{{short description|Geological term}} {{for-multi|the village in Iran|Kankar, Iran|the TV series|Kankar (TV series)}}
'''Kankar''' or (kunkur) is a sedimentological term derived from Hindi (and ultimately Sanskrit) which is occasionally applied in both India<ref>{{Cite web|url=https://dmg.kerala.gov.in/mineral-resources/|title=Mineral Resources – Department of Mining and Geology}}</ref> and the United States to detrital or residual rolled, often nodular calcium carbonate formed in soils of semi-arid regions.<ref>{{Cite web|url=https://www.rekhtadictionary.com/meaning-of-kankar|title=Meaning of kankar in English|website=Rekhta Dictionary}}</ref> It is used in the making of lime and of roads.<ref>{{Cite web|url=https://cementconcrete.org/buildings/building-materials/lime-properties-uses-construction/3697/|title=Lime for Building: Properties, uses, tests, advantages in construction|date=August 24, 2022}}</ref> It forms sheets across alluvial plains, and can occur as discontinuous lines of nodular kankar or as indurated layers in stratigraphic profiles. Such are more generally referred to as calcrete, hardpan or duricrust.
==See also== * Caliche (mineral)
<gallery> Image:Kankar_sheet.jpg|Recent kankar sheet on Hookina Floodplain, South Australia Image:Kankar_channel_fill.jpg|Late Pleistocene kankar channel fill and lines in riverbank section of Hookina Floodplain, South Australia </gallery>
==References== {{Reflist}} Category:Sedimentology