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8 Stellenberg Ave., Stelenbosch, South Africa
Iron content of the manganese sesquioxides as an indication of the temperature of formation of the ores in various localities. Temperatures of formation, Postmasburg Field and Kalahari Field, lateral zoning. Manganese ores in both fields were precipitated by solutions which moved from west to east. The main mineralization episode dates from the Proterozoic Era.--Modified journal abstract.
This record provided courtesy of AGI/GeoRef.
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