Djado Basin
glacial unconformity
Hirnantian glaciation
inner ice sheet
north Gondwana
sandstone ridge networks
[SDU.ENVI] Sciences of the Universe/Continental interfaces, environment
[SDE.MCG] Environmental Sciences/Global Changes
[SDU.STU.TE] Sciences of the Universe/Earth Sciences/Tectonics
[SDE.MCG.SIC] Environmental Sciences/Global Changes/domain_sde.mcg.sic
[SDE.MCG.CG] Environmental Sciences/Global Changes/domain_sde.mcg.cg