Site map
Exhibitions

Professor:Reishi Takashima

Professor:Reishi Takashima

Associate Professor:Reishi Takashima

Research field

Geology & stratigraphy

Research Interests

  •  Cretaceous tephrochronology
  •  Cretaceous-Paleogene international stratigraphic correlations
  •  Mid-Cretaceous oceanic anoxic events
  •  Cretaceous tectonics and paleoenvironments

Papers

Selected papers
  1. Takashima, R., Hoshi, H., Wada, Y., Shinjoe, H., 2021. Identification of the source caldera for the Middle Miocene ash-flow tuffs in the Kii Peninsula based on apatite trace-element composition. Island Arc, in press.
  2. Maekawa, T., Komatsu, T., Shigeta, Y., Takashima, R., Yamaguchi, T., 2021. Carbon isotope chemostratigraphy and conodont biostratigraphy around the Smithian-Spathian boundary in the Panthalassan carbonate succession (SW Japan). Journal of Asian Earth Sciences, v. 295, https://doi.org/10.1016/j.jseaes.2020.104570.
  3. Takashima, R., Kusakawa, H., Kuwabara, S., Orihashi, Y., Nishi, H., Niwano, M., Yoshida, T., in press. Identification of the source caldera for a Pliocene ash-flow tuff in Northeast Japan based on apatite trace-element compositions and zircon U–Pb ages. Journal of Volcanology and Geothermal Research. https://doi.org/10.1016/j.jvolgeores.2020.106948
  1. Arimoto, J., Nishi, H., Kuroyanagi, A., Takashima, R., Matsui, H., Ikehara, M., 2020. Changes in upper ocean hydrography and productivity across the Middle Eocene Climatic Optimum: Local insights and global implications from the Northwest Altantic. Global Planetary Changes. https://doi.org/10.1016/j.gloplacha.2020.103258
  2. Shizuya, A., Oba, M., Ando, T., Ogata, Y., Takashima, R., Nishi, H., Komatsu, T., Nguyen, P. D., 2020. Variations in trace elements, isotopes, and organic geochemistry during the Hangenberg Crisis, Devonian-Carboniferous transition, northeastern Vietnam. The Island Arc, 2020; 29: e12337, DOI: 10.1111/iar.12337
  3. Takashima, R., Nishi, H., Yamanaka, T., Orihashi, Y., Tsujino, Y., Quidelleur, X., Hayashi, K., Sawada, K., Nakamura, H., Ando, T., 2019. Establishment of Upper Cretaceous bio- and carbon isotope stratigraphy in the northwest Pacific Ocean and radiometric ages around the Albian/Cenomanian, Coniacian/Santonian and Santonian/Campanian boundaries. Newsletters on Stratigraphy, DOI: 10.1127/nos/2019/0472.
  1. Kuwabara, S., Takashima, R. (corresponding author), Orihashi, Y., Nishi, H., Satoh, T., Hayashi, K., 2019. Preliminary tephrochronological study of the Yezo Group (uppermost Albian-basal Campanian) in north Japan. Cretaceous Research, v.109, https://doi.org/10.1016/j.cretres.2019.06.004.
  2. Koyasu, H., Nishi, H., Takashima, R., Suzuki, N., 2019. Cretaceous radiolarian biostratigraphy in the Yezo Group, Hokkaido, Northeast Japan. Newsletters on Stratigraphy, DOI: 10.1127/nos/2018/0357.
  3. Kuroyanagi, A., Toyofuku, T., Nagai, Y., Kimoto, K., Nishi, H., Takashima, R., Kawahata, H., 2019. Effect of Euxinic conditions on planktic foraminifers: culture experiments and implications for past and future environments. Paleoceanography and Paleoclimatology, DOI: 10.1029/2018PA003539.
  4. Komatsu, T., Urakawa, R., Inada, T., Yamauchi, K., Maekawa, T., Takashima, R., Williams, M., Nguyen, P. D., Doan, H. U., Nguyen, M. T., Niko, S., Tanaka, G., Yamaguchi, T., 2018. The Kellwasser events in the Upper Devonian Frasnian to Famennian transition in the Toc Tat Formation, northern Vietnam. The Island Arc, 2019;28:e12281. https://doi.org/10. 1111/iar.12281.
