File:NGMDB data model application.jpg
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Summary
| Description |
English: Figure 11. Simplified representation of the data model and its application to a typical, 2-D geologic map. The presence of a geologic unit on the map, referred to in the data model as an “occurrence” of that map unit, is described by: 1) its bounding contacts and faults, whose coordinates are stored as the unit’s “geometry”; and 2) its physical properties, which are stored as the unit’s “descriptors.” |
| Date | |
| Source | The National Geologic Map Database Project: Overview and Progress U.S. Geological Survey Open-File Report 03–471 |
| Author | David R. Soller1 and Thomas M. Berg |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:30, 9 October 2008 | | 550 × 399 (37 KB) | Mdd | == Summary == {{Information |Description={{en|1= Figure 11. Simplified representation of the data model and its application to a typical, 2-D geologic map. The presence of a geologic unit on the map, referred to in the data model as an “occurrence” of |
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