This report presents detailed industry-derived statistics on the State's output and sales values of earth resource commodities realised during the six month period ended 31 December 2009, and compares the data with that returned for the previous six monthly period. The various specific commodities are broadly categorised under the headings of metallic minerals, energy, petroleum production, gems and semi-precious stones, opal production, industrial minerals and construction materials (the latter including dimension stone, quarry products, sand products and clay products). An additional table provides annual SA mineral resources production statistics, presented as total quantity and economic value, for the calendar year 2009.