An interdisciplinary approach to sampling hard rock cores of the oceanic crust for microbiological and biogeochemical research

Brazelton, William J.; Cavazos, Oscar; Robare, Jordyn A.; Southam, Gordon; Suhonen, Johanna; Wang, Fengping; Lang, Susan Q.; McCaig, Andrew; Blum, Peter; Abe, Natsue; Coltat, Rémi; Deans, Jeremy R.; Dickerson, Kristin L.; Godard, Marguerite; John, Barbara E.; Klein, Frieder; Kuehn, Rebecca; Lin, Kuan-Yu; Lissenberg, C. Johan; Liu, Haiyang; Lopes, Ethan L.; Nozaka, Toshio; Parsons, Andrew J.; Pathak, Vamdev; Reagan, Mark K.; Wheat, C. Geoffrey

doi:10.5194/sd-35-159-2026

Articles | Volume 35, issue 2

https://doi.org/10.5194/sd-35-159-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/sd-35-159-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 35, issue 2

Technical development

|

11 Aug 2026

Technical development |

| 11 Aug 2026

An interdisciplinary approach to sampling hard rock cores of the oceanic crust for microbiological and biogeochemical research

William J. Brazelton, Oscar Cavazos, Jordyn A. Robare, Gordon Southam, Johanna Suhonen, Fengping Wang, Susan Q. Lang, Andrew McCaig, Peter Blum, Natsue Abe, Rémi Coltat, Jeremy R. Deans, Kristin L. Dickerson, Marguerite Godard, Barbara E. John, Frieder Klein, Rebecca Kuehn, Kuan-Yu Lin, C. Johan Lissenberg, Haiyang Liu, Ethan L. Lopes, Toshio Nozaka, Andrew J. Parsons, Vamdev Pathak, Mark K. Reagan, and C. Geoffrey Wheat

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Short summary

A workflow for sampling hard rock cores for microbiological research was developed and optimized during International Ocean Discovery Program (IODP) Expedition 399. These procedures and protocols were adapted from previous expeditions and further optimized for handling large numbers of hard rock samples. The workflow is also intended to facilitate interdisciplinary collaborations so as to maximize the scientific value of each sample for the whole scientific team.


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