Platform (geology)

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Image:World geologic provinces.jpg
World geologic provinces (USGS)
Oceanic crust      0-20 Ma      20-65 Ma      >65 Ma Geologic province      Shield      Platform      Orogen      Basin      Large igneous province      Extended crust

In geology, a platform is a continental area covered by relatively flat or gently tilted, mainly sedimentary strata, which overlie a basement of consolidated igneous or metamorphic rocks of an earlier deformation. Platforms, shields and the basement rocks together constitute cratons.

[edit] See also

[edit] References

Parker, Sybil P. (Ed.). 1997. McGraw-Hill Dictionary of Geology and Mineralogy. New York: McGraw-Hill.

et:Platvorm (geoloogia)
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