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@article{Johnson:2018:10.1029/2018JE005765,
author = {Johnson, BC and Andrews-Hanna, JC and Collins, G and Freed, AM and Melosh, HJ and Zuber, MT},
doi = {10.1029/2018JE005765},
journal = {Journal of Geophysical Research: Planets},
pages = {3035--3050},
title = {Controls on the formation of lunar multiring basins},
url = {http://dx.doi.org/10.1029/2018JE005765},
volume = {123},
year = {2018}
}

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TY  - JOUR
AB  - Multiring basins dominate the crustal structure, tectonics, and stratigraphy of the Moon. Understanding how these basins form is crucial for understanding the evolution of ancient planetary crusts. To understand how preimpact thermal structure and crustal thickness affect the formation of multiring basins, we simulate the formation of lunar basins and their rings under a range of target and impactor conditions. We find that ring locations, spacing, and offsets are sensitive to lunar thermal gradient (strength of the lithosphere), temperature of the deep lunar mantle (strength of the asthenosphere), and preimpact crustal thickness. We also explore the effect of impactor size on the formation of basin rings and reproduce the observed transition from peakring basins to multiring basins and reproduced many observed aspects of ring spacing and location. Our results are in broad agreement with the ring tectonic theory for the formation of basin rings and also suggest that ring tectonic theory applies to the rim scarp of smaller peakring basins.
AU  - Johnson,BC
AU  - Andrews-Hanna,JC
AU  - Collins,G
AU  - Freed,AM
AU  - Melosh,HJ
AU  - Zuber,MT
DO  - 10.1029/2018JE005765
EP  - 3050
PY  - 2018///
SN  - 2169-9097
SP  - 3035
TI  - Controls on the formation of lunar multiring basins
T2  - Journal of Geophysical Research: Planets
UR  - http://dx.doi.org/10.1029/2018JE005765
UR  - http://hdl.handle.net/10044/1/65812
VL  - 123
ER  -

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Professor Gareth Collins

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