  5. Arimoto, J., Takashima, R., Nishi, H., Yamanaka, T., Orihashi, Y., Jo, S., Yamamoto, K., Umetsu, K., 2018. Constraining the depositional age of an Upper Cretaceous non-marine and shallow marine siliciclastic succession, Kuji Group, northeastern Japan, based on carbon isotope stratigraphy and U-Pb radiometric dating. Cretaceous Research, v. 92, 254-278.
  6. Takashima, R., Kuwabara, S., Sato, T., Takemura, K., Nishi, H., 2017. Utility of trace elements in apatite for discrimination and correlation of Quaternary ignimbrites and co-ignimbrite ashes, Japan. Quaternary Geochronology, v. 41, 151-162.
  7. Uchimura H., Nishi H., Takashima R., Kuroyanagi A., Yamamoto Y., Kutterolf Steffen．，2017．Distribution of Recent benthic foraminifera off western Costa Rica in the eastern equatorial Pacific Ocean. Paleontological Research, v. 21, 380-396.
  8. Gyawali B. R., Nishi H., Takashima R., Herrle J. O., Takayanagi H., Latil J-L., Iryu Y., 2017. Upper Albian–upper Turonian calcareous nannofossil biostratigraphy and chemostratigraphy in the Vocontian Basin, southeastern France. Newsletters on Stratigraphy, v. 50, 111-139.
  9. Matsui H., Nishi H., Kuroyanagi A., Hayashi H., Ikehara M., Takashima R., 2017. Vertical thermal gradient history in the eastern equatorial Pacific during the early to middle Miocene: implications for the equatorial thermocline development. Paleoceanography, v. 32, 729-743.
  10. Ando, T., Sawada, K., Okano, K., Takashima, R., Nishi, H., 2017. Marine primary producer community during the mid-Cretaceous oceanic anoxic events (OAEs) 1a, 1b and 1d in the Vocontian Basin (SE France) evaluated from triaromatic steroids in sediments. Organic Geochemisty, vol. 106, 13-24. DOI: 10.1016/j.orggeochem.2017.02.002.
  11. Ando, T., Sawada, K., Nakamura, H., Omatsu, K., Takashima, R., Nishi, H., 2017. Depositional environments and maturity evaluated by biomarker analyses of sediments deposited across the Cenomanian-Turonian boundary in the Yezo Group, Tomamae area, Hokkaido, Japan. The Island Arc, v. 26, e12178. DOI: 10.1111/iar.12178.
  12. Itoh, Y., Green, P. F., Takashima, R., Takemura, K., 2017. Fission Track Analysis and Trace-Element Compositions of Apatite for Thermo- and Tephrochronology of a Cretaceous Event Sedimentary Sequence on the East Asian Convergent Margin. Horizons in Earth Science Research. 17, p.197-224.
  13. Itoh, Y., Takano, O., Takashima, R., 2017. Tectonic synthesis: a plate reconstruction model of the NW Pacific region since 100 Ma. In Y. Itoh (Ed.), Dynamics of Arc Migration and Amalgamation - Architectural Examples from the NW Pacific Margin. Rijeka: InTech. http://dx.doi.org/10.5772/67358.
  14. Itoh, Y., Takashima, R., 2017. Cretaceous research: paleolatitudes and northward migration of crustal fragments in the NW Pacific inferred from paleomagnetic studies. In Y. Itoh (Ed.), Dynamics of Arc Migration and Amalgamation - Architectural Examples from the NW Pacific Margin. Rijeka: InTech. http://dx.doi.org/10.5772/67359
  15. Takashima, R., Nishi, H., Yoshida, T., 2017, Stratigraphic and Petrological Insights into the Late Jurassic–Early Cretaceous Tectonic Framework of the Northwest Pacific Margin. In Itoh, Y., Takano, O., Takashima, R., Nishi, H., Yoshida, T. (Eds.), Dynamics of Arc Migration and Amalgamation-Architectural Examples from the NW Pacific Margin. InTech, http://dx.doi.org/10.5772/64579.
