A basin in upper Precambrian quartzite. Mookra Towers, South Australia.
PhotoID325
A basin in upper Precambrian quartzite. Mookra Towers, South Australia.
PhotoID325
Photograph: Jim Talbot
A basin in upper Precambrian quartzite. Mookra Towers, South Australia.
PhotoID325
A basin in upper Precambrian quartzite. Mookra Towers, South Australia.
PhotoID325
Photograph: Jim Talbot