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Gyalay, Szilárd and Nimmo, F. and Plesa, Ana-Catalina and Wieczorek, M. (2020) Constraints on Thermal History of Mars From Depth of Pore Closure Below InSight. Geophysical Research Letters, 47 (16). Wiley. doi: 10.1029/2020GL088653. ISSN 0094-8276.
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Official URL: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2020GL088653
Abstract
Planetary crusts undergo viscous closure of pores at depth; if the thickness of this porous layer can be measured, constraints on crustal thermal evolution can be derived. We apply a pore closure model developed for the Moon to Mars and take into account the geological processes that may alter the depth of this transition region. If the 8–11 km deep discontinuity in seismic wave speed detected by the InSight lander marks the base of the porous layer, the heat flux at the time the porosity was created must have exceed 60 mW m−2, probably indicating a time prior to 4 Ga.
| Item URL in elib: | https://elib.dlr.de/137549/ | |||||||||||||||
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| Document Type: | Article | |||||||||||||||
| Title: | Constraints on Thermal History of Mars From Depth of Pore Closure Below InSight | |||||||||||||||
| Authors: |
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| Date: | 2020 | |||||||||||||||
| Journal or Publication Title: | Geophysical Research Letters | |||||||||||||||
| Refereed publication: | Yes | |||||||||||||||
| Open Access: | No | |||||||||||||||
| Gold Open Access: | No | |||||||||||||||
| In SCOPUS: | Yes | |||||||||||||||
| In ISI Web of Science: | Yes | |||||||||||||||
| Volume: | 47 | |||||||||||||||
| DOI: | 10.1029/2020GL088653 | |||||||||||||||
| Publisher: | Wiley | |||||||||||||||
| ISSN: | 0094-8276 | |||||||||||||||
| Status: | Published | |||||||||||||||
| Keywords: | Mars, InSight, pore closure, surface heat flow | |||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||||||||
| HGF - Program: | Space | |||||||||||||||
| HGF - Program Themes: | Space Exploration | |||||||||||||||
| DLR - Research area: | Raumfahrt | |||||||||||||||
| DLR - Program: | R EW - Space Exploration | |||||||||||||||
| DLR - Research theme (Project): | R - Exploration of the Solar System, R - Project InSight - HP3 | |||||||||||||||
| Location: | Berlin-Adlershof | |||||||||||||||
| Institutes and Institutions: | Institute of Planetary Research > Planetary Physics | |||||||||||||||
| Deposited By: | Plesa, Dr. Ana-Catalina | |||||||||||||||
| Deposited On: | 17 Nov 2020 10:00 | |||||||||||||||
| Last Modified: | 17 Nov 2020 10:00 |
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