021. Biotite granodiorite of the Ashikaga Body and contact metamorphic rock in Nagusa, Ashikaga City, Tochigi Prefecture, central Japan. Bulletin of the Geological Survey of Japan, 72(4), 383–396. (in Japanese with English abstract)] link (Geological Survey of Japan), link (J-Stage), link (PDF)
Ito, T., Nakamura, K., Hinohara, T., and Kurihara, T., 2021a. Occurrence report of Triassic and Jurassic radiolarians from the Jurassic accretionary complexes of the Ashio belt in eastern Mt. Narukami, Ashio Mountains, central Japan. Bulletin of the Geological Survey of Japan, 72, 345–358. link (Geological Survey of Japan), link (J-Stage), link (PDF)
伊藤 剛・鈴木紀毅・指田勝男,2021b.足尾山地のジュラ紀付加体大間々コンプレックスから産出した放散虫及び有孔虫.地質調査研究報告,72(4), 359–370. [Ito, T., Suzuki, N., and Sashida, K., 2021b. Radiolarians and foraminifers from the Omama Complex of Jurassic accretionary complex in the Ashio Mountains, central Japan. Bulletin of the Geological Survey of Japan, 72(4), 359–370. (in Japanese with English abstract)] link (Geological Survey of Japan), link (J-Stage), link (PDF)
Muto, S. and Ito, T., 2021. Conodont fossils from the Kiryu and Ashikaga District (Quadrangle series 1:50,000), central Japan with emphasis on the reexamination of “Carboniferous” conodonts from the Ashio Belt. Bulletin of the Geological Survey of Japan, 72(4), 325–344. link (Geological Survey of Japan), link (J-Stage), link (PDF)
伊藤 剛,2022a.巡検案内書:足尾山地南西部「桐生及足利」地域のジュラ紀付加体.地質調査研究報告,73(4),143–192. [Ito, T., 2022a. Field excursion guide: Jurassic accretionary complex in the Kiryu and Ashikaga District, southwestern Ashio Mountains, central Japan. Bulletin of the Geological Survey of Japan, 73(4), 143–192. (in Japanese with English abstract)].link (Geological Survey of Japan), link (J-Stage), link (PDF)
伊藤 剛,2023a.栃木県足利市の浅間山のチャートから産出した三畳紀放散虫化石.栃木県立博物館研究紀要―自然―,no. 40,7–13. [Ito, T., 2023. Triassic radiolarians from chert of Mt. Sengen in Ashikaga City, Tochigi Prefecture, central Japan. Bulletin of Tochigi Prefectural Museum ―Natural History―, no. 40, 7–13. (in Japanese with English abstract)].
記事・解説(Report, Comment)
伊藤 剛,2021d.鳴石:猿が運んだチャート巨礫.GSJ地質ニュース ,10巻,9月号,218‒220頁 [Ito, T., 2021d. Narushi: A chert boulder carried by wild monkeys. GSJ Chishitsu News, 10(9), 218‒220] link (Geological Survey of Japan), link (pdf)
伊藤 剛,2021e.―螺旋状に配列した歯を持つヘリコプリオン―足尾山地における産出地点をめぐって.GSJ地質ニュース ,10巻,11月号,276‒281頁 [Ito, T., 2021e. ―Helicoprion having spirally-arranged tooth― The occurrence site in the Ashio Mountains, central Japan. GSJ Chishitsu News, 10(11), 276‒281] link (Geological Survey of Japan), link (pdf)
伊藤 剛・市澤泰峰,2022b.地質学からみた城郭:足尾山地南西部,5万分の1地質図幅「桐生及足利」の例.GSJ地質ニュース ,11巻,5月号,119‒126頁 [Ito, T., and Ichizawa, Y., 2022b. Castle from geological view: An example of the Geological map of the Kiryu and Ashikaga District (Quadrangle series 1:50,000) in southwestern Ashio Mountains, central Japan. GSJ Chishitsu News, 11(5), 119‒126] link (Geological Survey of Japan), link (pdf)
伊藤 剛,2022b.5万分の1地質図幅「桐生及足利」の出版.月刊測量,72(8),56.
伊藤 剛,2023b.チャートが生み出した足利の地形:足尾山地南西部「桐生及足利」地域で観察できる地層と岩石.GSJ地質ニュース ,12巻,2月号,41‒46頁 [Ito, T., 2023b. Geography of Ashikaga originated from chert: Strata and rocks observable in the Kiryu and Ashikaga District in southwestern Ashio Mountains, central Japan. GSJ Chishitsu News, 12(2), 41‒46] link (Geological Survey of Japan), link (pdf)
学会発表(Presentation)
伊藤 剛,2017.群馬県東部八王子丘陵の足尾テレーンから産出したペルム紀放散虫.日本地球惑星連合大会 (幕張,千葉),ポスター
伊藤 剛,2018.栃木県足利地域の足尾テレーンの岩相及び対比.日本地質学会第125年学術大会 (札幌,北海道),ポスター
伊藤 剛,2019.栃木県足利地域にみられるストライプチャートの放散虫年代.2018年度微古生物学リファレンスセンター研究集会つくば大会 (MRC 2019 in Tsukuba) (つくば,茨城),ポスター
伊藤 剛,2020.群馬県東部八王子丘陵のチャートセクションから産出したペルム紀シスウラリアン世放散虫化石.日本古生物学会第169回例会 (駒場,東京),ポスター
伊藤 剛,2020.New tectonostratigraphic unit of the Ashio terrane in the Ashio Mountains, central Japan.日本地球惑星連合大会 (幕張,千葉),ポスター
伊藤 剛・市澤泰峰,2021.足尾山地南西部「桐生及足利」地域のジュラ紀付加体の上に築かれた城郭.日本地質学会第128年学術大会 (名古屋),ポスター
伊藤 剛・市澤泰峰,2022.地質と城郭:足尾山地ジュラ紀付加体の例.日本地質学会第129年学術大会 (東京・早稲田),口頭