  16. Komatsu, T., Takashima, R., Shigeta, Y., Maekawa, T., Tran H. D., Cong, T.F., Sakata, S., Dinhm H. D., Takahashi, O., 2016. Carbon isotopic excursions and detailed ammonoid and conodont biostratigraphies around Smithian-Spathian boundary in the Bac Thuy Formation, Vietnam. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 454, 65-74.
  17. Du Vivier, A. D. C., Selby, D., Condon, D. J., Takashima, R., Nishi, H., 2015. Pacific 187Os/188Os isotope and U-Pb geochronology: Synchroneity of global Os isotope change across OAE 2. Earth and Planetary Science Letters, v. 428, 204-216. DOI: 10.1016/j.epsl.2015.07.020.
  18. Matsui, H., Nishi, H., Takashima, R., Kuroyanagi, A., Ikehara, M., Takayanagi, H., Iryu, Y., 2016. Changes in the depth habitat of the Oligocene pkanktic foraminifera (Dentoglobigerina venezuelana) induced by thermocline deepening in the eastern equatorial Pacific. Paleoceanography, v. 31, p. 715-731.
  19. Matsuzaki, K. M., Suzuki, N., Nishi, H., Hayashi, H., Gyawali, B. R., Takashima, R., Ikehara, M., 2015. Early to Middle Pleistocene paleoceanographic history of shothern Japan based on radiolarian data from IODP Exp. 314/315 Sites C0001 and C0002. Marine Micropaleontology, v. 118, 17-33. DOI: 10.1016/j.marmicro.2015.05.001.
  20. Zagorsek, K., Takashima, R., Hirose, M., 2015. Palaeoenvironment of a monospecific association of a new bryozoan species, Schizoretepora tamagawaensis sp. N. (Phiidoloporidae, Briozoa), from the Miocene Tanosawa Formation, Northern Japan. Neues Jahrbuch Geologie Paläontologie Abhandlungen, v. 275, p. 115-123. DOI: 10.1127/njgpa/2015/0456.
  21. Matsuzaki, K. M., Nishi, H., Hayashi, H., Suzuki, N., Gyawali, B. R., Ikehara, M., Tanaka, T., Takashima, R., 2014. Radiolarian biostratigraphic scheme and stable oxygen isotope stratigraphy in southern Japan (IODP Expedition 315 Site C0001). Newsletters on Stratigraphy, vol. 47/1, p. 107–130.
  22. Matsuzaki, K. M., Suzuki, N., Nishi, H., Takashima, R., Kawate, Y., Sakai, T. 2014. Middle to Late Pleistocene radiolarian biostratigraphy in the water-mixed region of the Kuroshio and Oyashio currents, northeastern margin of Japan (JAMSTEC Hole 902-C9001C). Journal of Micropaleontology, v. 33, 205-222. DOI: 10.1144/jmpaleo2013-012.
  23. Matsuzaki, K. M., Nishi, H., Suzuki, N., Cortese, G., Eynaud, F., Takashima, R., Kawate, Y., Sakai, T. 2014. Paleoceanographic history of the Northwest Pacific Ocean over the past 740 kyr, discerned from radiolarian fauna. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 396: 26-40. doi: 10.1016/j.palaeo.2013.12.036.
  24. Matsuzaki, K. M., Nishi, H., Suzuki, N., Kawate, Y., Takashima, R., Sakai, T., 2014a. Cycladophora davisiana abundances as a paleoceanographic and stratigraphic tool in high latitude siliciceous sediments. Marine Micropaleontology, v. 106:1-9. doi: 10.1016/j.marmicro.2013.11.002.
  25. Komatsu, T., Kato, S., Hirata, K., Takashima, R., Ogata, Y., Oba, M., Naruse, H., Ta, O., Ngyuen, P. D., Dang, H. T., Nguyen, H. H., Sakata, S., Kaiho, K., Koenigshof, P., 2014. Devonian-Carboniferous transition containing a Hangenberg Black Shale environment in the Pho Han Formation on Cat Ba Island, northeastern Vietnam. Palaeogeography, Palaeoclimatology, Palaeoecology. DOI: 10.1016/j.palaeo.2014.03.021.
  26. Komatsu, T., Naruse, H., Shigeta, Y., Takashima, R., Maekawa, T., Dang, H. T., Dinh, T. C., Nguyen, P. D., Nguyen, H. H., Tanaka, G., Sone, M., 2014. Lower Triassic mixed carbonate and siliciclastic setting with Smithian-Spatian anoxic to dysoxic facies, An Chau basin, northeastern Vietnam. Sedimentary Geology, v. 300, 28-48.
