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Sixty-two percent of patients with a lung disease caused by dust inhalation come from the coal mining industry, and its death toll far outnumbers those in mining accidents, highlighting a significant danger to miners’ health, a report released on Friday said……….
THE Port of Townsville is on the verge of releasing the results of an independent review of a study which found potentially toxic dust in four inner Townsville playgrounds. Read more……..
“Limestone” means any rock formed mostly of calcium carbonate (CaCO3), but to geologists, limestone is only one of several types of “carbonate rocks.” These rocks are composed of more than 50% carbonate minerals, generally the minerals calcite (pure CaCO3) ordolomite (calcium-magnesium carbonate, CaMg[CO3]2) or both. (More……..)