Open File LAB/1756

Compilation of Airborne Survey Data for the Qipuqqaq-Postville Area, Labrador (Parts of NTS 13J, 13K, 13N and 13O)

D. Oneschuk (GSC), G. Kilfoil (GSNL) and N. Hayward (GSC)

This joint Open File has been released by the Geological Survey Division (Newfoundland and Labrador Department of Natural Resources) and the Geological Survey of Canada (Natural Resources Canada).

Digital magnetic and radiometric data from adjacent, and often overlapping, high-resolution surveys flown by mineral exploration companies within Labrador’s Central Mineral Belt were mutually levelled and merged in this compilation. The composite magnetic results were subsequently merged with regional aeromagnetic data, available from the Geological Survey of Canada’s Geophysical Data Repository.

This airborne survey compilation project was carried out under Phase 4 of the Targeted Geoscience Initiative (TGI-IV) Program of the Lands and Minerals Sector, Natural Resources Canada. The publication of this information was undertaken by the Geological Survey of Canada, and represents part of a joint geoscience program with the Geological Survey Division, Newfoundland and Labrador Department of Natural Resources.

This release comprises six 1:200 000-scale maps covering a portion of east-central Labrador. Results are presented as two (2) magnetic, and four (4) radiometric, full-colour maps in pdf format, available below or from Natural Resources Canada – GEOSCAN.

Note: all links below are PDFs and will open in a new window.

Magnetic Maps

  • Map 2019-11 Residual Total Magnetic Field (70 MB)
  • Map 2019-12 First Vertical Derivative of the Magnetic Field (140 MB)

Radiometric Maps

Composite merged grids and GIS-ready data layers can be downloaded from the Natural Resources Canada’s Geoscience Data Repository for Aeromagnetic Data
on the NRCan website or from the Geological Survey Division’s online Geoscience Atlas at

https://www.geosurv.gov.nl.ca/airborne/disp_airborne.asp?SURVEY_ID=DL09910
.

Adobe® Acrobat® Reader software can be used for viewing PDF documents. Download Acrobat® Reader for free.