At the plant of the Consolidated Murchison Co. in the Transvaal,South Africa, where a refractoryhigh-antimony gold oreis being treated, flotation and cyanidation of the flotation concentrates and tailings are being practiced. The association of theantimony and goldis very intimate, and during 1946, while theantimonyrecovery amounted to 70.6 per cent, only 62.7 per cent of the containedgoldwas extracted.