Photos of gold ores, quartz, telluride gold ore and gold specimensExamine photos of natural gold ores and telluride gold specimens mined . The ore consists of silicified rock that often was originally some sort of limy shale. . The gold is mostly concentrated around the edges of dark colored spots of iron oxide .. Please note these specimens are not for sale, most are not owned by me.black shale gold telluride for sale,Wisconsin Geological & Natural History Survey » GoldDANE COUNTY: Placer gold can reportedly be panned along Black Earth Creek near Cross Plains (Maslowski, 1985). . The gold apparently formed by the alteration of the gold telluride, calaverite (Falster, 1987) . glacial drift deposit resting unconformably on Cambrian shales along the St. . Map Sales | Customer Service.
black shale gold telluride for sale