World Gold 2013 is calling for submissions under the following main topics: Exploration, mining and processing of gold-containing ores Particular challenges of complex gold ores including those that are poly-metallic Mine to market concept Improved production and development costs (efficiencies, productivity, people) Living and dealing with uncertainty across the gold industry Reliable Water, energy and labour at an affordable cost Corporate knowledge in a rapidly changing workforce Region specific challenges facing the gold mining industry Social aspects of gold mining on communities Resource and Reserve Estimation