Nisling River Aeromagnetic Survey First Vertical Derivative, Yukon 2011

Goldak Airborne Surveys collected 37,999 line kilometres of high-resolution magnetic data for the Geological Survey of Canada between January 25th and March 26th, 2011. The survey covered the Nisling River area (NTS 115 G/13) in Yukon, flown with 400 m traverse line spacing and 100 m nominal terrain clearance. Data were recorded digitally using cesium vapour magnetometers and differential GPS.

Use Cases

• Map subsurface geological structures based on processed magnetic field derivatives.
• Support mineral exploration targeting based on high-resolution aeromagnetic anomalies.
• Integrate with other geophysical datasets for regional geological interpretation.
• Calibrate ground-based magnetic surveys using the described Overhauser magnetometer base station data.

Strengths

• 37,999 line kilometres of high-resolution magnetic data provide dense spatial coverage.
• Survey used high-sensitivity equipment including three cesium vapour magnetometers and differential GPS.
• Specific flight parameters are documented, including 400 m line spacing and 100 m terrain clearance.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Data freshness should be verified; the last metadata update was 2026-05-20 15:42:27.446037.

Provenance

Source

Geological Survey of Canada (GSC), collected by Goldak Airborne Surveys.

Collection Method

High-sensitivity aeromagnetic survey flown by fixed-wing aircraft.

Time Range

January 25 to March 26, 2011.

Geography

Nisling River Area, part of NTS 115 G/13, Yukon, Canada.