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Constantiaberg Massif

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Journal Article
Published: 26 October 2020
South African Journal of Geology (2020) 123 (4): 493–510.
...A.M. Killick Abstract Manganese oxyhydroxide mineralization is widespread in the Constantiaberg Massif. It is largely hosted by west-northwest – east-southeast trending brittle structures in the competent Ordovician arenites of the Peninsula Formation of the Cape Supergroup. Manganese is also found...
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Ternary Si-Al-(Fe+Mn) mass plot for dykes from the <b>Constantiaberg</b> <b>Massif</b> wi...
Published: 26 October 2020
Figure 17. Ternary Si-Al-(Fe+Mn) mass plot for dykes from the Constantiaberg Massif with saprolite and mineralization from the Hout Bay deposit. The ideal mineral compositions for kaolinite and montmorillonite plot along the Si – Al edge of the diagram, whereas illite has a more variable
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Contoured st̶ereogram of poles (N = 917) to structures hosting Mn mineraliz...
Published: 26 October 2020
Figure 6. Contoured st̶ereogram of poles (N = 917) to structures hosting Mn mineralization in the Constantiaberg Massif. Contours are at 1.5% intervals.
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Simplified geological map showing the distribution of Mn occurrences with a...
Published: 26 October 2020
Figure 2. Simplified geological map showing the distribution of Mn occurrences with a width of 10 cm or more in the Constantiaberg Massif. Occurrences in fractures are shown with a red dot, those associated with dykes as a green dot and those with hydrothermal quartz as a black-rimmed purple dot