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How eluvial process determines the colour of E horizon lighter compared to O horizon?

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closed as unclear what you're asking by daniel.neumann, bon, Etienne Godin, arkaia, Fred Jan 26 '18 at 0:35

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ Possible duplicate of What is the difference between eluvium and alluvium? $\endgroup$ – arkaia Jan 25 '18 at 22:21
  • $\begingroup$ What do E and O stand for? Maybe we can try to help make clearer what you're asking. $\endgroup$ – JeopardyTempest Jan 26 '18 at 7:08
  • $\begingroup$ @SudheerMuthusamy Question is on topic AFAIK but the way you have written it makes it unclear. If you can clarify what those terms mean and adding a few references I (and maybe others) can reopen the question $\endgroup$ – gansub Jan 27 '18 at 9:45
  • $\begingroup$ The designations of soil horizons as E and O are standardized in several classification systems but it would help to define them. The eluvial horizon, or E horizon, occurs in some soils where strong leaching of clay minerals, oxides, and organic material leaves pale colored mineral grains. The O horizon is the uppermost layer containing large amounts of organic matter so it is dark. The Wikipedia "Soil Horizon" article is pretty good. $\endgroup$ – haresfur Jan 29 '18 at 2:49

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