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Ministry of Energy, Mines and Pertoleum Resources
The MapPlace - Jennings River Aeromagnetic Survey NTS 104O
(GBC Maps 2007-1-01 to 2007-1-16 and 2007-2-01 to 2007-2-16 / GSC OF 5351 - 5382)

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Details:  A Jennings River high-resolution aeromagnetic survey (NTS 104O) was completed in 2006. Funding for the survey was provided by Geoscience BC (Project 2005-059) and project management was undertaken by the Geological Survey of Canada. The survey was flown under contract by Goldak Airborne Surveys, Saskatoon. This map, in UTM Zone 9 projection, features 2 magnetic parameters, residual total magnetic field and first vertical derivative of the magnetic field. 

 

The map also displays geological mapping by Nelson et al., 2001 in the 104O/14E and 15 maps areas (see also Jennings River map in Albers projection).  The files are available for download in various formats.  Details of the aeromagnetic survey can be found in the Fieldwork 2006 article by Miles, W.F., Dumont, R. and Lowe, C.: Aeromagnetic Survey over the Jennings River Map Area, Northern BC (PDF document, 101 Kb).

View Jennings River Geophysics Map
Jennings River Geophysics Map 

Data for two magnetic parameters and geology shape files:

Aeromagnetic File Downloads Zip Files
Georeferenced Residual Total Magnetic field GeoTIFF image (UTM Zone 9 NAD 83) JR_rtf.tif.zip (1.1MB)
Georeferenced 1st Vertical Derivative of the magnetic field GeoTIFF image (UTM Zone 9 NAD 83) JR_vd1.tif.zip (1.6MB)
Georeferenced Residual Total Magnetic field - 100 m grid - Geosoft format (UTM Zone 9 NAD 83) JR_rtf.grd.zip (4.9MB)
Georeferenced 1st Vertical Derivative of the magnetic field - 100 m grid - Geosoft format (UTM Zone 9 NAD 83) JR_vd1.grd.zip (5.0MB)
Georeferenced Residual Total Magnetic field PNG files (UTM Zone 9 NAD 83) JR_rtf_utm9.zip (0.5MB)
Georeferenced Residual Total Magnetic field PNG files (Albers NAD 83) JR_rtf_alb.zip (0.8MB)
Georeferenced 1st Vertical Derivative of the magnetic field PNG files (UTM Zone 9 NAD 83) JR_vd1_utm9.zip (1.2MB)
Georeferenced 1st Vertical Derivative of the magnetic field PNG files (Albers NAD 83) JR_vd1_alb.zip (2.2MB)
Geology File Downloads

Zip Files

1:50K Scale Station Points, Features and Labels; Geology Lines, Polygons (stippled and solid) and Labels; Outcrops; and Eskers JR_geology_shp.zip (0.2MB)
Jennings River Geology 1:50K (42" x 32" plot from MapPlace) JR_geology.pdf (0.9 MB)
GBC Maps 2007-1-01 to 2007-1-16 and 2007-2-01 to 2007-2-16 / GSC OF 5351 - 5382 Final Product Release
Plot size PDF 1:50K, 1:250K

References

Dumont, R., Potvin, J. and Kiss, F. (2007): Residual total magnetic field, Jennings River Aeromagnetic Survey (NTS 104O/1-16), British Columbia; Geological Survey of Canada, Open Files 5351-5366 and Geoscience BC Maps 2007-1-01 to 2007-1-16, scale 1:50 000.

Dumont, R., Potvin, J. and Kiss, F. (2007): First vertical derivative of the magnetic field, Jennings River Aeromagnetic Survey (NTS 104O/1-16), British Columbia; Geological Survey of Canada, Open Files 5367-5382 and Geoscience BC Maps 2007-2-01to 2007-2-16, scale 1:50 000.

Gabrielse, H. (1969): Geology of Jennings River map area, British Columbia (104-O): Geological Survey of Canada, Paper 68-55, 37 p.

Mihalynuk, M. G., Nelson, J.L., Gleeson, T., Roots, C. and de Keijzer, M. (2000): Geology of Smart River Area 104O/13 (1:50,000 scale): British Columbia Ministry of Energy and Mines, Open File 2000-6.

Mihalynuk, M.G., Harms, T.A., Roots, C.F., Nelson, J.L., de Keijzer, M. Friedman, R.M. and Gleeson, T.P. (2001): Geology, Teh Creek map area, 104 O/12, British Columbia: British Columbia Ministry of Energy, Mines and Petroleum Resources, Open File 2001-17.

