Siliceous soil

Siliceous soils are formed from rocks that have silica (SiO2) as a principal constituent. The parent material of siliceous soils may include quartz sands, chert, quartzite, quartz reefs, granite, rhyolite, ademellite, dellenite, quartz sandstone, quartz siltstone, siliceous tuff, among others.[1] These parent materials sometimes originate from silica-secreting organisms such as radiolarians, diatoms, or some types of sponges.[2]

## Contents

* 1 Characteristics
* 2 Agriculture
* 3 See also
* 4 References

## Characteristics

Soils high in siliceous parent material typically have:[1]

* lower cation-exchange capacity,
* higher susceptibility to external sources of sodium,
* lower buffering potential,
* higher acidity, and
* higher erodibility

## Agriculture

Siliceous soils in vineyard soils have been linked to larger grapes with increased tannin content.[3][4]

## See also

* List of vineyard soil types

## References

1. ↑ 1.0 1.1 Gray, Jonathan; Murphy, Brian (2002). "Parent material and world soil distribution". World Congress of Soil Science. Thailand.
2. ↑ Schumann, Walter (1993). Handbook of Rocks, Minerals, and Gemstones. Houghton Mifflin Harcourt. ISBN 978-0395511374. https://books.google.com/books?id=tLTzSUV5FCIC.
3. ↑ Conte, M., Rossini, L., Tiberi, M., Montanari, A. (2006). Verdicchio dei Castelli di Jesi vs Verdicchio di Matelica: Geomorphological control of two white wines of the Marche region (northeastern Apennines, Italy). Bollettino Della Società Geologica Italiana E Del Servizio Geologico D'Italia, 6, 41-48.
4. ↑ Burns S. (2012) The Importance of Soil and Geology in Tasting Terroir with a Case History from the Willamette Valley, Oregon. In: Dougherty P. (Eds.), The Geography of Wine (pp. 95-108). Springer, Dordrecht.

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