Neoproterozoic paragneis of the Arverne domain near Nontron, Dordogne. The light-coloured graywacke layer is boudinaged and dips steeply to the NNE.... 30 KB (4,000 words) - 08:24, 27 June 2022 |
Neoproterozoic paragneis of the Arverne domain near Nontron, Dordogne. The light-coloured graywacke layer is boudinaged and dips steeply to the NNE.... 30 KB (4,000 words) - 08:24, 27 June 2022 |