Miles, W.F., Dumont, R. and Lowe, C. (2007): Aeromagnetic Survey over the Jennings River Map Area (NTS 104O), Northern BC; in Geological Fieldwork 2006, British Columbia Ministry of Energy and Mines, Paper 2007-1 and Geoscience BC Report 2007-1, pp. 373-374.

Nelson, J.L. and Bradford, J.A. (1993): Geology of the Midway-Cassiar area, northern British Columbia (104O, P): British Columbia Ministry of Energy, Mines and Petroleum Resources, Bulletin 83, 94 p.

Nelson, J., Harms, T.A., Zantvoort, W., Gleeson, T. and Wahl, K. (2000): Geology of the southeastern Dorsey Terrrane, 104O/7, 8, 9, 10; British Columbia Ministry of Energy and Mines, Open File 2000-4.

Nelson, J.L., Harms, T.A., Roots, C.F., Friedman, R. and deKeijzer, M. (2001): Geology of north-central Jennings River map area, 104O/14E, 15; British Columbia Ministry of Energy and Mines, Open File 2001-6.

Nelson, J.L. (2001): Geology of North-Central Jennings River Map Area, 104O/14E,15, BC Ministry of Energy and Mines, Geological Survey Branch, Geological Fieldwork 2000, Paper 2001-1, pp. 51-66.

* * * FINAL PRODUCT RELEASE * * *

A joint publication of sixteen 1:50,000 total field magnetic anomaly and vertical derivative maps (GSC Open Files 5351-5382 and Geoscience BC Maps 2007-1-01 to 2007-1-16 and 2007-2-01 to 2007-2-16) were released on January 30, 2007.

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Additionally, the digital profile and gridded data are available on-line and at no cost via the Geoscience Data Repository for Aeromagnetic Data (http://gdr.nrcan.gc.ca/aeromag/index_e.php).

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Bitmap images and PDFs of the maps will be available on-line and at no cost via the Geoscience Data Repository’s MIRAGE application ( http://gdr.nrcan.gc.ca/mirage/index_e.php ).

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Bitmap images and gridded data sets are also available in the table above.  The data can also be viewed in the above Jennings River Geophysics MapPlace map.

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Metadata from GEOSCAN.

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An interpretation of the aeromagnetic data by Geological Survey of Canada will be undertaken and the findings will be published in Spring, 2007.

Publication Table
GSC Open File links to GEOSCAN metadata and GBC Map links to MIRAGE downloads in SID or PDF formats
NTS sheet Name
Residual total magnetic field
First vertical derivative of the magnetic field
GSC Open File Geoscience BC Map GSC Open File Geoscience BC Map
104-O/1 Ed Asp Lake 5351 2007-1-01 5367 2007-2-01
104-O/2 Tuya Lake 5352 2007-1-02 5368 2007-2-02
104-O/3 Nazcha Creek 5353 2007-1-03 5369 2007-2-03
104-O/4 Chismaina Lake 5354 2007-1-04 5370 2007-2-04
104-O/5 Hyland Lake 5355 2007-1-05 5371 2007-2-05
104-O/6 Tahoots Creek 5356 2007-1-06 5372 2007-2-06
104-O/7 Ash Creek 5357 2007-1-07 5373 2007-2-07
104-O/8 Maria Lake 5358 2007-1-08 5374 2007-2-08
104-O/9 Chromite Mountain 5359 2007-1-09 5375 2007-2-09
104-O/10 Jennings Lakes 5360 2007-1-10 5376 2007-2-10
104-O/11 Klinkit Lake 5361 2007-1-11 5377 2007-2-11
104-O/12 104-O/12 5362 2007-1-12 5378 2007-2-12
104-O/13 Smart River 5363 2007-1-13 5379 2007-2-13
104-O/14 Swan Lake 5364 2007-1-14 5380 2007-2-14
104-O/15 Plate Lake 5365 2007-1-15 5381 2007-2-15
104-O/16 104-O/16 5366 2007-1-16 5382 2007-2-16

Digital versions of these maps, corresponding digital profile and gridded data, and similar data for adjacent aeromagnetic surveys can be downloaded, at no charge, from Natural Resources Canada's Geoscience Data Repository or from Geoscience BC’s website www.geosciencebc.com . The same products are also available, for a fee, from the Geophysical Data Centre in Ottawa.