Northwestern Kyushu Obsidian

• Overview
  Suda, Yoshimitsu, Hiroshi Kawamichi, and Masaki Katata (2025) Standardization of obsidian reference samples in northwestern Kyushu using wavelength-dispersive X-ray fluorescence analysis. Quarterly Archaeology 172: 18–21 (in Japanese). [Japanese title: 隅田祥光・川道寛・片多雅樹（2025）波長分散型蛍光X線分析による西北九州の黒曜石基準試料の標準化に向けた取り組み．季刊考古学，第172号，18–21頁．] 🔗

• Hario Island source
  Suda, Yoshimitsu, Fumika Hirao, Hiroki Matsukawa, Hiroshi Kawamichi, and Yuji Yanagita (2025) Systematization of provenance analysis methods for archaeological obsidian using wavelength-dispersive and energy-dispersive XRF: A case study of the Harioshima (Hario Island) source, Sasebo, Japan. Palaeolithic Kyushu 29: 9–18 (in Japanese). [Japanese title: 隅田祥光・平尾文佳・松川広樹・川道寛・柳田裕三（2025）波長分散型XRFとエネルギー分散型XRFを利用した黒曜石製石器原産地判別法の体系化—佐世保市針尾島の黒曜石原産地を例に—．九州旧石器，第29号，9–18頁．] 🔗

• Mukyudo and Osaki Peninsula sources
  Suda, Yoshimitsu, Sakura Sakamoto, Hiroshi Kawamichi, Masaki Katata, Yuji Yanagita, and Atsushi Kawauchino (2025) Chemical composition of obsidian pebbles in volcanic rocks and revision of provenance discrimination diagrams: A case study of the Mushikui Cave area and the Ohsaki Peninsula, Sasebo, Japan. Research Report of the Nagasaki Prefectural Cultural Heritage Center 15 (March 2025) (in Japanese). [Japanese title: 隅田祥光・坂本桜・川道寛・片多雅樹・栁田裕三・川内野篤（2025）佐世保市無窮洞周辺と川棚町大崎半島の火砕岩に含まれる黒曜石礫の化学組成と原産地判別図の更新．長崎県埋蔵文化財センター研究紀要，第15号．] 🔗

• Osaki Peninsula source
  Suda, Yoshimitsu, and Yuki Fujitsuka (2022) Geology and geochemistry of obsidian and Arita rhyolites in Osaki Peninsula, northwestern Kyushu, Japan. Natural Resource Environment and Humans 12: 21–36 (in Japanese). [Japanese title: 隅田祥光・藤塚礼（2022）長崎県川棚町大崎半島に産する有田流紋岩類中の黒曜石の産状と全岩化学組成．『資源環境と人類』第12号，21–36頁．] 🔗

• Kamedake source
  Suda, Yoshimitsu, Hiroshi Kawamichi, Ayano Nakamura, Sakura Sakamoto, Tomoki Iwasa, and Susumu Kakubuchi (2023) Identification of rhyolitic magma activities related to the formation of Kamedake obsidian in Saikai City, northwestern Kyushu, Japan. Natural Resource Environment and Humans 13: 17–33 (in Japanese). [Japanese title: 隅田祥光・川道寛・中村彩野・坂本桜・岩佐朋樹・角縁進（2023）西北九州長崎県西海市に産する亀岳系黒曜石をもたらした流紋岩質マグマ活動の特定．『資源環境と人類』第13号，17–33頁．] 🔗

• Hoshika Peninsula source
  Suda, Yoshimitsu, and Yuki Fujitsuka (2022) Geology and geochemistry of obsidian and Arita rhyolites in Osaki Peninsula, northwestern Kyushu, Japan. Natural Resource Environment and Humans 12: 21–36 (in Japanese). [Japanese title: 隅田祥光・藤塚礼（2022）長崎県川棚町大崎半島に産する有田流紋岩類中の黒曜石の産状と全岩化学組成．『資源環境と人類』第12号，21–36頁．] 🔗

