Alteration areas based on ASTER images for Mineral Exploration

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7,995 USD

More than 600 ASTER images processed to cover strategic Exploration zones of Chile.

There isn't any other product like this on the market.

Next release: PERU and MEXICO

The Product

Alteration example
The Alteration Layers are provided in vector format showing polygons for each of the 3 alterations.

Formats: .shp (ArcGIS/QGIS) and a .kml (Google Earth).

Coordinate System: UTM WGS84 Zone 19 South

Background images are not included since there are better alternatives on which you can overlay this information.

View sample…

The Process

Aster processed images were selected prior to 2008 before the SWIR sensor was damaged.
Clouds, Vegetation, Water and Snow were masked.

Alunite layer may includes some Pyrophillite and Dickite.
Sericite may include some illite and Kaolinite.
The Undifferentiated layer shows true alteration but residual information when it was not possible to identified if it was Alunite or Sericite.

Accuracy for all 3 layers are estimated to be higher than 85%

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