Articles | Volume 12, issue 2
The Cryosphere, 12, 491–504, 2018
https://doi.org/10.5194/tc-12-491-2018
The Cryosphere, 12, 491–504, 2018
https://doi.org/10.5194/tc-12-491-2018

Research article 08 Feb 2018

Research article | 08 Feb 2018

Crustal heat production and estimate of terrestrial heat flow in central East Antarctica, with implications for thermal input to the East Antarctic ice sheet

John W. Goodge

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Cited articles

Aitken, A. R. A., Young, D. A., Ferraccioli, F., Betts, P. G., Greenbaum, J. S., Richter, T. G., Roberts, J. L., Blankenship, D. D., and Siegert, M. J.: The subglacial geology of Wilkes Land, East Antarctica, Geophys. Res. Lett., 41, 2390–2400, https://doi.org/10.1002/2014GL059405, 2014.
An, M., Wiens, D.A., Zhao, Y., Feng, M., Nyblade, A., Kanao, M., Li, Y., Maggi, A., and Lèvêque, J.-J.: Temperature, lithosphere-asthenosphere boundary, and heat flux beneath the Antarctic Plate inferred from seismic velocities, J. Geophys. Res.-Sol. Ea., 120, 8720–8742, https://doi.org/10.1002/2015JB011917, 2015.
Artemieva, I. M., Thybo, H., Jakobsen, K., Sørensen, N. K., and Nielsen, L. S. K.: Heat production in granitic rocks: Global analysis based on a new data compilation GRANITE2017, Earth Sci. Rev., 172, 1–26, 2017.
Begeman, C. B., Tulaczyk, S. M., and Fisher, A. T.: Spatially variable geothermal heat flux in West Antarctica: Evidence and implications, Geophys. Res. Lett., 44, 9823–9832, https://doi.org/10.1002/2017GL075579, 2017.
Bo, S., Siegert, M. J., Mudd, S. M., Sugden, D., Fujita, S., Xiangbin, C., Yunyun, J., Xueyuan, T., and Yuansheng, L.: The Gamburtsev Mountains and the origin and early evolution of the Antarctic Ice Sheet, Nature, 459, 690–693, https://doi.org/10.1038/nature08024, 2009.
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This paper presents geochemical data from a suite of glacially eroded igneous rock clasts sampled from Antarctica to estimate both crustal heat production and heat flow for the continental interior. The results indicate that the interior of East Antarctica is underlain by Proterozoic continental lithosphere of average surface heat flow, providing first-order constraints on both geodynamic history and ice-sheet stability.