Encyclopedia of Engineering Geology

2018 Edition
| Editors: Peter T. Bobrowsky, Brian Marker

Geochemistry

  • I. V. Galitskaya
  • E. P. Yanin
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-73568-9_133

Definition

The science of the chemical composition, chemical processes, and chemical evolution of the Earth.

The Earth consists of chemical elements that mainly formed before the existence of the Earth. During the formation and evolution of the planet and subsequent geological history, these have become redistributed and, in the case of radioactive elements, have partly transmuted into other elements. Initially, redistribution depended wholly on inorganic processes, but once living organisms appeared, they played an increasing part in geochemical processes on land and in surface and groundwater. In recent times, human activities have increasingly affected processes in the shallow Earth’s Crust, water, and the atmosphere. Therefore, geochemistry was initially focused on the geological past but has become increasingly important in respect to geological resources and environment protection. The theoretical basis of geochemistry is physical and chemical laws governing the behavior of...

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References

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • I. V. Galitskaya
    • 1
  • E. P. Yanin
    • 2
  1. 1.Sergeev Institute of Environmental Geoscience Russian Academy of Sciences (IEG RAS)MoscowRussia
  2. 2.Vernadsky Institute of Geochemistry and Analytical Chemistry of the RAS (GEOKHI RAS)MoscowRussia