Rock surface at Lake Otjikoto near Tsumeb Namibia

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Cavities in dolomitic rocks form when water percolates through fractures and carbonic acid in the water dissolves the rock.

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Size: 2912px × 4368px
Location: Lake Otjikoto near Tsumeb Namibia
Photo credit: © Armands Pharyos / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: africa, african, aged, carbon, carbonates, close, closeup, crystallized, dissolution, dissolved, dolomite, fractures, geology, holes, inorganic, namibia, namibian, pattern, rock, rough, sides, sinkhole, structure, surface, top