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This scheme specifies concepts used to categorize types of Geologic Unit, as defined by the IUGS Commission for Geoscience Information (CGI) Geoscience Terminology Working Group. By extension, it includes all concepts in this conceptScheme, as well as concepts in any previous versions of the scheme. Unit types are differentiated based on their defining lithological, stratigraphic, or other physical properties.
Geologic Unit Type - All Concepts