Mapping Frame
http://inspire.ec.europa.eu/codelist/MappingFrameValue
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base of quaternary
Base of the predominantely unconsolidated sedimentary material of Quaternary age.
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surface geology
Bedrock and superficial deposits that would be visible if the overlying soil was removed or are exposed at the topographic surface.
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top of basement
The surface in the crust of the Earth below sedimentary or volcanic deposits, or tectonically transported rock unit.
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top of bedrock
Top surface of the usually solid rock that may either be exposed at the topographic surface or covered by other unconsolidated deposits.
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