# Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services, Division: Values for the code list MappingFrameValue

Extent: E+W+S+N.I.

Value
Name
Definition
baseOfQuaternary
base of quaternary
Base of the predominantely unconsolidated sedimentary material of Quaternary age.
surfaceGeology
surface geology
Bedrock and superficial deposits that would be visible if the overlying soil was removed or are exposed at the topographic surface.
topOfBasement
top of basement
The surface in the crust of the Earth below sedimentary or volcanic deposits, or tectonically transported rock unit.
topOfBedrock
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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Source: https://www.legislation.gov.uk/eur/2010/1089/annex/III/division/4/division/4.2/division/4.2.3/division/4.2.3.13/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-1089/annex-III/division-4/division-4.2/division-4.2.3/division-4.2.3.13/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.