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Geochemistry in GPS

Geochemistry is the study of the chemical and structural composition and evolution of Earth and its component parts, including the atmosphere, hydrosphere, crust, mantle, and core, as well as extraterrestrial matter, such as meteorites and comets, other planets, the sun, and distant stars. It concerns itself with the distribution and migration of elements within the Earth and its atmosphere. Over time, geochemistry has evolved from a descriptive science to one increasingly concerned with the mechanisms behind its observations.