Specialist in the testing, assessment, quarrying and supply of granite, marble, sandstone and aggregate. Investigating problems related to stone. Instituting quality control procedures on imported stone. Assessing quarries and processing plants overseas used in the supply of stone to Australia. Establishing quarries. State-of-the-art petrographic assessment and photomicrography of stone, rock and ores. Geological project evaluation. Clay analysis by X-ray diffraction.