duripan


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duripan

[′du̇r·ə‚pan]
(geology)
A horizon in mineral soil characterized by cementation by silica.
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References in periodicals archive ?
Older soils generally tend to be more complex and show more extensive duripan (caliche) development and clayrich B-horizons (Othberg, 1994).
Moreau AMSDS, Costa LMD, Ker JC, Gomes FH (2006) Genesis of hardened horizons, fragipan and duripan in soils of the coastal tablelands of south Bahia.
duripans, fragipans and cohesive layers) often recorded in soils formed from the Barriers Group may have, in fact, a sedimentary origin rather than a pedogenetic one.