Richat Structure Ground-Level Geology

At ground level, the Richat Structure reveals itself as a barren landscape of exposed sedimentary and igneous rock formations. The concentric ridges, so dr

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At ground level, the Richat Structure reveals itself as a barren landscape of exposed sedimentary and igneous rock formations. The concentric ridges, so dramatic from above, appear as low hills and shallow valleys on the surface. Geological surveys have found Ordovician-aged quartzite in the center surrounded by progressively younger rock rings.

This archaeological photograph documents important features of ancient sites and artifacts. Captured by Clemens Schmillen, this image provides visual evidence relevant to ongoing archaeological research and theoretical debates. Browse related photographs, explore the connected archaeological sites, and learn about the theories this image relates to in our comprehensive gallery collection.