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The Pilanesberg Complex (South Africa) is one of the world's largest but least studied alkaline complexes. It consists of trachytes, phonolites, syenites and nepheline syenites (foyaites) and the preservation of the volcanic carapace makes it unique among the larger alkaline complexes. The intrusive history of the Pilanesberg Complex shows similarities to the Greenland Kangerlussuaq Intrusion, and...
We present mercury concentrations for layered mafic rocks of the Bushveld Complex, the Skaergaard Intrusion, MORB and a Karoo dolerite sill as determined by combustion atomic absorption spectroscopy (combustion-AAS) with gold amalgamation pre-concentration. Mercury in the Bushveld Complex and the Skaergaard Intrusion is generally low, with about 1.1 and 0.8ppb Hg on average, respectively. The Karoo...
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