A bund consists of: an impervious bund wall or embankment surrounding the facility or tanks. an impervious floor within the bunded area. any joints in the floor or the wall, or between the floor and the wall.
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Untreated Rough Turquoise from Stone Mountain Mine Quicklinks: Blue turquoise - Green turquoise - Turquoise nuggets - Turquoise slabs - Turquoise chips * All of the rough turquoise you see here is from Stone Mountain Mine. The Stone Mountain deposit has many interesting geological traits. The area has a large variety of mineral combinations that are sometime visible on the surface rocks. The turquoise formed in an area with a high percentage of Limonite a mineral formed by the presence of iron.