| - General - |
| Geofile: | NFLD/2942 |
| Companies: | Geological Survey of Canada; Geological Survey of Newfoundland and Labrador |
| Contractor: | Goldak Airborne Surveys |
| Survey Area: | Baie Verte Peninsula, Nfld. |
| NTS Areas: | 02E/11, 12, 13, 14; 02L/04; 12H/09, 10, 15, 16; 12I/01, 02 |
| Related Geofiles: | NFLD/2943 |
|
| - Survey Logistics - |
| Survey Date: | Mar. 10 to 31, 2007 |
| Block: | Baie Verte |
| Survey Extent: | 10450.10 line km; 2652.22 km Tie |
| Altitude: | Piper Navajo aircraft: 100 m |
| Line Spacing: | 250 m, Az: 120°; Ties: 1000 m, Az: 030° |
| Positioning: | GPS Navigation; vertically mounted video camera |
| Instrumentation: | Split-beam cesium vapour magnetometer |
| Data Recorded: | Total field mag |
| Comments: | IGRF for year 2007.22 and 300 m altitude removed from Total Field Mag data to yield residual; derived first vertical derivative. As of Jan. 7, 2008, the final data are available, as are final PDF Maps, Residual Total Magnetic Field (GSC Open Files 5631 to 5636; GSNL Open Files 02L/4/0013, 12I/01/0273, 02E/1490, 12H/16/1811, 12H/15/1812, NFLD/2950) and Calculated Vertical Gradient of the Magnetic Field (GSC Open Files 5625 to 5630; GSNL Open Files 02L/4/0012, 12I/01/0272, 02E/1489, 12H/16/1809, 12H/15/1810, NFLD/2949), at 1:50 000 scale. |
|
| - Digital Data - |
| Confidentiality Date: | June 14, 2007 |
| Grid Cell Size: | 50 m |
| Total Data Points: | 1706422 |
| Projection of Data: | NAD83, UTM Zone 21 |
| Data Comments: | Final copy of the digital data have been released Jan. 7, 2008. The maps supercede their preliminary versions, which were released in the Spring, 2007. |
| Links to Data: |
| Read-Me archive description |
| Interpolated grids, Geosoft format, NAD83 (10.7 Mb zip'd) |
| Profile archive, Geosoft database format (382 Mb zip'd) |
| Residual Magnetic Field Map - preliminary, PDF format (34.2 Mb) |
| First Vertical Derivative of Magnetic Field Map - preliminary, PDF format (49.7 Mb) |
| Residual Magnetic Field Map, 1:50,000 - NTS 02L/04, PDF format (7.9 Mb) |
| Residual Magnetic Field Map, 1:50,000 - NTS 12I/01, PDF format (11.4 Mb) |
| Residual Magnetic Field Map, 1:50,000 - NTS 02E/13, PDF format (21.5 Mb) |
| Residual Magnetic Field Map, 1:50,000 - NTS 12H/16, PDF format (21.1 Mb) |
| Residual Magnetic Field Map, 1:50,000 - NTS 12H/15, PDF format (17.4 Mb) |
| Residual Magnetic Field Map, 1:50,000 - NTS 12H/09, PDF format (24.4 Mb) |
| Calc. Vertical Gradient of Magnetic Field Map, 1:50,000 - NTS 02L/04, PDF format (8.4 Mb) |
| Calc. Vertical Gradient of Magnetic Field Map, 1:50,000 - NTS 12I/01, PDF format (12.4 Mb) |
| Calc. Vertical Gradient of Magnetic Field Map, 1:50,000 - NTS 02E/13, PDF format (24.0 Mb) |
| Calc. Vertical Gradient of Magnetic Field Map, 1:50,000 - NTS 12H/16, PDF format (23.4 Mb) |
| Calc. Vertical Gradient of Magnetic Field Map, 1:50,000 - NTS 12H/15, PDF format (18.0 Mb) |
| Calc. Vertical Gradient of Magnetic Field Map, 1:50,000 - NTS 12H/09, PDF format (25.6 Mb) |
|
| GIS Layers: |
|