Plinthosols are iron-rich soils characterized by the presence of plinthite, petroplinthite or pisoliths.
| Plinthosols | |
|---|---|
| Groundwater Laterite, Plinthaquox (USDA) | |
 | |
| Used in | WRB |
| WRB code | PT |
| Key process | Accumulation of Fe under hydromorphic conditions |
| Parent material | basic rock, Fe |
| Climate | wet tropics |
Distribution
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Softer plinthosols are common in the wet tropics, including in the eastern Amazon basin, the central Congo Basin and parts of Southeast Asia. Dryer areas, including the Sudano-Sahelian zone, Southern African savannah, the Indian subcontinent, and parts of Southeast Asia and northern Australia feature mostly harder pisoliths and petroplinthite.
See also
edit- Laterite – Product of rock weathering in wet tropical climates rich in iron and aluminium
References
edit- IUSS Working Group WRB: World Reference Base for Soil Resources, fourth edition. International Union of Soil Sciences, Vienna 2022. ISBN 979-8-9862451-1-9 ([1]).
Further reading
edit- W. Zech, P. Schad, G. Hintermaier-Erhard: Soils of the World. Springer, Berlin 2022, Chapter 10.3.2. ISBN 978-3-540-30460-9
External links
edit- profile photos (with classification) WRB homepage
- Profile photos (with classification) IUSS World of Soils
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