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Technical Information

The Kalclay deposit has the ability to support a large lightweight expanded clay aggregate production, suitable to supply a large range of industrial, construction and agricultural needs far into the future.

This deposit is of a deeply weathered outer deltaic mudstone of Archean age, block faulted and vertically folded. Drilling exposure has shown an upper layer of kaolinite averaging 50 meters thick with an underlying grey clay progressively getting harder with depth, The R.A.B drilling stopped at about 100 meters with the harder mud stone continuing to unknown depths.

Drilling and extensive bead tests has established a LECA resource in excess of one hundred million tonnes open to depth and a potential kaolin resource of about twelve million tonnes within the upper lateritic alteration zone.

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