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Scientific Drilling The open-access ICDP and IODP journal
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SD | Articles | Volume 28
Sci. Dril., 28, 43–48, 2020
https://doi.org/10.5194/sd-28-43-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Sci. Dril., 28, 43–48, 2020
https://doi.org/10.5194/sd-28-43-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Technical development 01 Dec 2020

Technical development | 01 Dec 2020

A new high-temperature borehole fluid sampler: the Multi-Temperature Fluid Sampler

C. Geoffrey Wheat et al.

Cited articles

Becker, K., Davis, E. E., Spiess, F. N., and Demoustier, C. P.: Temperature and video logs from the upper oceanic crust, Holes 504B and 896A, Costa Rica Rift flank: implications for the permeability of upper oceanic crust, Earth Planet. Sci. Lett., 222, 881–896, https://doi.org/10.1016/j.epsl.2004.03.033, 2004. 
Clarke, A.: The thermal limits to life on Earth, Int. J. Astrobiol., 13, 141–154, https://doi.org/10.1017/S1473550413000438, 2014. 
de Ronde, C. E. J., Humphris, S. E., Höfig, T. W., and the Expedition 376 Scientists: Brothers Arc Flux, Proc. IODP, 376, International Ocean Discovery Program, College Station, TX, USA, https://doi.org/10.14379/iodp.proc.376.2019, 2019. 
D'Hondt, S., Inagaki, F., Orcutt, B. N., and Hinrichs, K. U.: IODP Advances in the understanding of subsurface seafloor life, Oceanography, 32, 198–207, https://doi.org/10.5670/oceanog.2019.146, 2019. 
Edwards, K. J., Becker, K., and Colwell, F.: The deep, dark energy biosphere: intraterrestrial life on earth, Annu. Rev. Earth Planet. Sc., 40, 551–568, https://doi.org/10.1146/annurev-earth-042711-105500, 2012. 
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Short summary
Temperatures of boreholes rise with depth with some reaching ~ 200 °C at their base. Water is found in the deep warm crust where it is altered, providing a potential habitat for microbial life. To advance studies on the Earth's crust, we developed a simple water sampler that is triggered mechanically at temperatures from 80 to 180 °C using shape memory alloys. Laboratory and deep-sea tests were conducted, but hole conditions did not allow its use on IODP Exp. 385T. The sampler is ready for use.
Temperatures of boreholes rise with depth with some reaching ~ 200 °C at their base. Water is...
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