British Geological Survey |
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British Geological Survey (unverified)
Contact information:
Keith Westhead
British Geological Survey
British Geological Survey, Murchison House, EH9 3LA Edinburgh, United Kingdom
Email:
Phone: +44 (0)131 667 1000
The 1:625k DiGMap data covering the whole of the United Kingdom is available in this OGC WFS service for all uses - including commercial use subject to the conditions in the Access Constraints section. It is being served as a contribution to the OneGeology initiative(www.onegeology.org). The data is returned in GeoSciML v3 format using IUGS-CGI dictionary values in most cases where applicable. For information about more of the British Geological Survey's maps that are available digitally please visit http://www.bgs.ac.uk/products/digitalmaps/digmapgb.html
MappedFeature (gsml:MappedFeature)
A MappedFeature is part of a geological interpretation. It provides a link between a notional feature (description package) and one spatial representation of it, or part of it. (Exposures, Surface Traces and Intercepts, etc) * the specific bounded occurrence, such as an outcrop or map polygon * the Mapped Feature carries a geometry or shape - the association with a Geologic Feature (legend item) provides specification of all the other descriptors - the association with a Sampling Feature provides the context and dimensionality A Mapped Feature is always associated with some sampling feature - e.g. a mapping surface, a section, a Borehole (see BoreHolesAndObservation) etc. As noted on the diagram, if the associated sampling feature is a Borehole, then the shape associated with the MappedFeature will usually be either a point or an interval. This reconciles the 2-D ("map", section) and 1-D (borehole, traverse) viewpoints in a common abstraction.
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