Iki Island Obsidian

• Suda, Yoshimitsu, and Yui Namba (2026) A methodology for provenance analysis of archaeological obsidian based on quantitative EDXRF: A case study of the Oki-Dogo and Iki Island sources, southwest Japan. Natural Resource Environment and Humans 16: 23–41 (in Japanese). [Japanese title: 隅田祥光・南波柚衣（2026）エネルギー分散型XRFを用いた定量分析による黒曜石製石器の原産地推定法—隠岐島後および壱岐原産地を事例として—．『資源環境と人類』第16号，23–41頁．] 🔗

• Suda, Yoshimitsu, Atsushi Kamei, Hiroshi Kawamichi, Minoru Oyokawa, Yosuke Inata, and Shota Awano (2018) Geochemical characteristics and discrimination of obsidian sources in the Iki and Oki-Dogo Islands on the southern margin of the Japan Sea. Palaeolithic Research 14: 91–101 (in Japanese). [Japanese title: 隅田祥光・亀井淳志・川道寛・及川稔・稲田陽介・粟野翔太（2018）長崎県壱岐と島根県隠岐島後の黒曜石の化学的特徴の類似性と原産地判別法についての検討．『旧石器研究』第14号，91–101頁．] 🔗

Hokkaido Obsidian

Suda, Yoshimitsu, Kazutaka Shimada, Keiji Wada, Masayuki Mukai, Tatsuro Adachi, and Nobuyuki Ikeya (2025) Non-destructive method of archaeological obsidian provenance analysis using EDXRF: A case study of obsidian in Hokkaido, northern Japan. Journal of Archaeological Science: Reports 66: 105287. 🔗

Suda, Yoshimitsu, Keiji Wada, and Masayuki Mukai (2023) Current status and issues of provenance analysis of archaeological obsidian: A case study of obsidian sources in Hokkaido, northern Japan. Special Issue of Quarterly Archaeology: The present state of Hokkaido archaeology—Progress in the 21st century— 42: 24–27 (in Japanese). [Japanese title: 隅田祥光・和田恵治・向井正幸（2023）黒曜石製石器の原産地判別法の現状と課題—北海道内の黒曜石原産地を例に—．別冊季刊考古学 北海道考古学の現在—今世紀における進展—第42号，24–27頁．] 🔗

Suda, Yoshimitsu, Andrei V. Grebennikov, Yaroslav V. Kuzmin, Michael D. Glascock, Keiji Wada, Jeffrey R. Ferguson, Jong Chan Kim, Vladimir K. Popov, Sergei V. Rasskazov, Tatyana A. Yasnygina, Noriyuki Saito, Hironobu Takehara, Tristan Carter, Zsolt Kasztovszky, Katalin T. Biró, and Akira Ono (2018) Inter-laboratory validation of the WDXRF, EDXRF, ICP–MS, NAA and PGAA analytical techniques and geochemical characterisation of obsidian sources in northeast Hokkaido Island, Japan. Journal of Archaeological Science: Reports 17: 379–392. 🔗

Shinshu (Kirigamine) Obsidian

Suda, Yoshimitsu, Tatsuro Adachi, Kazutaka Shimada, and Yasuhito Osanai (2021) Archaeological significance and chemical characterization of the obsidian source in Kirigamine, central Japan: Methodology for provenance analysis of obsidian artefacts using XRF and LA–ICP–MS. Journal of Archaeological Science 129: 105377. 🔗

Suda, Yoshimitsu, and Minoru Oyokawa (2019) Chemical discrimination of obsidian source and provenance of obsidian artefacts in the Kirigamine area, Central Highland, Japan. Natural Resource Environment and Humans 9: 1–14 (in Japanese). [Japanese title: 隅田祥光・及川稔（2019）長野県霧ヶ峰地域における黒曜石原産地の定量分析値に基づく化学的区分と判別法の検討．『資源環境と人類』第9号，1–14頁．] 🔗

