Prospecting (2.03)
Prospecting -- the precursor to mining -- can be difficult and tedious labor for the prospectors, as they sample the gravel in river beds in the jungles of South America, or dig holes in the deserts of the Kalahari. With modern day technology, much of the locating process can be done with radar, electromagnetic mapping, aerial photography, and core samples.
New methods for tracking sources of diamonds.
Courtesy of: geologyin.com