Tuesday 3 March 2015

Silver Mining – Documentary Films


Silver is located in native kind quite rarely as nuggets, however much more often combined with sulfur, arsenic, chlorine, or antimony and in numerous ores such as argentite (Ag2S), chlorargyrite ( horn silver, AgCl), as well as galena (a lead ore usually having substantial quantities of silver). As silver is usually discovered together with these or [ ]
http://worldgeographicchannel.com/silver-mining-documentary-films/

No comments:

Post a Comment