Recent trends in commercial remote sensing imagery point to increased spatial, spectral resolution, and agility of satellites. Satellites are now planned at 1foot pixel resolution allowing for new applications. The global capacity of satellites at these high spatial resolutions has signalled a new market for geological applications. Similarly, the number of spectral bands is evolving from traditional bands to specialized bands designed for specific applications. DigitalGlobe has recently announced that Worldview-3, the next generation satellite, will have 17 bands ranging from VNIR to SWIR region of the spectrum that are suited of variety of geological applications. These spectral bands can detect specific phenomenology of outcrops that are indicators of subsurface minerals. The advent of CMG’s allow for backward and forward scanning, allowing for unprecedented agility for collection of stereo imagery that can be used for creating elevation models. Several research papers show accuracy of DEM’s derived from satellite imagery are around 2 meters LE90. Combing the spectral capabilities of Worldview satellites with elevation models, can be indicators of outcrops for geological mapping. This papers talks about specific phenomenology that can be exploited for outcrop structural mapping from hi-res DEM and Worldview satellite imagery.


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