Minerals Limestone Silica Sand Gypsum And Marble
Silica Sand Mining In Jamaica. Silica sand kilo tonnes, limestone million tonnes, gypsum million tonnes, Marble 100 tonnes, Sand and Gravel million tonnes, Marl and Fill million tonnes. Since 2005 pozollan, a volcanic material used in the production of Portland cement, has been added to the list of industrial minerals that are mined in.