Articles | Volume 35, issue 1
https://doi.org/10.5194/sd-35-119-2026
https://doi.org/10.5194/sd-35-119-2026
Technical development
 | 
10 Jun 2026
Technical development |  | 10 Jun 2026

Non-destructive core visualization using X-ray computed tomography scan and its implementation into the core workflow on D/V Chikyu

Hanaya Okuda, Charlotte Pizer, Mai-Linh Doan, and Michael Strasser

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Real-time unwrapping of 3D X-ray CT scans for visual core description
Mai-Linh Doan, Morgane Brunet, Charlotte Pizer, Hanaya Okuda, Yu-Chun Chang, Sara Satolli, Uisdean Nicholson, Yuzuru Yamamoto, Marianne Conin, Rina Fukuchi, Jamie Kirkpatrick, Sean Toczko, and the IODP Expedition 405 Scientists
Sci. Dril., 35, 55–60, https://doi.org/10.5194/sd-35-55-2026,https://doi.org/10.5194/sd-35-55-2026, 2026
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Cited articles

Boiger, R., Churakov, S. V., Llagaria, I. B., Kosakowski, G., Wüst, R., and Prasianakis, N. I.: Direct mineral content prediction from drill core images via transfer learning, Swiss. J. Geosci., 117, 8, https://doi.org/10.1186/s00015-024-00458-3, 2024. 
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Doan, M.-L., Brunet, M., Pizer, C., Okuda, H., Chang, Y.-C., Satolli, S., Nicholson, U., Yamamoto, Y., Conin, M., Fukuchi, R., Kirkpatrick, J., Toczko, S., and the IODP Expedition 405 Scientists: Real-time unwrapping of 3D X-ray CT scans for visual core description, Sci. Dril., 35, 55–60, https://doi.org/10.5194/sd-35-55-2026, 2026. 
Emmanouilidis, A., Messaris, G., Ntzanis, E., Zampakis, P., Prevedouros, I., Bassukas, D. A., and Avramidis, P.: CT scanning, X-ray fluorescence: Non-destructive techniques for the identification of sedimentary facies and structures, Revue de Micropaléontologie, 67, 100410, https://doi.org/10.1016/j.revmic.2020.100410, 2020. 
Gupta, L. P., Tanikawa, W., Hamada, Y., Hirose, T., Ahagon, N., Sugihara, T., Abe, N., Nomura, S., Masaki, Y., Wu, H. Y., Lin, W., Kinoshita, M., Yamada, Y., and NGHP Expedition 02 JAMSTEC Science Team: Examination of gas hydrate-bearing deep ocean sediments by X-ray Computed Tomography and verification of physical property measurements of sediments, Mar. Petro. Geol., 108, 239–248, https://doi.org/10.1016/j.marpetgeo.2018.05.033, 2019. 
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Short summary
X-ray computed tomography scans have been used to look inside drill cores without destroying them. On the drilling vessel Chikyu, drill cores are routinely scanned by X-ray computed tomography, but the usage of scan data has been limited on the vessel due to large data size, unfamiliar data format, etc. In this study, we designed a workflow that enables shipboard scientists to access and utilize the X-ray computed tomography data quickly for shipboard core handling.
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