  27. Dick, M. H., Komatsu, T., Takashima, R., Ostrovsky, A. N.,2014. A mid-Cretaceous (Albian–Cenomanian) shell-rubble bryozoan fauna from the Goshoura Group, Kyushu, Japan. Journal of Systematic Palaeontology. V. 12, p. 401-425. DOI:10.1080/14772019.2013.765926.
  28. Komatsu, T., Takashima, R., Naruse, H., Ta, H. P., Dang, T. H., Nguyen, D. P., Dinh, C. T., Ho, T. C., Tran T. V., Kato, S., Maekawa, T., Gatovsky, Y., 2012. Devonian-Carboniferous transition in the Pho Han Formation on Cat Ba Island, northeastern Vietnam. The Journal of the Geological Society of Japan, 118, 5-6.
  29. Quidelleur, X., Paquette,J. L., Fiet, N., Takashima, R., Tiepolo, M., Desmares, D., Nishi, H., Grosheny, D. 2011. New U-Pb (ID-TIMS and LA-ICPMS) and 40Ar/39Ar geochronological constraints of the Cretaceous geologic time scale calibration from Hokkaido (Japan). Chemical Geology, 286 72-83.
  30. Takashima, R., Nishi, H., Yamanaka, T., Tomosugi, T., Fernando, A. G., Tanabe, K., Moriya, K., Kawabe, F., Hayashi, K., 2011. Prevailing oxic environments in the Pacific Ocean during the mid-Cretaceous Oceanic Anoxic Event 2.　Nature Communications: 2-234 doi: 10.1038/ncomms1233.
  31. Takashima, R., Nishi, H., Yamanaka, T., Hayashi, K., Waseda, A., Obuse, A., Tomosugi, T., Deguchi, N., Mochizuki, S., 2010. High-resolution terrestrial carbon isotope and planktic foraminiferal records of the Upper Cenomanian to the Lower Campanian in the Northwest Pacific. Earth and Planetary Science Letters, vol. 289. 570-582.
  32. Fernando, A. G., Takashima, R., Nishi, H., Giraud, F., Okada, H., 2010. Calcareous nannofossil biostratigraphy of the Thomel Level (OAE in the Lambruisse section, Vocontian Basin, southeast France. Geobios, v. 43, 45-57.
  33. Takashima, R., Nishi, H., Hayashi, K., Okada, H., Kawahata, H., Yamanaka, T., Fernando, A. G., Mampuku, M., 2009. Litho-, bio- and chemostratigraphy across the Cenomanian/Turonian boundary (OAE in the Vocontian Basin of southeastern France. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 273, p. 61-74.
  34. Okano, K., Sawada, K., Takashma, R., Nishi, H., Okada, H., 2008. Further examples of archael-derived hydrocarbons in mid-Cretaceous Oceanic Anoxic Event (OAE) 1b sediments. Organic Geochemistry, v. 39. p. 1088-1091.
  35. Takashima, R., Dick, M. H., Nishi, H., Mawatari, S. F., Nojo, A., Hirose, M., Gautam, P., Nakamura, K., Tanaka, T., 2008. Geology and sedimentary environments of the Pleistocene Setana Formation in the Kuromatsunai District, Southwestern Hokkaido, Japan. In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 75-82.
  36. Gautam, P., Takashima, R., Dick, M.H., Kanamatsu, T., Rijal, M.L., Nishi H. and Mawatari, S.F., 2008. Rockmagnetic characterization of the Setana and Chiraigawa Formations in SW Hokkaido (Soebetsu River, Kuromatsunai). In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 101-107.
  37. Ishimura T., Dick, M.H., Takashima, R., Hirose, M., Gautam, P., Nishi, H. and Tsunogai, U., 2008. Experimental study of the use of the stable isotopic composition of calcareous microfossils in shallow marine sediments for reconstructing paleoenvironment, and a comparison with the MART index. In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 109-114.
  38. Komatsu, T., Yoshihara, K., Dick M. H., Takashima, R., Ostrovsky, A., and Nishi, H., 2008. Habitats of Bivalves in the Lower-Cretaceous Aptian Tanohata and Aptian to Albian Hiraiga Formations, Iwate Prefecture, Northeastern Japan. In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 163-170.
