Online link | https://geo-nsdi.er.usgs.gov/metadata/open-file/00-376/metadata.faq.html |
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Description | This digital map database, largely compiled from new mapping by the authors, represents the general distribution of bedrock and surficial deposits of the Roseburg 30 x 60 minute quadrangle along the southeastern margin of the Oregon Coast Range and its te |
Originators | Wells, Ray E.; Jayko, Angela S.; Niem, A. R.; Black, G.; Wiley, T.; Baldwin, E.; Molenaar, K. M.; Wheeler, Karen L.; DuRoss, C. B.; and Givler, R. W. |
Publication | U.S. Geological Survey Open-File Report 00-376 |
The digital database for the Surficial geologic map of The Loop and Druid Arch quadrangles, Canyonlands National Park, Utah includes three geospatial datasets as ARC/INFO coverages: cany_poly (geology), cany_point (sinkholes), and cany_anno (annotation). Geospatial entities in ARC/INFO coverages have the following software-defined attributes: <cover>.pat contains AREA, PERIMETER, COVER#, and COVER-ID; <cover>.aat contains FNODE#, TNODE#, LPOLY#, RPOLY#, LENGTH, COVER#, and COVER-ID. User-defined attributes are described in detail below. (1) The coverage cany_poly includes the following feature attribute tables: (a) a polygon feature attribute table (cany_poly.pat) that describes the geospatial distribution of geologic units represented in the Postscript(.eps) and Portable Document Format (.pdf) plotfiles of the map; (b) an arc feature attribute table (cany_poly.aat) that describes the contacts and linear features that bound rock-unit polygons. (2) The coverage cany_point includes a point feature attribute table (control.pat) that describes the geospatial distribution of sinkholes. (3) The coverage cany_anno includes two annotation feature attribute tables: (a)(cany_anno.tatunit) containing unit labels derived from the coded item PTYPE in cany_poly and (b)(cany_anno.tatstructure) containing fault separation values. An arc feature attribute table (cany_anno.aat) contains leaders from the unit annotation to the related polygon.
http://geo-nsdi.er.usgs.gov/metadata/map-mf/2411/unit_descriptions.txt
Polygon attribute table of coverage
Label | Definition |
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PTYPE | Geologic map unit label. Plain text is substituted for conventional geologic age symbols (PP for Pennsylvanian) shown on map |
PTYPE2 | Geologic map unit label. Underlying unit, with thin veneer of PTYPE on top. |
PTYPE3 | Geologic map unit label. Underlying unit, with thin veneer of PTYPE and PTYPE2 on top. |
PTYPE4 | Geologic map unit label. Composite unit, indicated with slashes |
Arc attribute table of coverage
Label | Definition |
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LTYPE | Type of geologic or geographic feature denoted by a line in the database. |
PTTYPE | Arcmarker point type |
Point attribute table of coverage
Label | Definition |
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PTTYPE | Point type. |