Tafoni (singular: tafone) are cavities that develop in granular rock.
Although various definitions[example needed] can be found[by whom?] in the scientific literature, tafoni are commonly defined as small (less than 1 cm (0.39 in)) to large (greater than 1 meter (3.3 ft)) cavity features that develop in either natural or manmade, vertical to steeply sloping, exposures of granular rock (i.e., granite, sandstone) with smooth concave walls, and often round rims and openings. Recognized subcategories of tafoni include honeycomb, stonelace, alveolar (less than 2 cm (0.79 in)), sidewall, basal, nested, and relic tafoni. It is also commonly synonymous with nido d’ape roccioso in Italian.[1]
The etymology of the word tafoni is unclear. Tafoni may come from the Greek word taphos, tomb, or it may stem from a Corsican or Sicilian word for holes, taffoni, or from tafonare meaning to perforate. The earliest known publication of the term tafoni was in 1882.[1][2]
- ^ a b Paradise, T.R., 2013. Tafoni and other rock basins. In: Shroder, J. (Editor in Chief), Pope, G.A., (Ed.), Treatise on Geomorphology. Academic Press, San Diego, CA, vol. 4, Weathering and Soils Geomorphology, pp.111–126.
- ^ Hans Henrik Reusch (1882) Notes sur la géologie de la Corse (Notes on the geology of Corsica), Bulletin de la Société géologique de France, 3rd series, 11 : 53-67 ; see p. 65. From p. 65: "Le peuple appelle ces cavités, quand elles sont petites, des tafoni ; quand elles sont grandes, des grotte." (People call these cavities, when they're small, tafoni ; when they're large, caves.)