Remote Sensing Overview

Earth observation satellites are widely used in exploration geology and are divided into two broad categories: passive systems and active systems. Passive systems detect electromagnetic radiation that is naturally reflected from the Earth's surface, while active systems transmit their own radiation and record the amount of energy reflected back to its sensors. Remote sensing imagery is commonly used for mapping exposed structures in highly deformed terrains, the detection of buried and obscured structures in low relief areas, as well as detailed mapping of fault and fracture systems in all types of environments. The analysis of remote sensing data is always complimented with the interpretation of other available data sets, such as potential field (gravity and aeromagnetic), well information and seismic data.

RADARSAT-1 mosaic of Canada