Geophysical Survey - Magnetic

Magnetic Surveying measures variations in the Earth's magnetic field generated by differences in sub-surface rock magnetic susceptability. Applications of magnetic surveys have a broad range of applications including geological, civil and archaeological.

Identifiable Features

The use of Magnetic Geophysical surveys is a widely used technique due to its speed of acquisition and lower cost. Magnetic Surveys can provide;

Palaeochannels containing tertiary basalt can be identified, extent mapped and an estimate of thickness obtained.
Delineate dyke, sill & massive intrusives.
Large scale basement fracture and fault systems that alter the basin floor can be mapped.
Smaller scale fracture and fault systems that cross magnetically inductive bodies, such as sills can be identified.
Magnetically inductive ore bodies can be easily identified.

GeoConsult Acquisition

Good start to exploration; low impact - easier land access, use of existing infrastructure, small team, relatively low cost & quick.
Provision of all field equipment, personnel and procedures to match the scale of the target.
Acquisition process from survey design, trial survey’s to field data collection processing & storage.
Latitude/Inclination adjustments to the geomagnetic field.
Di-urnal variation, geomagnetic, elevation & Terrain corrections.
Geophysical corrections and modelling.
Can be run in conjunction with gravity and TSIM surveying to increase interpretation reliability.
Professional reporting on nature of recorded magnetic anomalies.

GeoConsult provides a complete service from survey planning and design, access to the survey equipment, data acquisition, interpretation and professional reporting.

16 Magnetic Survey 20120223.pdf