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Location: 51 km E from Streaky Bay, South Australia, Australia
Level 10, 431 King William StreetAdelaideSouth Australia, Australia5000
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The Great White Project deposit is a naturally high purity, bright white kaolin with low levels of impurities, specifically Fe2O3.The Project has highly valued kaolinite and halloysite mineral deposits with a world-class iron to alumina ratio2, outstanding mechanical strength, exceptional fired brightness, and distinctive rheological properties.The orebody is predominantly quartz sands (~ 45 % - 55 %) and clay (~45 % - 55 % kaolinite and halloysite).The kaolin is shallow lying and truncated at depth by a weathered granite.Kaolin deposits, such as Great White, developed in situ by lateritic weathering of the feldspar-rich Hiltaba Granite. The kaolin deposit at Great White is a sub-horizontal zone of kaolinised granite resting with a fairly sharp contact on unweathered granite. The kaolinised zone is overlain by loosely consolidated Tertiary and Quaternary sediments. The deposit covers an area 1.7km east-west by 1.7km north-south and has an average depth below surface is 23.9m with a range of 10m in the west to 46m in the east. The deposit has an average thickness of 9.4m with a maximum thickness of 23.9m and with extremities modelled down to 1m.The 34.6Mt of in-situ Bright White kaolinised granite yields 17.4Mt of minus 45 micron quality kaolin product.
