This is almost the same way I hunt minerals, excepting I use LANDSAT and ASTER data overlaid with MRDS records, USGS geological units, Public Land Survey System

This is almost the same way I hunt minerals, excepting I use LANDSAT and ASTER data overlaid with MRDS records, USGS geological units, Public Land Survey System, magnetic anomalies and gravity anomalies. Last weekend I found a major agate deposit, very gorgeous white agate mixed with amethyst. I'm the maintainer of the Google Earth LANDSAT and ASTER data access. Unofficially, the actual maintainer no longer works with the USGS so I've taken it upon myself to keep the dataset available and up to date.