“…Since then, rock coatings have been used to find mineral deposits (Huelin et al, 2006;Robinson, 1983). Previous in-situ and laboratory experiments have successfully demonstrated the use of stream sediments, iron, and manganese oxide coated quartz pebbles, ceramic plates, or limonite chips as source location indicators of elements suitable for mining (Carpenter, 1975;Huelin et al, 2006;Tingley and Castor, 1999;Zumlot et al, 2009). These methods trace the location of mineralized deposits by analyzing the geochemistry of the substrate or pebble coatings in a stream and following the geochemical signal upstream.…”