r525 OCCURRENCE AND DISTRIBUTION OF INVISIBLE GOLD IN .Keywords: occurrence, distribution, gold, invisible gold, clay minerals, goethite, electron-probe . lite, kaolinite, goethite, quartz, and oxides of Fe and Mn.occurance of gold in kaolin clay,Occurrence and distribution of invisible gold in a Carlin-type . - RRuffOccurrence and distribution of invisible gold in a Carlin-type gold deposit in China. Snur He Mno . It is shown that more than 600/o of the Au given by chemical assay of clay minerals .. common minerals present arc qvartz, illite, kaolinite, cal-.
occurance of gold in kaolin clay