White-eye (soil)

White-eye is white soil with lime nodules, which is non-stratified, geologically recent deposits of silty or loamy material, deposited by the wind and cemented together with calcium carbonate[1] concretions.

White soil deposits with lime nodules are found in the illuvial horizons of soils that formed on loess and loess-like loams. In the soil profile, the nodules stand out as bright spots with a clear and rounded shape. The size of spots is 1–2 cm in diameter, which is comparable to the size of an eye, and, more specifically, to that of the species of birds known as White-eye. Thus, the name "White-eye" for loess with lime nodules may have been derived from their comparison to these birds. Unlike other forms of carbonate nodules, which are often found in more solid rock, loess deposits with lime nodules are soft and crumbly,[2] or loose. The German word for loose is loess;[1] it was first used in about 1823 in reference to the Rhine River loess.

The word "White-eye" is sometimes used as a synonym for loess loam. This is due to the presence of calcareous nodules in the loess which are white/whitish-grey and stand out against the light yellow color of the loess sediments.

See also

References

  1. ^ a b Encyclopædia Britannica, Entry for Loess
  2. ^ Secondary carbonates // World Reference Base for Soil Resources

Content Disclaimer

Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.

  1. The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
  2. There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
  3. It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
  4. Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
  5. Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.