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pedogenesis
(redirected from Pedogenic)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
pedogenesis [¦ped·ō′jen·ə·səs]
(geology)


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Clay Content and Clay Mineralogy The clay content of a soil may originate from parent material, from surface influx, and/or by pedogenic processes, such as weathering and translocation within the soil profile.
The pedogenic soils are composed of approximately 90% kaolinite and up to 10% calcite with traces of illite and crystalline quartz.
Tithionite-extractable (total pedogenic nonsiliceous) iron, oxalate-extractable amorphous iron, aluminium, and silica were measured after Coffin and Tamm, respectively; iron activity was calculated after Schwertmann (van Ranst et al.
 
 
 
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