  39. Dick, M. H., Hirose, M., Takashima, R., Ishimura, T., Nishi, H. and Mawatari, S. F., 2008. Application of MART Analysis to Infer Paleoseasonality in a Pleistocene Shallow Marine Benthic Environment. In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 83-91.
  40. Dick, M. H., Takashima, R., Komatsu, T., Kaneko, N., Mawatari, S. F., 2008. Overview of Pleistocene Bryozoans in Japan. In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 93-99.
  41. Okano, K., Sawada, K., Takashima, R., Nishi, H. and Okada, H., 2008. Depositional Environments Revealed From Biomarkers in Sediments Deposited During the Mid-Cretaceous Oceanic Anoxic Events (OAEs) in the Vocontian Basin (SE France). In H. Okada, S. F. Mawatari, N. Suzuki and P. Gautam (eds.), Origin and Evolution of Natural Diversity, Proc. Int. Symp. “The Origin and Evolution of Natural Diversity”, 1-5 October 2007, Sapporro, pp. 233-238.
  42. Yamamura, M., Kawahata, H., Matsumoto, K., Takashima, R., Nishi, H., 2007, Paleoceanography of the northwestern Pacific during the Albian. Palaeogeography, Palaeoclimatology, Palaeoecology, v. 254, p. 477-491.
  43. Takashima, R., Sano, S., Iba, Y., Nishi, H., 2007. The first Pacific record of the Late Aptian warming. Journal of the Geological Society, London, v. 164, p. 333-339.
  44. Takashima, R., Coccioni, R., Nishi, H. and Hayashi, K., 2007. Mid-Cretaceous Oceanic Anoxic Events recorded in SE France and central Italy. Journal of the Geological Society of Japan vol. 113, p. iii-iv.
  45. Ostrovsky, A. N., Takashima, R., Dick, M. H., Grischenko, A. V., Nishi, H., Mawatari, S. F., 2006, First finding of a Cretaceous cheilostome bryozoan from Hokkaido, Japan. Cretaceous Research, vol. 27, p. 859-862.
  46. Takashima, R., Nishi, H., Yoshida, T., 2006, Late Jurassic-Early Cretaceous intra-arc sedimentation and volcanism linked to plate motion change in northern Japan. Geological Magazine, v. 143, p. 753-770.
  47. Takashima, R., Nishi, H., Huber, B. T., Leckie, M. R., 2006. Greenhouse World and the Mesozoic Ocean. Oceanography, v. 19, 82-92.
  48. Takashima, R., Kawabe, F., Nishi, H., Moriya, K., Wani, R. and Ando, H., 2004, Geology and stratigraphy of forearc basin sediments in Hokkaido, Japan: Cretaceous environmental events on the Northwest Pacific margin. Cretaceous Research, v. 25, p. 365-390.
  49. Kawabe, F., Takashima, R., Wani, R., Moriya, K. and Nishi, H., 2003, Biostratigraphy of the Upper Albian to Lower Cenomanian in Oyubari, Hokkaido, Japan: implications for the Cretaceous biochronology in the North Pacific. Acta Geologica Polonica, v. 53, p. 81-91.
  50. Nishi, H., Takashima, R., Hatsugai, T., Saito, T., Moriya, K., Ennyu, A. and Sakai, T., 2003. Planktonic foraminiferal zonation in the Cretaceous Yezo Group, Central Hokkaido, Japan. Journal of Asian Earth Sciences, v. 21, p. 867-886.
  51. Ando, A., Kakegawa, T., Takashima, R., Saito, T., 2003. Stratigraphic carbon isotope fluctuations of detrital woody materials during the Aptian Stage in Hokkaido, Japan: Comprehensive δ13C data from four sections of the Ashibetsu area. Journal of Asian Earth Sciences, v. 21, p. 835-847.
  52. Takashima, R., Hiroshi, N., Yoshida, T., 2002. Geology, petrology and tectonic setting of the Late Jurassic ophiolite in Hokkaido, Japan. Journal of Asian Earth Sciences, v. 21, p. 197-215.
  53. Ando, A., Kakegawa, T., Takashima, R., Saito, T., 2002. A new perspective on Aptian carbon isotope stratigraphy: Constraints from δ13C records of terrestrial organic matter. Geology, v. 30, p. 227-230.