Points, lines, polygons, and attributes representing the geology of the area covered by NTS map 95C/7 in southeastern Yukon Territory, Canada. Geological stations were positioned using uncorrected GPS NAD27 coordinates. Coordinates were transformed to NAD83 using NTV2 software and compilation was based on the positions of the stations. Prior to compilation the base map data was converted from metric to Imperial values in ArcInfo 8.2 using a conversion factor of 0.3048. This conversion achieved consistency with Geomatics Canada hardcopy maps used during field data collection and which were available only in Imperial units. Khudoley, A.K. 2002: Geology of the Brown Lake map area (95C/7), Yukon Territory, Geological Survey of Canada, Open File map 4267, scale 1:50 000. The accuracy of the source components that originated in the Geomatics Canada digital files, and the geological source data digital files was maintained. using an older topographic base, and feature positions determined by more recent (GPS) measurements. Inconsistencies (locally in excess of 100 metres) have been resolved by creating a thematically consistent map (consistency between geology and topography) while maintaining the spatial accuracy of the outcrops (where located by GPS points). This may result in apparent errors between the outcrop locations, and the positions of the geological contact lines. Every effort has been made to reduce these discrepancies while maintaining the accuracy of all source data. The Geomatics Canada Drawing Exchange Format (DXF) files were uploaded to MicroStation/J on a Windows2000 operating system. Geological linework was digitized using MicroStation/J. Geological points were plotted by interfacing MicroStation/J and a Microsoft Access2000 database. All data were edited and finalized in ArcInfo 8.2. All data file types were created from ArcInfo 8.2. Attributes are defined here as the column names of the tables contained both in the ArcInfo Exchange Format (E00) and SHAPE dBase (.dbf) files. subtype Subdivision of the feature type. Examples: normal, approximate direction Directional information pertaining to asymmetric features. Process Description: Structure Query Language scripts were used to organize the relevant data from various MS Access2000 tables into one table Produced: table srp95c7 Process Description: Interfaced MS Access2000 and MicroStation/J utilizing ODBC driver. Plotted strike/dip symbols and identifiers utilizing custom BASIC programs. Process Description: in ArcView 3.2 TABLES used 'add' to import the srp95c7.dbf table and with VIEW 'add event theme' Table: srp95c7.dbf Process Step: Created ArcInfo 8.2 coverage from srp95c7 SHAPEFILES Process Description: used ArcInfo ArcToolbox conversion utility Process Description: used Government of Canada Geological Mapping System v. 2.1 Customized software for deprojection process Process Step: Created ArcInfo 8.2 EXPORT file from coverage srp95c7 Process Description: used ArcInfo ArcToolbox conversion utility Process Description: Structure Query Language scripts were used to organize the relevant data from various MS Access2000 tables into one table Produced: table stp95c7 Process Description: in ArcView 3.2 TABLES used 'add' to import the stp95c7.dbf table and with VIEW 'add event theme' Table: stp95c7.dbf Process Step: Created ArcInfo 8.2 coverage from stp95c7 SHAPEFILES Process Description: used ArcInfo ArcToolbox conversion utility Process Description: used Government of Canada Geological Mapping System v. 2.1 Customized software for deprojection process Process Step: Created ArcInfo 8.2 EXPORT file from coverage stp95c7 Process Description: used ArcInfo ArcToolbox conversion utility Process Description: used Government of Canada Geological Mapping System v. 2.1 Customized software for the deprojection process Process Step: Created ArcInfo 8.2 EXPORT file from coverage gel95c7 Process Description: used ArcInfo ArcToolbox conversion utility Process Description: used Government of Canada Geological Mapping System v. 2.1 customized software for deprojection process Process Step: Created ArcInfo 8.2 EXPORT file from una95c7 coverage Process Description: used ArcInfo ArcToolbox conversion utility Source.


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Last Modified: April 18, 2016 @ 9:10 pm