The method has been proven robust for dating corals and larger rock formations in caves and has recently been adapted to date thin deposits of carbonate on rock art. (sciencemag.org)
Every now and then large rock formations rise from the flat landscape. (off-the-beaten-track.net)
Tonight, we'll rest in Huampochocha Tambo, in the heart of large rock formations near a lagoon. (activeadventures.com)