Platform (geology)
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Geologic provinces of the world (USGS)
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Platform
Extended crust
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Oceanic crust:
0–20 Ma
20–65 Ma
>65 Ma
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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.
See also [edit]
References [edit]
- Parker, Sybil P. (Ed.). 1997. McGraw-Hill Dictionary of Geology and Mineralogy. New York: McGraw-Hill.
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