@article{fdi:010077841,
  title = {{M}agma ascent at floor-fractured craters diagnoses the lithospheric stress state on the {M}oon},
  author = {{M}ichaut, {C}. and {P}inel, {V}irginie and {M}accaferri, {F}.},
  editor = {},
  language = {{ENG}},
  abstract = {{O}n the {M}oon, floor-fractured craters ({FFC}s) present evidence of horizontal crater-centred magmatic intrusions. {C}rater floor uplift and moat formation indicate that these sill intrusions occur at shallow depths (< 10 km). {W}hile a recent study has demonstrated that magma ascent below {FFC}s and mare-filled craters was triggered by crater unloading, the mechanism leading to the emplacement of shallow sills is still poorly understood. {H}ere we show that the local stress field due to crater unloading is also responsible for the horizontalisation of the magma flow leading to sill-like intrusions. {O}n {E}arth, caldera formation has been shown to similarly affect magma trajectories, inducing the formation of a sill-shaped storage zone. {M}agma ascent to shallow depths below {FFC}s was however made possible because of a regional tensional stress caused by mare loading on the lunar lithosphere. {W}e show that the tensional stress generated by elastic lithosphere deformation caused by mare loading combined to the local crater stress field can explain the distribution of {FFC}s on the {M}oon, with the smallest {FFC}s being located over a larger distance range from the mare. {I}n particular, {FFC}s distribution around {O}ceanus {P}rocellarum is consistent with an average load thickness of similar to 1 km. {T}his study suggests that magma trajectory in the crust of terrestrial planets can provide a diagnostic of the lithospheric structure and state of stress.},
  keywords = {magma intrusion ; crustal stress field ; magma path ; floor-fractured ; crater ; lunar mare},
  booktitle = {},
  journal = {{E}arth and {P}lanetary {S}cience {L}etters},
  volume = {530},
  numero = {},
  pages = {art. 115889 [14p.]},
  ISSN = {0012-821{X}},
  year = {2020},
  DOI = {10.1016/j.epsl.2019.115889},
  URL = {https://www.documentation.ird.fr/hor/fdi:010077841},
}