Evolution of ultrapotassic volcanism on the Kaapvaal craton: deepening the orangeite versus lamproite debate

Orangeites are a significant source of diamonds, yet ambiguity surrounds their status among groups of mantle-derived potassic rocks. This study reports mineralogical and geochemical data for a c. 140 Ma orangeite dyke swarm that intersects the Bushveld Complex on the Kaapvaal craton in South Africa....

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Veröffentlicht in:	Geological Society special publication 2022, Vol.513 (1), p.17-44
Hauptverfasser:	Tappe, Sebastian, Shaikh, Azhar M., Wilson, Allan H., Stracke, Andreas
Format:	Artikel
Sprache:	eng
Schlagworte:	Geofag: 450 Geosciences: 450 Magmatic studies Matematikk og Naturvitenskap: 400 Mathematics and natural science: 400 Mineral and ore deposits VDP
Online-Zugang:	Volltext
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