Suda, Yoshimitsu, Miho Tsuchiya, Jun Hashizume, and Minoru Oyokawa (2018) Chemical discrimination of obsidian sources in the Kirigamine area and provenance analysis of obsidian artefacts from the Hiroppara prehistoric sites I and II, central Japan. Quaternary International 468: 72–83. 🔗

Tsuchiya, Miho, and Yoshimitsu Suda (2018) Update on the provenance analysis of obsidian artefacts from Hiroppara prehistoric sites I and II, central Japan. Natural Resource Environment and Humans 8: 31–42 (in Japanese). [Japanese title: 土屋美穂・隅田祥光（2018）広原遺跡群第I遺跡・第II遺跡から出土の黒曜石製石器の原産地解析：判別プログラムの修正と判別結果．『資源環境と人類』第8号，31–42頁．] 🔗

Suda, Yoshimitsu, and Miho Tsuchiya (2016) The provenance of obsidian artifacts from the Hiroppara site group (Kirigamine, central Japan). In: Akira Ono, Kazutaka Shimada, Jun Hashizume, Akihiro Yoshida, and Fujio Kumon (eds.), An Anthropography of the Prehistoric Central Highlands of Japan: The 2011–2013 Excavation Seasons at the Hiroppara Site Group, Nagano Prefecture. Materials and Reports 1, Center for Obsidian and Lithic Studies, Meiji University (in Japanese). [Japanese title: 隅田祥光・土屋美穂（2016）長野県霧ヶ峰地域における広原遺跡群出土の黒曜石製石器の原産地解析．小野昭・島田和高・橋詰潤・吉田明弘・公文富士夫編『長野県中部高地における先史時代人類誌—広原遺跡群第1次～第3次調査報告書—』明治大学黒耀石研究センター資料・報告集1．] 🔗

Shimada, Kazutaka, Jun Hashizume, Susumu Aida, Yoshikatsu Nakamura, Tsutomu Soda, Yoshimitsu Suda, Minoru Oyokawa, and Miho Tsuchiya (2016) Excavations at the Hiroppara site group. In: Akira Ono, Kazutaka Shimada, Jun Hashizume, Akihiro Yoshida, and Fujio Kumon (eds.), An Anthropography of the Prehistoric Central Highlands of Japan: The 2011–2013 Excavation Seasons at the Hiroppara Site Group, Nagano Prefecture. Materials and Reports 1, Center for Obsidian and Lithic Studies, Meiji University (in Japanese). [Japanese title: 島田和高・橋詰潤・会田進・中村由克・早田勉・隅田祥光・及川穣・土屋美穂（2016）広原遺跡群の発掘調査．小野昭・島田和高・橋詰潤・吉田明弘・公文富士夫編『長野県中部高地における先史時代人類誌—広原遺跡群第1次～第3次調査報告書—』明治大学黒耀石研究センター資料・報告集1．] 🔗

Suda, Yoshimitsu, and Miho Tsuchiya (2015) Locating and geochemically characterizing obsidian sources in the Kirigamine region for the provenance studies of obsidian artefacts from the Hiroppara prehistoric sites, central Japan. Natural Resource Environment and Humans 5: 65–82 (in Japanese). [Japanese title: 隅田祥光・土屋美穂（2015）長野県霧ヶ峰地域における黒曜石原産地試料の元素分析と広原遺跡群の黒曜石製石器の原産地解析（予報）．『資源環境と人類』第5号，65–82頁．] 🔗

Yugamine (Gero) Obsidian

Hirai, Yoshitoshi, and Yoshimitsu Suda (2023) Occurrence of outcrops and whole-rock compositions of Gero stone based on the stone quality classification. Natural Resource Environment and Humans 13: 113–122 (in Japanese). [Japanese title: 平井義敏・隅田祥光（2023）下呂石の石質分類からみた原産地の産状と全岩化学組成．『資源環境と人類』第13号，113–122頁．] 🔗