Show gilsonite ore production Is latest mining venture gilsonite one of the newest and most rapidly expanding mining products is contributing to income as the raw material is found in that state in quantities large enough to be of commercial value mining leaders report five companies operate mines and refineries in the state to handle the hard dried oil ore it is a black shiny tar like substance which is used in the manufacture of products such as paints lacquers varnishes rubber battery boxes roofing materials phonograph records printers inks tires floor and linoleum compositions and road materials most recently found use of the rare product is that of making cores facings and molds in foundries As new uses are found for gilsonite produced in quantity only in utah the new industry will expand Gilso are classified as selects melting points from degrees ana up and seconds melting points from degrees to degrees |