Geochemical background--concept and reality.

  title={Geochemical background--concept and reality.},
  author={Clemens Reimann and Robert G. Garrett},
  journal={The Science of the total environment},
  volume={350 1-3},
The definitions and use of the term 'background' in exploration and environmental geochemistry are reviewed. Based on data from two subcontinental-scale geochemical mapping projects, it is shown that trying to define 'a background' for a large area is fraught with problems. It is demonstrated that background may change from area to area within a region and between regions. Although global averages are of general use, no specific global background levels of elements, for example in soils, can be… CONTINUE READING

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